ERNESTO PLACIDI | Course catalogue

ERNESTO PLACIDI

Structure:

Dipartimento di FISICA

SSD:

PHYS-03/A

Profilo Research

Notizie

Il corso di Fisica 1 per Scienze Chimiche (Canale 4) inizierà il 27/02/2025 in aula II ed. Caglioti.

Si avvisano tutti gli studenti della ex-triennale di Chimica Industriale che nell' AA 24-25 dovranno sostenere l'esame con me, indipendentemente dall'iniziale del loro cognome.

Codice corso su classroom (Dove si possono trovare le lezioni registrate su meet): cxcgz2b

email: ernesto.placidi@uniroma1.it

Studio 350 Ed. Marconi, Fisica.

Regole per gli esoneri e gli esami scritti:

Il Corso di Fisica 1 e Laboratorio per Chimica

Presenta le seguenti regole di valutazione::

· L’esame è composto di una prova orale e di una prova scritta.

· Per essere ammessi all’esame orale il voto della prova scritta ottenuto con gli esoneri o con lo scritto ordinario deve essere maggiore o uguale a 17/30.

· Il voto finale degli esoneri corrisponde alla media tra i voti ottenuti nei due esoneri.

· Per essere esonerati dalla prova scritta è necessario:

o superare entrambi gli esoneri con un voto di almeno 15/30;

o ottenere una media maggiore o uguale a 17/30.

· Esoneri e scritto ordinario sono composti ciascuno di esercizi di Fisica e

Statistica e il voto è determinato dalla media pesata tra il voto della parte di Fisica (2/3)
e quello della parte di Statistica (1/3).

· Il voto finale dell’esame è unico e corrisponde alla media tra il voto della prova
scritta e quello della prova orale.

· Il voto della prova scritta, ottenuto sia con gli esoneri sia con lo scritto ordinario,
conserva la sua validità fino all’ultimo appello della sessione invernale dell’A.A. 2024-2025. Si può scegliere liberamente l’appello in cui sostenere la prova orale.

· Nel caso di un risultato negativo alla prova orale il voto dello scritto può essere utilizzato ancora per un solo secondo orale.

· Lo studente può partecipare a tutti gli scritti ordinari e decidere se consegnare o meno lo scritto.
Se lo studente decide di consegnarlo annulla automaticamente lo scritto precedente.

· La partecipazione agli esoneri è riservata agli studenti che frequentano il corso
con una certa regolarità, indipendentemente dall’anno di iscrizione;

· Per svolgere uno scritto bisogna sempre prenotarsi su infostud all'appello dello scritto
corrispondente. Se ci si ritira, si risulterà assenti e ci si potrà prenotare a un appello successivo;

· Anche nel caso in cui si sia esonerati, per svolgere l'orale è necessario prenotarsi su infostud.
Se non ci si presenta si risulterà assenti e ci si potrà prenotare in un appello successivo;

· Per svolgere un esonero o una prova scritta si possono utilizzare solo:

o I propri appunti;

o I libri di testo;

o Una calcolatrice non programmabile – non uno smartphone;

o Non si possono utilizzare eserciziari o libri con esercizi svolti.

Programma Fisica 1 (per Scienze Chimiche)

== Meccanica classica del punto materiale ==
Introduzione al metodo scientifico: grandezze fisiche, analisi dimensionale, unità di misura (sistema internazionale, SI).

Incertezze in fisica, Introduzione all'analisi degli errori e cenni di analisi statistica.
Cinematica: velocità, accelerazione, moto rettilineo uniforme, moto uniformemente accelerato, moto di un grave, moto circolare.
Dinamica: primo, secondo e terzo principio della dinamica, forza attrito, forza di gravita’, reazioni vincolari, forza elastica e moto armonico. Oscillatore libero e forzato. La risonanza.
Lavoro ed Energia: lavoro di una forza, teorema dell'energia cinetica, forze conservative, energia potenziale, conservazione dell’energia meccanica.

== Meccanica classica dei sistemi di punti materiali ==
Dinamica di un sistema di punti materiali: quantità di moto, prima equazione cardinale, conservazione della quantità di moto, teorema del centro di massa, impulso di una forza, urti (elastici, anelastici e completamente anelastici), teorema dell'energia cinetica per un sistema di punti materiali.
Dinamica del corpo rigido: momento di una forza, condizioni di equilibrio del corpo rigido, momento angolare, seconda equazione cardinale, conservazione del momento angolare, moti di rotazione del corpo rigido. Il momento d'inerzia e il tensore d'inerzia. Teorema di Huygens/Steiner. Teorema di Konig.

== Analisi delle incertezze ==

Il metodo sperimentale; Nozioni generali sull’incertezza nella misura;
Determinazione e rappresentazione dell’errore; Propagazione delle incertezze; Analisi statistica delle
incertezze casuali; Distribuzioni statistiche; La distribuzione normale; Metodo dei minimi quadrati; Il test
del chi-quadro per una distribuzione; Covarianza e Correlazione; Test del Chi quadro.

Testi consigliati

Testi consigliati per la teoria:

Elementi di Fisica. Meccanica e Termodinamica, Mazzoldi Nigro Voci, Ed Edises (2021)

David Halliday, Robert Resnick, Jearl Walker Fondamenti di fisica - Meccanica, Onde, Termodinamica, Elettromagnetismo, Ottica (Zanichelli)

Testi per esercizi:

Esercizi di Meccanica e Analisi degli errori: Ernesto Placidi,

ISBN: 978-8836231683 Ed. Edises (2023)

Altri testi:

Esercizi di meccanica: Loreto, Baldassarri, Servedio, Tria - "Fisica Generale (Meccanica)", Ed. McGraw-Hill
Esercizi di meccanica e termodinamica (capitolo 1-8 + appendice A): Alippi, Bettucci, Germano - "Fisica Generale", Società Editrice Esculapio

Esercizi di meccanica e termodinamica: Mencuccini, Silvestrini - "Esercizi di Fisica Meccanica e Termodinamica" , Casa Editrice Ambrosiana

Testo per approfondimenti:
Teoria: Mencuccini, Silvestrini - "Fisica I (Meccanica - Termodinamica)", Casa Editrice Ambrosiana

Programma Fisica 1 (per Chimica Industriale)

== Meccanica classica del punto materiale ==
Introduzione al metodo scientifico: grandezze fisiche, analisi dimensionale, unità di misura (sistema internazionale, SI).

Programma sui libri consigliati (La risonanza non è presente in alcuni di questi, il tensore di inerzia su nessuno, per quello vedere eLearning)

Ferrari Luci Mariani Pellissetto: cap. 1-10

Mazzoldi Nigro Voci: cap. 1-8, 10.1-10.3, 10.6-10.7, 11.1-11.3, 11.5
Mencuccini Silvestrini: cap 1-8

Serway Jewett: cap 1-13

Testi consigliati

Testo principale:
Teoria ed Esercizi: Ferrari, Luci, Mariani, Pellissetto (FLMP), "Fisica I (Meccanica e Termodinamica)", Ed. Idelson-Gnocchi

Testi per esercizi:

Esercizi di Meccanica e Analisi degli errori: Ernesto Placidi, ISBN: 978-8836231683, Ed. Edises (2023)
Esercizi di meccanica: Loreto, Baldassarri, Servedio, Tria - "Fisica Generale (Meccanica)", Ed. McGraw-Hill
Esercizi di meccanica e termodinamica (capitolo 1-8 + appendice A): Alippi, Bettucci, Germano - "Fisica Generale", Società Editrice Esculapio

Esercizi di meccanica e termodinamica: Mencuccini, Silvestrini - "Esercizi di Fisica Meccanica e Termodinamica" , Casa Editrice Ambrosiana

Testo per approfondimenti:
Teoria: Mencuccini, Silvestrini - "Fisica I (Meccanica - Termodinamica)", Casa Editrice Ambrosiana

Prerequisiti

Conoscenza dell’algebra; della trigonometria; delle basi del calcolo differenziale ed integrale tra cui: derivate, integrali e sviluppo in serie di funzioni elementari; rappresentazione grafica di funzioni.

Modalità di svolgimento

Il corso si articola in lezioni ed esercitazioni in aula.

Modalità di valutazione

La valutazione degli studenti e' basata su una prova scritta ed un colloquio orale. Sono esonerati dalla prova scritta coloro che superano le due prove scritte in itinere (esoneri) che si svolgono durante il corso.

Orari di ricevimento

Fisica Ed. Marconi (stanza 312)
Mercoledì 14-16
Ricevimento in presenza e/o a distanza. Per usufruire del ricevimento a distanza contattare prima il docente.

Curriculum

PLACIDI ERNESTO
SSD: PHYS-03/A

SCIENTIFIC CAREER:
- April 1999 October 1999: INFM postgraduate scholarship (National Institute for the physics of matter) at the MBE laboratory. University of Rome Tor Vergata Rome.
- November 1999 October 2002: PhD scholarship at the Physics Department of the University of Rome Tor Vergata Rome.
- November 2002 November 2003: Research grant included in the European project Forum FIB. University of Rome Tor Vergata Rome.
- December 2003- February 2009: Fixed-term researcher at the National Institute for the Physics of Matter (joins the National Research Council since May 2005).
- May 2004 September 2004: Post-Doc scholarship "Lincei - Royal Society" 2004. Electronic Materials Section of the Center for Electronic Materials and Devices, Inorganic Chemistry department, Impe-rial College, London.
- February 2009 September 2019: Permanent researcher of the National Research Council, from September 2010 at the Institute of Structure of Matter.
- January 2012 April 2012: Research fellow at the Queensland University of Technology in Brisbane.
- December 2013: Qualified as university professor, second bracket, for the competition sector 02 / B1 Experimental physics of matter (ASN 2012)
- April 2016: Qualified for the roles of university professor, first and second band, for the academic sector 02 / B1 Experimental physics of matter (ASN 2016)
- April / May 2018: Visiting professor at the Centro de Estudios Avancados de Cuba (CEAC) and the Centro de Ingenieria Genetica y Biotecnologia de Cuba (CIGB).
- September 2019-today: Fixed-term researcher type B at the Physics department of the University of Rome La Sapienza.

Supervisor for numerous degree and doctoral theses.

TECHNICAL SKILLS:
- Ultra-High-Vacuum Technology;
- Electronic optics, Electron analyzers;
- Electronic spectroscopies:
a) EELS (Electron Energy Loss Spectroscopy)
b) AES (Auger Electron Spectroscopy)
c) XPS (X-ray Photoemission Spectroscopy)
d) UPS (UV-ray Photoemission Spectroscopy)
- Electronic diffraction techniques:
a) RHEED (Reflection High Energy Electron Diffraction);
b) LEED (Low Energy Electron Diffraction);
- Scanning Probe Microscopies:
a) STM (Scanning Tunneling Microscopy) in air and UHV
b) STS (Scanning Tunneling Spectroscopy) in air and UHV
c) AFM (Atomic Force Microscopy) in air and UHV
- Epitaxial growth techniques: MBE (Molecular beam epitaxy) on III-V compounds

RESEARCH AREAS
- Semiconductor heterostructures: a significant part of the research activity is linked to the growth and morphological and optical characterization of III-V semiconductor heterostructures.
- Magnetic semiconductors (DMS) III-V. Study of local interactions in semiconductors with dilute magnetic impurities (DMS).
- Growth, optical and electronic properties of III-V alloys with inclusion of Bismuth.
- Molecules on surface: study, by AFM characterization, of the aggregation dynamics of molecules.
- Graphite and Graphene: study of the electronic and morphological properties of grain boundaries of graphite and polycrystalline graphene, as well as study of the first stages of formation of graphene from SiC surfaces.

TEACHING:
Bachelor's degree courses (or the first three years in the old system)
1. Teacher for Materials Science courses for the degree course in Materials Science and Technology (Faculty of Science). University of Rome Tor Vergata, AY 1999-2000
2. Tutor for the Structure of Matter course for the degree course in Materials Science and Technology (Faculty of Science). University of Rome Tor Vergata, AY 1999-2001.
3. Tutor for the General Physics 1 course with laboratory exercises for the degree course in Materials Science and Technology (Faculty of Science). University of Rome Tor Vergata, AY 2004-2007.
4. Lecturer in the Physics Laboratory 1 course (4 credits) for the degree course in Materials Science and Technology (Faculty of Science). University of Rome Tor Vergata, AY 2007-2008 (The evaluation of the students is attached)
5. Lecturer of the Physics Laboratory 1 course (4 credits) for the degree course in Materials Science and Technology (Faculty of Science). University of Rome Tor Vergata, AY 2009-2010
6. Co-teacher of the Physics of Materials course with laboratory (1/8 cfu-compulsory) for the degree course in Materials Science and Technology (Faculty of Science). University of Rome Tor Vergata, AY 2016-2019
7. Lecturer in the Laboratory of Experimental Physics (6/10 credits) for the degree course in Materials Science and Technology (Faculty of Science). University of Rome Tor Vergata, AY 2017-2019.
8. Lecturer of the Physics 1 course (9/9 credits) for the degree course in Industrial Chemistry (Faculty of Scien-ze). La Sapienza University of Rome, AY 2019-2020.
Master's degree courses (or last year in the old system)
1. Tutor for the "Structure of Matter Laboratory" course, Department of Physics (Faculty of Sciences). University of Rome "Tor Vergata", AY 2003-2004
2. Tutor for the "Structure of Matter Laboratory" course, Department of Physics (Faculty of Sciences). University of Rome "Tor Vergata", AY 2008-2009
3. Cycle of three annual supplementary lessons for the "Surface Physics" course. Department of Physics (Faculty of Sciences). University of Rome "Tor Vergata", AA. 2003-2008
4. Lecturer of the “Epitaxial Growth of Crystals and Nanostructures” course (8/8 credits) for the master's degree course “Physics for Instrumentation and Technology”. University of Rome "Tor Vergata", AY 2011-2017
5. Lecturer of the "Microscopy and Nanoscopy" course (4/6 cfu-compulsory) for the master's degree course in Materials Science and Technology. University of Rome "Tor Vergata", AY 2014-2015
6. Lecturer of the “Advanced Characterization of Materials: Techniques and Applications” course (4/6 credits-compulsory) for the master's degree course “Physics for Instrumentation and Technology”. University of Rome “Tor Vergata”, AY 2014-2016
7. Lecturer of the "Microscopy and Nanoscopy" course (5/6 cfu-compulsory) for the master's degree course in Materials Science and Technology. University of Rome "Tor Vergata", AY 2015-2016
8. Co-Teacher of the "Microscopy and Nanoscopy" course (3/6 cfu-compulsory) for the master's degree course in Materials Science and Technology. University of Rome "Tor Vergata", AY 2016-2017

High formation:
1. Invited lecturer for the “Solid State Physics fundamentals in Surface Science” course (20 hours) for PhD students, Queensland University of Technology, Brisbane, Australia, February 2012 - April 2012.
2. Lecturer of the course: “The growth and physics of nanostructures” (2 credits) for the PhD course in physics, University of Rome Tor Vergata March 2014 - May 2014.
3. Invited lecturer of the course: “Lectures on Atomic Force Microscopy. Theory and applications on bio-logical systems. " (96 hours) for the research staff of the Centro de Estudios Avancados de Cuba (CEAC) and Centro de Ingenieria Genetica y Biotecnologia de Cuba (CIGB) of Cuba, April / May 2018.

Lessons in national / international schools:
1. Lecture, "AFM microscopy in materials science", ISM-CNR, Local probe scanning microscopy course, February 19-21, 2013
2. Lecture, "The AFM microscopy in material science", Training School on ScanningTunneling Mi-croscopy (STM), Atomic Force Microscopy (AFM) and Scanning Near-field Optical Microscopy (SNOM), ECOST-TRAINING_SCHOOL-MP1302-240914-048696 , 24-26 September 2014

DISCLOSURE ACTIVITY:
- 2010-2018 - Lessons and internships for secondary school students as part of the activities of the National Educational Plan "Internships in Universities" (http://www.stageatorvergata.it/).
- Dissemination seminar "The future and Nanotechnologies", Orienta Science, University of Rome "Tor Vergata", Macro-area of Mathematical, Physical and Natural Sciences. 13 February 2013.
- Dissemination seminar "The future and Nanotechnologies", Orienta Science, University of Rome "Tor Vergata", Macro-area of Mathematical, Physical and Natural Sciences. February 12, 2014.
- Dissemination seminar "The future and Nanotechnologies", Orienta Science, University of Rome "Tor Vergata", Macro-area of Mathematical, Physical and Natural Sciences. February 6, 2015.
- Dissemination seminar "The future and Nanotechnologies", Orienta Science, University of Rome "Tor Vergata", Macro-area of Mathematical, Physical and Natural Sciences. February 17, 2016.
- Dissemination seminar "The nanotechnological revolution", Orienta Science, University of Rome "Tor Vergata", Macro-area of Mathematical, Physical and Natural Sciences. February 15, 2017

FELLOWSHIP:

- Ph D Fellowship, Department of Physics, University of Rome "Tor Vergata", 1999 - 2002.
- Erasmus internship at the LEPES laboratory of the Center National Research Institute (CNRS) france-se. Université “Joseph Fourier” Grenoble (France), July 1997 - September 1997
- SOCRATES intensive program “Vacuum Physics and Techniques”. Université Catholique de Louvain, Louvain-la-Nevue (Belgium), May 1998.
- "Lincei - Royal Society" 2004 “Growth Mechanisms in dilute nitride GaAs based semiconductor al-loys”. Electronic Materials Section of the “Center for Electronic Materials and Devices”, Inorganic Chemistry department, Imperial College, London.
- Invited Research Fellow At Queensland University of Technology in Brisbane, January 2012 - April 2012
- Invited Professor at the Centro de Estudios Avancados de Cuba (CEAC) and Centro de Ingenieria Genetica y Biotecnologia de Cuba (CIGB), Cuba 9 April 2018 - 8 May 2018.

EXTRA - ACADEMIC COURSES:
1. LabView basic course (National Instruments Italy Srl) Rome 1997.

PROJECTS FROM PRINCIPAL INVESTIGATOR:
- Young researchers project (University of Rome “Tor Vergata”): “Electronic and Structural proper-ties of GaAs (001) surface "(October 2000 - September 2001).
- CNR-RAS Bilateral Project: Spin filter effect of hybrid structures of ferromagnetic metals / ferromagnetic semiconductors: towards the electrical and optical measurement of electron spin. (2013-2015)
- CNR-CAS Bilateral Project: Study of III-V alloys containing Bi as potential candidates for new three-dimensional topological insulators. (2016-2018) SAC.AD002.018.017
- Head of the service provision contract between the Physics Department of the University of Rome "Tor Ver-gata" and the INUIT Foundation.

PARTICIPANT PROJECTS:
- PRIN 2000: Electronic and structural properties of confined III-V systems made by molecular beam epitaxy (MBE).
- PRIN 2002: Growth of semiconductors quantum dots on nanopatterned substrates
- FORUM FIB, Fabrication Organization and Use of Memories obtained by Focused Ion Beam IST-2000-29573 (July 2001- July 2004)
- FIRB 2002: Nanotechnologies and Nanodevices for the information society. Workpackage 3: Na-node devices and architectures for optoelectronics. Activity 3.1 Nanostructured emitters
- PRIN 2005: Spatially controlled nucleation of quantum dots for single photon emitters
- PRIN 2007: Bridging the gap between theory and experiment: towards controlling the growth and properties of semiconductor nanostructures.
- Uncovering the Excellence 2014 (University of Tor Vergata): The good and the bad of protein fibrillation - ProFi - 18 months, € 16900. University of Rome "Tor Vergata".
- Consolidate the Foundation 2016 (University of Tor Vergata): GaAs (1-x) Bix aLLoY: a potential candidate for Future Photonic Devices - BILLY "- 18 months, € 16500. University of Rome" Tor Vergata ", CUP: E82F16000400005.
- Horizon 2020, H2020-ICT-2018-2020, Grant Agreement (GA) No: 824957, Boosting Performance of Phase Change Devices by Hetero- and Nano-Structure Material Design (BeforeHand) (3999451.25 €)

BOOKS
1) E. Placidi, Elements of Vacuum Physics, publisher Lulu (2015). ISBN: 978-1-326-47217-7, 978-1-326-48818-5
2) E. Placidi, Introduction to Atomic Force Microscopy, publisher Lulu (2016). ISBN: 978-1-326-81330-7
3) E. Placidi, Introduction to Atomic Force Microscopy, publisher Lulu (2017). ISBN: 978-0-244-62108-7

CHAPTERS OF BOOKS
1) E. Placidi, F. Arciprete, M. Fanfoni, F. Patella, and A. Balzarotti, The InAs / GaAs (001) quan-tum dots transition: advances on understanding, Lecture Notes on Nanoscale Science and Technology: "Self -Assembled Quantum Dots ”, Springer, page 1-24 (2007). DOI: 10.1007 / 978-0-387-74191-8 (Invited Book Chapter)
2) E. Placidi, F. Arciprete, R. Magri, M. Rosini, A Vinattieri, L. Cavigli, M. Gurioli, E. Giovine, L. Persichetti, M. Fanfoni, F. Patella and A. Balzarotti, InAs epitaxy on GaAs (001): a model case of strain-driven self-assembling of quantum dots, S. Bellucci (ed.), Self-assembly of Nanostrucures, Surfaces and Quantum dots. The INFN Lectures- Vol III /, / Berlin Heidelberg: Springer Verlag, Lecture Notes in Nanoscale Science and Technology, Volume 12, 73-125 (2012) (Invited Book Chapter)
3) F. Archpriest, R. De Angelis, F. De Matteis, L. Persichetti, E. Placidi, P. Prosposito, A. Sgar-lata, Waveguides: Fabrication and characterization, Springer, STUDENTS-RESEARCHERS for five days, p. 169-201 (2013)

PUBLICATIONS:
1) E. Placidi*, M. Fanfoni, F. Arciprete, F. Patella, N. Motta, A. Balzarotti. Scaling law and dy-namical exponent in the Volmer-Weber growth mode: Silver on GaAs(001) 2 × 4 Mat. Sci. & Eng. B 69-70 (2000) 243-246
2) M. Fanfoni, E. Placidi, F. Arciprete, F. Patella, N. Motta, A. Balzarotti. Dynamic behaviour of silver islands growing on GaAs(001) 2 × 4 substrate, Surf. Sci. 445 (2000) L17-L22
3) F. Patella, M. Fanfoni, F. Arciprete, S. Nufris, E. Placidi, and A. Balzarotti. Kinetic aspects of the morphology of self-assembled InAs quantum dots on GaAs (001), Appl. Phys. Lett. 78 (2001) 320-322.
4) F. Patella, F. Arciprete, E. Placidi, S. Nufris, M. Fanfoni, A. Sgarlata, D. Schiumarini, A. Balzarotti. Morphological instabilities of the InAs/GaAs(001) interface and their effect on the self-assembling of InAs quantum-dot arrays, Appl. Phys. Lett. 81 2273-2275 (2002).
5) A. Balzarotti, M. Fanfoni, F. Patella, F. Arciprete, E. Placidi, G. Onida, R. Del Sole, The GaAs(001) c(4×4) surface: A New Perspective from Energy Loss Spectra, Surf. Sci. Lett. 524, L71-L76 (2003).
6) A. Balzarotti, M. Fanfoni, F. Patella, F. Arciprete, and E. Placidi, Electronic anisotropy of the GaAs(001) surface studied by the energy loss spectroscopy, Microel. J. 34, 595-597 (2003)
7) F. Patella, S. Nufris, F.Arciprete, M. Fanfoni, E. Placidi, A. Sgarlata, and A. Balzarotti. Structural Study of the InAs Quantum-Dot Nucleation on GaAs(001), Microel. J. 34, 419-422 (2003)
8) A. Balzarotti, E. Placidi, F. Arciprete, M. Fanfoni, F. Patella, Anisotropy of the GaAs(001)-β2(2×4) surface from high-resolution electron-energy-loss spectroscopy, Phys. Rev. B, 67 115332 (5 pages) (2003).
9) F. Patella, S. Nufris, F. Arciprete, M. Fanfoni, E. Placidi, A. Sgarlata, and A. Balzarotti, Tracing the two-to-three dimensional transition in the InAs/GaAs(001) heteroepitaxial growth, Phys. Rev. B, 67 205308 (5 pages) (2003).
10) F. Arciprete, C. Goletti, E. Placidi, M.Fanfoni, F.Patella, P. Chiaradia, C. Hogan and A. Bal-zarotti, Surface versus bulk contributions from reflectance anisotropy and electron energy loss spectra of the GaAs(001)-c(4x4) surface, Phys. Rev. B, 68 125328 (5 pages) (2003).
11) F. Arciprete, C. Goletti, E. Placidi, C. Hogan, P. Chiaradia, M. Fanfoni, F. Patella, and A. Balzarotti, Surface states at the GaAs(001)2 x 4 surface, Phys. Rev. B 69, 081308(R) (4 pa-ges) (2004)
12) F. Patella, A. Sgarlata, F. Arciprete, S. Nufris, P. Skutznik, E. Placidi, M. Fanfoni, N. Motta and A. Balzarotti Self-assembly of InAs and Si/Ge quantum dots on structured surface, J. Phys. Cond. Matt 16 S1503-S1534 (2004). (Invited review paper)
13) O.E. Tereshchenko, E. Placidi, P. Chiaradia, A. Balzarotti, and D. Paget, Structure of chemi-cally prepared InAs(100) surface, Surf. Sci. 570, 237-244 (2004).
14) H. Guyot, N. Motta, E. Placidi and H. Balaska, Characterization of cleaved surfaces of a monophosphate tungsten bronze, Rev. Adv. Mater. Sci. 8 (2004) 34-40.
15) I. Aureli, V. Corradini, C. Mariani, E. Placidi*, F. Arciprete, A.Balzarotti , Valence band and In-4d core level study of de-capped and ion-bombarded-annealed In-terminated InAs(001) surfaces, Surf. Sci. 576, 123-130 (2005).
16) C. Hogan, E. Placidi and R. Del Sole, Geometric structure and optical properties of the GaAs(001)-c(4×4) surface, Phys. Rev. B, 71, 041308(R) (4 pages) (2005).
17) E. Placidi*, F. Arciprete, V.Sessi, M. Fanfoni, F. Patella and A. Balzarotti, Step erosion du-ring InAs quantum dots on GaAs(001) surface, Appl. Phys. Lett. 86, 241913, (three pages) (2005) and Virtual Journal of Nanoscale Science & Technology, Volume 11, Issue 24. Cover page for Appl. Phys. Lett.Volume 86, Issue 24.
18) F. Patella, F. Arciprete, M. Fanfoni, V. Sessi, A. Balzarotti and E. Placidi, Reflection high electron energy diffraction observation of surface mass transport at the two- to three- dimen-sional growth transition of InAs on GaAs(001). Appl. Phys. Lett. 87, 252101 (3 pages) (2005) and Virtual Journal of Nanoscale Science & Technology, Volume 12, Issue 26 (2005).
19) F. Patella, F. Arciprete, M. Fanfoni, A. Balzarotti, and E. Placidi, Apparent critical thickness versus temperature for InAs quantum dot growth on GaAs(001). Appl. Phys. Lett. 88, 161903 (3 pages) (2006) and Virtual Journal of Nanoscale Science & Technology, Volume 13, Issue 17 (2006).
20) E. Placidi*, C. Hogan, F. Arciprete, M. Fanfoni, F. Patella, R. Del Sole, and A Balzarotti, Ad-sorption of molecular oxygen on GaAs(001) studied using high resolution electron energy loss study. Phys. Rev. B 73, 205345 (9 pages) (2006)
21) F. Arciprete, E. Placidi, V.Sessi, M. Fanfoni, F. Patella and A. Balzarotti, How kinetics drives the two- to three-dimensional transition in semiconductor strained heterostructures: the case of InAs/GaAs(001). Appl. Phys. Lett. 89 041904 (3 pages) (2006) and Virtual Journal of Nanoscale Science & Technology, Volume 14, Issue 6 (2006)
22) O.E. Tereshchenko, D. Paget, P. Chiaradia, E. Placidi, J.E. Bonnet, F. Wiame, and A. Taleb-Ibrahimi, Chemically prepared well-ordered InP(001) surfaces, Surf. Sci. 600, 3160-3166 (2006)
23) E. Placidi*, F. Arciprete, F. Patella, M. Fanfoni, E. Orsini and A. Balzarotti, Kinetic effects in the InAs/GaAs(001) two-dimensional to three-dimensional transition J. of Phys.: Cond. Matt. 19, 225006 (21 pages) (2007)
24) P. D. Szkutnik, A. Sgarlata, E. Placidi, N. Motta, I. Berbezier and A. Balzarotti, Influence of patterned silicon and silica surfaces on the nucleation of Ge nanostructures. Surf. Sci. 601, 2778-2782 (2007).
25) M. Fanfoni, E. Placidi, F. Arciprete, E. Orsini, F. Patella, A. Balzarotti, Sudden nucleation versus scale invariance of InAs quantum dots on GaAs, Phys. Rev. B 75, 245312 (2007), and Virtual Journal of Nanoscale Science & Technology Volume 15, Issue 24
26) O. Bute, GH. V. Cimpoca, E. Placidi, F. Arciprete, F. Patella, M. Fanfoni, A. Balzarotti, The monitoring of 2d-3d transition for InAs/GaAs (001) self-assembled quantum dots by atomic force microscopy, J. of Opt. and Adv. Mat. 10, 74–79 (2008)
27) L. Herrera Diez, R.K. Kremer, J. Honolka, K. Kern, A. Enders, M. Rössle, E. Arac, E. Placidi and F. Arciprete, Complex domain wall dynamics in compressively strained Ga1-xMnxAs epi-layers, Phys. Rev. B 78, 155310 (2008)
28) F. Patella, F. Arciprete, E. Placidi, M. Fanfoni, A. Balzarotti, A. Vinattieri, L. Cavigli, M. Abbarchi, M. Gurioli, Gerardino and L. Lunghi, Single quantum dots emission by nanoscale selective growth of InAs on GaAs: a bottom-up approach, Appl. Phys. Lett. 93, 231904 (2008), and Virtual Journal of Nanoscale Science & Technology Volume 18, Issue 25
29) E. Placidi*, A. Dalla Pia, F. Arciprete, Annealing effects on faceting of InAs/GaAs(001) quan-tum dots, Appl. Phys. Lett. 94, 021901 (2009) and Virtual Journal of Nanoscale Science & Technology Volume 19, Issue 4
30) S. D. Thorpe, F. Arciprete, E. Placidi, F. Patella, M. Fanfoni, A. Balzarotti, S. Colonna, F. Ronci, A. Cricenti, A. Verdini, L. Floreano, A. Morgante, XPS and STM study of Mn incor-poration on the GaAs (001) surface, Superlattices and Microstructures 46, 258-265, (2009)
31) F. Arciprete, E. Placidi, F. Patella, M. Fanfoni, A. Balzarotti, A. Vinattieri, L. Cavigli, M. Abbarchi, M. Gurioli, Gerardino and L. Lunghi, Selective growth of InAs quantum dots on SiO2-masked GaAs, J. Nanophoton. Vol. 3, 031995 (8 pages) (2009)
32) F. Arciprete, E. Placidi, M. Fanfoni, F. Patella, A. Della Pia, A. Balzarotti, Temperature de-pendence of the size distribution function of InAs Quantum Dots on GaAs(001) Phys. Rev. B 81, 165306 (5 pages) (2010)
33) L. Herrera Diez, J. Honolka, K. Kern, H. Kronmuller, F. Arciprete, E. Placidi, A.W. Rush-forth, R.P. Campion, and B.L. Gallagher, Magnetic aftereffect in GaMnAs, Phys. Rev. B 81, 094412 (6 pages) (2010)
34) I. Hamley, G. Brown, V. Castelletto, G. Cheng, M. Venanzi, M. Caruso, E. Placidi, C. Ale-man, G. Revilla-López, D. Zanuy, Self-Assembly of a Designed Amyloid Peptide Containing the Functional Thienylalanine Unit, The Journal of Physical Chemistry B 114, 10674-10683 (2010)
35) J. Honolka, L. Herrera Diez, R.K. Kremer, K. Kern, F. Arciprete, E. Placidi, Temperature de-pendent Néel wall dynamics in GaMnAs/GaAs, New J. Phys. 12, 093022 (17 pages) (2010)
36) E. Placidi*, E. Zallo, F. Arciprete, M. Fanfoni, F. Patella and A. Balzarotti, Comparative study of low temperature growth of InAs and InMnAs quantum dots Nanotechnology 22, 195602 (2011)
37) L. Herrera Diez, M. Konuma, J. Honolka, K. Kern, E. Placidi, F. Arciprete, A.W. Rushforth, R.P. Campion, and B.L. Gallagher, Magnetism and carrier modulation in (Ga,Mn)As/organic-dye hybrid devices, Appl. Phys. Lett. 98, 022503 (2011)
38) L. Herrera Diez, M. Konuma, R. K. Kremer, J. Honolka, K. Kern, E. Placidi and F. Arciprete, Magnetoelectric properties of oxygenated (Ga,Mn)As, Phys. Rev. B 83, 094420 (2011)
39) S. Colonna, E. Placidi, F. Ronci, A. Cricenti, F. Arciprete, A. Balzarotti, The role of kinetics on the Mn-induced reconstructions of the GaAs(001) surface, J. Appl. Phys. 109, 123522 (2011)
40) A. Cricenti, S. Colonna, E. Placidi, M. Luce, J. Qi, N. H. Tolk, G. Margaritondo, Optical techniques for pump-probe magnetic measurements and nanoimaging of biological samples, Rend. Fis. Acc. Lincei 22, S49-S57 (2011)
41) E. Placidi*, F.Arciprete, A. Balzarotti and F. Patella, Scaling behavior of GaAs and GaMnAs quantum rings grown by droplet epitaxy, Appl. Phys. Lett. 101, 141901 (2012)
42) M. Fanfoni, F. Arciprete, C. Tirabassi , D. Del Gaudio, A. Filabozzi, A. Balzarotti, F. Patella, E. Placidi*, Coarsening effect on island size scaling: The model case InAs/GaAs(001), Phys. Rev. E 86, 061605 (2012)
43) Yu. G. Galitsyn, A. A. Lyamkina, S. P. Moshchenko, D. V. Dmitriev, A. I. Toropov, Yu. I. Mikhailov, E. Placidi, Statistical Approach to the Strain-Driven Formation of InAs Quantum Dots on GaAs(001), Doklady Akademii Nauk Vyssej Školy Rossii, vol. 2, p. 27-33 (2012)
44) F. Arciprete, E. Placidi, R.Magri, M. Fanfoni, A. Balzarotti and F.Patella, “The Unexpected Role of As in Driving the Selective Growth of InAs Quantum Dots on GaAs”, ACS Nano, 7, 3868-3875 (2013)
45) M. Caruso, E. Placidi, E. Gatto, C. Mazzuca, L. Stella, G. Bocchinfuso, A. Palleschi, F. For-maggio, C. Toniolo, M. Venanzi, “Fibrils or globules? Tuning the morphology of peptide ag-gregates from helical Building Blocks”, Journal of Physical Chemistry B, 117, 5448-5459 (2013)
46) F. Arciprete, E. Placidi, R. Magri, D. Del Gaudio, and F. Patella Kinetically Driven Selective Growth of InAs Quantum Dots on GaAs, J. Mater. Res., 28, 3201-3209, (2013) (Invited Feature Paper)
47) A. Capasso, E. Placidi, H.F. Zhan, E. Perfetto, J. M. Bell, Y.T. Gu , N. Motta “Graphene ripples generated by grain boundaries in Highly Ordered Pyrolytic Graphite”, Carbon 68, 330-336 (2014)
48) M. Caruso, E. Gatto, E. Placidi, G. Ballano, F. Formaggio, C. Toniolo, D. Zanuy, C. Alemán and M. Venanzi, A single-residue substitution inhibits fibrillization of Ala-based pentapep-tides. A spectroscopic and molecular dynamics investigation, Soft Matter 10, 2508-2519 (2014)
49) G. Bocchinfuso, P. Conflitti, S. Raniolo, M. Caruso, C. Mazzuca, E. Gatto, E. Placidi, F. Formaggio, C. Toniolo, M. Venanzi, A. Palleschi, Aggregation propensity of Aib-homopeptides of different length. An insight from Molecular Dynamics Simulations, Journal of Peptide Science 20, 494-507 (2014).
50) R. Magri, E. Placidi, F. Arciprete, and F. Patella, Selective Growth of InAs Quantum Dots on GaAs driven by As kinetics, Crystal Research and Technology 49, 546-551 (2014).
51) I. W. Hamley, S. Kirkham, A. Dehsorkhi, V. Castelletto, J. Adamcik, R. Mezzenga, J. Ruoko-lainen, C. Mazzuca, E. Gatto, M. Venanzi, E. Placidi, P. Bilalis, H. Iatrou, Self-Assembly of a Model Peptide Incorporating a Hexa-Histidine Sequence Attached to an Oligo-Alanine Se-quence, and binding to Gold NTA/Nickel Nanoparticles, Biomacromolecules 15, 3412–3420 (2014)
52) E. Placidi*, F. Arciprete, V. Latini, S. Latini, R. Magri, M. Scuderi, G. Nicotra and F. Patella, Lateral ordering determined by a trade-off between morphological and elastic interlayer in-teractions in InAs/GaAs(001) quantum dots multilayers, Appl. Phys. Lett. 105, 111905 (2014)
53) M. Caruso, E. Gatto, E. Placidi, G. Ballano, F. Formaggio, C. Toniolo, D. Zanuy, C. Aleman, M. Venanzi, Tuning the self-association of an Ala-based homo-pentapeptide by substitution with a single, internal Aib residue, Journal of Peptide Science 20, S193 (2014).
54) E. Placidi*, F. Arciprete, F. Sarti, M. Gurioli, A. Vinattieri, F. Patella, Single QD emission from arrays of QD chains obtained by a patterning-free method. Adv. Device Mater. 1, 33-37 (2015) (Invited Paper)
55) V. Latini, E. Placidi*, F. Arciprete, F. Patella, In-line correlation and ordering of InAs/GaAs Quantum dots multistacked structures. J. Crys. Growth. 419, 138-142 (2015)
56) B. Gupta, E. Placidi, C. Hogan, N. Mishra, F. Iacopi, N. Motta, The transition from 3C SiC(111) to graphene captured by UHV STM, Carbon 91, 378-385 (2015)
57) S. Bobone, E. Miele, B. Cerroni, D. Roversi, A. Bocedi, E. Nicolai, A. Di Venere, E. Placidi, G. Ricci, N. Rosato, L. Stella, Liposome-Templated Hydrogel Nanoparticles as Vehicles for Enzyme-Based Therapies, Langmuir 31, 7572-7580 (2015)
58) M. Fanfoni, A. Filabozzi, E. Placidi, F. Patella, A. Balzarotti, F. Arciprete, 2D Voronoi tessel-lation generated by lines and belts of dots. Phys. Lett. A 380, 516-519 (2016)
59) M. Carbonaro, A. di Venere, A. Filabozzi, P. Maselli, V. Minicozzi, S. Morante, E. Nicolai, A. Nucara, E. Placidi, and F. Stellato, Role of dietary antioxidant (-)-epicatechin in the deve-lopment of ß-lactoglobulin fibrils, Biochimica et Biophysica Acta (BBA) - Proteins and Pro-teomics 1864, 766-772 (2016)
60) E. Gatto, R. Lettieri, F. Di Giorgio, A. Colella, R. Magnusson, F. Bjorefors, E. Placidi, A. Palleschi, M. Venanzi, DPPTE Thiolipid Self Assembled Monolayer: a Critical Assay, Lang-muir 32, 11560–11572 (2016)
61) V. Latini, E. Placidi, F. Arciprete, F. Patella, E. Tisbi and R. Magri, Stress determined nuclea-tion sites above GaAs capped arrays of InAs quantum dots, J. Appl. Phys. 120, 125704 (2016)
62) E. Tisbi, V. Latini, F. Patella, E. Placidi* and F. Arciprete, Anisotropic cation diffusion in the GaAs capping of InAs/GaAs(001) Quantum Dots, J. Appl. Phys. 120, 235303 (2016)
63) R. Lettieri, E. Gatto, C. Mazzuca, D. Monti, A. Palleschi, E. Placidi, L. Cardová, P. Drašar, and M. Venanzi, Hierarchical transfer of chiral information from the molecular to the mesoscopic scale by Langmuir-Blodgett deposition of tetrasteroid-porphyrins, New Journal of Chemistry, 41, 639-649 (2017)
64) V. Latini, E. Tisbi, E. Placidi*, F. Patella, F. Biccari, M. Gurioli, A. Vinattieri, and F. Arci-prete, Tuning the growth for a selective nucleation of chains of Quantum Dots behaving as single photon emitters, J. Cryst. Growth 457, 177-183 (2017)
65) J. E. Boschker, E. Tisbi, E. Placidi, J. Momand, A. Redaelli, B. J. Kooi, F. Arciprete and R. Calarco, Textured Sb2Te3 films and GeTe/Sb2Te3 superlattices grown on amorphous sub-strates AIP advances 7, 015106 (2017).
66) M. A. Costa de Oliveira, B. Mecheri, A. D' Epifanio, E. Placidi, F. Arciprete, F. Valentini, A. Perandini, V. Valentini, S. Licoccia, Graphene Oxide Nanoplatforms to Enhance Catalytic Performance of Iron Phthalocyanine for Oxygen Reduction Reaction in Bioelectrochemical Systems, J. of Power Sources 356, 381-388 (2017)
67) V. Latini, E. Placidi*, R. Magri, E. Tisbi, F. Patella and F. Arciprete, Strain-engineered ar-rays of InAs quantum dots on GaAs(001): epitaxial growth and modeling, Nanoscience and Nanotechnology Letters 9, 1083-1094 (2017). Invited review article.
68) F. Stellato, Z. Fusco, R. Chiaraluce, V. Consalvi, S. Dinarelli, E. Placidi, M. Petrosino, G. C. Rossi, V. Minicozzi, S. Morante, The effect of sheet breaker peptides on metal associated Am-yloid- peptide aggregation process, Biophysical Chemistry 229, 110-114 (2017)
69) M. Carbonaro, A. Filabozzi, V. Minicozzi, S. Morante, F. Stellato, E. Placidi, A. Di Venere, E. Nicolai, F. Ripanti, P. Postorino, A. Nucara, Human insulin b-fibrillogenesis in the pres-ence of epigallocatechin gallate and melatonin: structural insights from a biophysical ap-proach, International Journal of Biological Macromolecules 115, 1157-1164 (2018)
70) C. Verona, F. Arciprete, M. Foffi, E. Limiti, M. Marinelli, E. Placidi, G. Prestopino, G. Ve-rona Rinati, Influence of diamond surface crystal-orientation on transfer doping of H-terminated diamond by V2O5, Appl. Phys. Lett. 112, 181602 (2018)
71) A. Amodio, E. Del Grosso, A. Troina, E. Placidi, F. Ricci, Remote electronic control of DNA-based reactions and nanostructures assembly, NanoLetters 18, 2918–2923 (2018)
72) F. S. Farahani, B. Mecheri, M. R. Majidi, M. A. Costa de Oliveira, A. D’Epifanio, F. Zurlo, E. Placidi, F. Arciprete, S. Licoccia MnOx-based electrocatalysts for enhanced oxygen reduc-tion in microbial fuel cell air cathodes J. of Power Sources 390, 45-53 (2018)
73) E. Ciotta, P. Prosposito, P. Tagliatesta, C. Lorecchio, L. Stella, S. Kaciulis, E. Placidi, and R. Pizzoferrato, Differentiating between fluorescence-quenching heavy-metal ions with unfolded fullerene quantum dots, Sensors 18, 1496 (2018).
74) M. De Zotti, E. Gatto, B. Di Napoli, C. Mazzuca, A. Palleschi, E. Placidi, F. Formaggio, C. Toniolo, and M. Venanzi, Tuning the Morphology of Nanostructured Peptide Films by Intro-duction of a Secondary Structure Conformational Constraint: a Case-Study of Hierarchical Self-Assembly, J. Phys. Chem. B (in press, DOI: 10.1021/acs.jpcb.8b01877)
75) B. Mecheri, V.C.A. Ficca, M.A. Costa de Oliveira, A. D’Epifanio, E. Placidi, F. Arciprete, S. Licoccia, Graphene-based electrocatalysts boost oxygen reduction in microbial fuel cells, Appl. Catalysis B 237, 699-707 (2018)
76) A. Marcucci, F. Zurlo, I. Natali Sora, E. Placidi, S. Casciardi, S. Licoccia and E. Di Bartolo-meo, Redox-stable Pd doped-perovskite for SOFCs application, J. Material Chemistry A 7, 5344-5352 (2019)
77) J. Honolka, C. D. Hogan, M. Vondracek, Y. Polyak, F. Arciprete, and E. Placidi, Electronic properties of GaAsBi(001) alloys at low Bi content, Phys. Rev. Mat. 3, 044601 (2019) (14 pages)
78) S. Colonna, V. Sessi, E. Placidi, F. Ronci, E. Jimenez, F. Arciprete, Structural and magnetic investigation of the Mn induced GaAs(001) reconstructions, Phys. Rev B 99, 115311 (2019) (8 pages)
79) F. S. Farahani B. Mecheri, M. R. Majidi, E. Placidi, A. D’Epifanio, Bimetallic Fe-Mn oxides as low cost and temperature-cycling resistant electrocatalysts for bioelectrochemical systems, Carbon 145, 716-724 (2019)
80) I. Francolini, E. Perugini, I. Silvestro, M. Lopreiato, A. Scotto d’Abusco, F. Valentini, E. Pla-cidi, F. Arciprete, A. Martinelli and A. Piozzi, Graphene oxide oxygen content affects physical and biological properties of scaffolds based on chitosan/graphene oxide conjugates, Materials 12, 1142 (2019) (17 pages)
81) K. V. Tian, F. Passaretti, A. Nespoli, E. Placidi, C. Andreani, R. Senesi and P. Cozza, Simul-taneous composition-nanostructure determination towards predicting stainless steel ortho-dontic archwire performance Nanomaterials 9, 1119 (2019) (13 pages)
82) M. Venanzi, M. De Zotti, G Corvi, E Gatto, B. Di Napoli, C. Mazzuca, A. Palleschi, E. Pla-cidi, B. Biondi, M. Crisma, F. Formaggio, C Toniolo, Controlling the Formation of Antimi-crobial Peptide Films: Fully-Developed Helical Peptides Are Required to Obtain a Homoge-nous Coating over a Large Area, ChemPlusChem 84, 1688 (2019)

PROCEEDING DI CONFERENZA:
1. F. Arciprete, F. Patella, M. Fanfoni, S. Nufris, E. Placidi, D. Schiumarini, and A. Balzarotti. Morphology of Self-Assembled InAs Quantum Dots on GaAs(001). Current Issues in Heteroepi-taxial Growth - Stress Relaxation and Self Assembly. Symposium (Materials Res. Soc. Sympo-sium Proceedings Vol.696), 2002, p 195-200. Also on Vol. 707), 2002, p 179-84
2. Nufris S., Arciprete F.; Patella F.; Placidi E.; Fanfoni M.; Sgarlata A.; Balzarotti A. Source: Ear-ly stages of nucleation in the InAs/GaAs(001) heteroepitaxial growth, Design and Nature, v 6, Design and Nature II: Comparing Design in Nature with Science and Engineering, 2004, p 195-198
3. Bute O., Cimpoca Gh.V., Placidi E., Arciprete F., Patella F., Fanfoni M., Balzarotti A. The In-fluence of the Wetting Layer Morphology on the Nucleation and the Evolution of InAs/GaAs (001) Quantum Dots CAS 2007 Proceedings, IEEE Catalog Number 07TH8934, ISBN 1-4244-0846-4, ISSN 1545-827X, pp.337-340.
4. The study of self-assembled nanostructures by Atomic Force Microscopy, O. Bute, E. Placidi, F. Arciprete, F. Patella, M. Fanfoni, A. Balzarotti, V. Cimpoca, Convergence of MICRO-NANO-BIOTEHNOLOGIES"
5. O. Bute, V. Cimpoca, E. Placidi, F. Arciprete, The monitoring of 2D-3D transition for InAs/GaAs (001) self-assembled quantum dots by atomic force microscopy Journal Of Science And Arts 9, 347-352 (2008) ISSN 1844-9581
6. M. Caruso, E. Placidi, E. Gatto, L. Stella, A. Palleschi, G. Bocchinfuso, F. Formaggio, C. Toni-olo, and M. Venanzi, Optical Spectroscopy and Conformational Analysis of Peptide Aggregates. The Role of Aromatic Interactions and Conformational Flexibility, Proceedings of the 31st Euro-pean Peptide Symposium, 582-583 (2010)
7. F. Arciprete, E. Placidi, R. Magri, M. Fanfoni, A. Balzarotti, and Fulvia Patella, Role of As in the Anisotropic Positioning of Self-Assembled InAs Quantum Dots, MRS Proceeding Vol 1551.
BEAMLINE PROPOSAL ACCETTATI
1 Settembre 2003 - European Synchrotron Radiation Facility (ESRF), Grenoble (France). Expe-rimento SI-891, approvato e finanziato da ESFR: “Study of the Copper diffusion on MgO(100) Surface”. (proposer S. Colonna)
2 ELETTRA proposal accettato. Title: First stages of Mn/GaAs(001) interface formation. ALOISA 11-16/07/2007 (proposer E. Placidi)
3 ELETTRA proposal accettato. Title: Magnetic properties of Mn/GaAs(001)1x2 reconstruction formation. 2009 APE (proposer E. Placidi)
4 Ottobre - Novembre 2012 - European Synchrotron Radiation Facility (ESRF), Grenoble (France). Experimento HE-3849, approvato e finanziato da ESFR: “Magnetic properties of two-dimensional Mn structures on the GaAs(001) growth surface”. (proposer S. Colonna)
5 ELETTRA proposal accettato (20170161). Title: Electronic properties of MBE-grown Bi-doped GaAs thin films, 4-10 Settembre 2017 (proposer J. Honolka))

CONFERENZE E WORKSHOP

1. STM study of the Ag/GaAs(001) and island formation. E. Placidi, M. Fanfoni F. Arciprete, F. Pa-tella, N. Motta, A. Sgarlata and A. Balzarotti; E-MRS Meeting, European Material and Research Science, Strasbourg (France) June 1-4, 1999 – (orale)
2. Physics for the XXI Century, Roma (Italia), 04-07 September 2000.
3. Growth and Characterization of Epitaxial GaAs and Nanostructures: preliminary results. F. Arci-prete, F. Patella, E. Placidi, M. Fanfoni, A. Sgarlata, N. Motta, and A. Balzarotti. INFM Meeting, Catania 14-18 June 1999 - (poster). STM study of the Ag/GaAs(001)2x4 interface formation. E. Placidi, F. Arciprete, F. Patella, M. Fanfoni, N. Motta, and A. Balzarotti, (poster).
4. Morphology of self-assembled InAs quantum dots on GaAs(001). F. Patella, F. Arciprete, M.Fanfoni, S. Nufris, E. Placidi and A. Balzarotti. INFM Meeting, Genova 12-16 June 2000 - (poster).
5. Morphology of self-assembled InAs quantum dots on GaAs(001). F. Arciprete, F. Patella, S. Nufris, M. Fanfoni, E. Placidi, D.Schiumarini, and A. Balzarotti. INFM Meeting, Roma 18-22 June 2001 (oral). HREELS study of the surface anisotropy of GaAs(001). A. Balzarotti, M. Fanfoni, F. Patella, F. Arciprete, S. De Giorgio, E. Placidi, (poster)
6. "Nanotubes and Nanostructures", Frascati, Italy, 23-28 September, 2002.
7. Electronic anisotropy study of the GaAs(001) As-rich surfaces by means of High Resolution Energy Loss Spectroscopy. E. Placidi, F. Arciprete, F. Patella, M. Fanfoni and A. Balzarotti, ECOSS 22, September 2003, Praha, Czech Republic. (orale)
8. The very surface states on GaAs(001) surface by means of electronic and optical techniques, E. Placidi, F. Arciprete, C. Hogan, F. Patella, M. Fanfoni, C. Goletti, P. Chiaradia, A. Balzarotti, (Orale); Two-to-three dimensional transition in the InAs/GaAs(001) heteroepitaxial growth, E. Placidi, F. Arciprete, S. Nufris, M. Fanfoni, F. Patella, A. Sgarlata, A. Balzarotti (poster), APS March Meeting 2004, 22-26 Marzo 2004 Montreal, Canada
9. Two-to-three dimensional transition in the InAs/GaAs(001) heteroepitaxial growth, E. Placidi, F. Arciprete, S. Nufris, M. Fanfoni, F. Patella, A. Sgarlata, A. Balzarotti, Pre–APS Workshop on Na-noscience and Nanostructured Materials, 19-20 Marzo 2004 Montreal, Canada (poster)
10. Dynamic scaling and microscopic mechanisms during growth mode transition of the InAs/GaAs(001) heterostructure, E. Placidi, F. Arciprete, V.Sessi, M. Fanfoni, F. Patella and A. Balzarotti, 23rd European Conference on Surface Science (ECOSS-23) 4. - 9. Sept. 2005, Berlin, Germany (Orale)
11. Dynamic scaling and microscopic mechanisms during growth mode transition of the InAs/GaAs(001) heterostructure, E. Placidi, F. Arciprete, V.Sessi, M. Fanfoni, F. Patella and A. Balzarotti, Nanocose meeting, Villa Mondragone, Università di Roma "Tor Vergata" 3 - 5 October 2005, Rome Italy (Orale su invito)
12. Step erosion during nucleation of InAs/GaAs(001) quantum dots, E. Placidi, F. Arciprete, V.Sessi, M. Fanfoni, F. Patella and A. Balzarotti, MRS fall meeting 2005, 28th November – 2nd December, Boston, USA (Orale).
13. Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures, 17th-22nd Septem-ber 2006, Bonassola, Italy.
14. Surface Diffusion and Scaling Behavior in the nucleation and growth of InAs Quantum Dots on GaAs(001), E. Placidi, F. Arciprete, M. Fanfoni, E. Orsini, F. Patella and A. Balzarotti, MRS fall meeting 2006, 27th November – 1st December, Boston, USA (Orale)
15. The InAs/GaAs(001) quantum dots transition: advances on understanding, Facets of Heteroepi-taxy: Theory, Experiment, and Computation, 2008, 10-15 February, Banff, Canada (Orale su invi-to)
16. Single quantum dot emission by nanoscale selective growth of InAs on GaAs: a bottom-up ap-proach: Collaborative Conference on Interacting Nanostructures (CCIN), 2009 9-13 November, San Diego, USA (Orale su invito)
17. Mechanism in formation and evolution of InAs/GaAs(001) quantum dots. Nanoscience & Nano-technology 2010, 20-23 September 2010, Frascati, Italy (Orale su invito)
18. Searching an alternative self-assembly approach for quantum dots lateral ordering, ACMM 22/APMC 10/ICONN 2012 Perth, 5-9 February 2012, Australia
19. InAs on gaAs single quantum dot nucleation on SiO2 patterned areas: a bottom-up approach, ACMM 22/APMC 10/ICONN 2012 Perth, 5-9 February 2012, Australia
20. Multi-stacked ordering of quantum dots driven by As kinetics. FisMat 2013, September 9-13, 2013; Milano (Orale)
21. Single exciton emission from multistacked InAs quantum dots chains self-assembled on GaAs(001). EuroMBE 2015, Canazei, 15-18 marzo 2015 (Orale)
22. Single exciton emission from multistacked InAs quantum dots chains self-assembled on GaAs(001). XI Convegno Nazionale Materiali Nanofasici, Roma, 26-28 ottobre 2015 (Orale)

SEMINARI SU INVITO

1. Seminario su invito “Epitaxial Growth of Semiconductor Strained Heterostructures. The case of InAs/GaAs(001)” , Queensland University of Technology, Brisbane, Australia, 2 April 2012.
2. Seminario su invito “Selective Growth and Multistacked Ordering of InAs Quantum Dots on GaAs Driven by As Kinetics”, ENEA Casaccia, Italy, 21 January 2014.