PHYS-627: Magnetic and semiconducting nanostructures

Summary

Introduce students to the magnetic and electronic properties of nanostructures

Lectures

Official source

https://edu.epfl.ch/coursebook/en/magnetic-and-semiconducting-nanostructures-PHYS-627

Moodle Page

http://go.epfl.ch/PHYS-627

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Raphaël Butté

Raphaël Butté was born in Paris, France, in 1973. He received the PhD degree from the University Claude Bernard, Lyon, France, in 2000 for his research on the structural and optoelectronic properties of hydrogenated nanostructured silicon thin films with potential applications for photovoltaics and thin film transistors. He then moved to the University of Sheffield (2000-2003), UK, to work as postdoctoral research associate in the group of Prof. Maurice S. Skolnick (Fellow of the Royal Society). His research shifted to the optical properties of III-V semiconductors with a main focus on the nonlinear optical properties of cavity polaritons occurring in GaAs-based microcavities driven under resonant optical excitation. In 2004, he moved to Ecole Polytechnique Fédérale de Lausanne (EPFL) as scientific collaborator in charge of optical spectroscopy at LASPE (http://laspe.epfl.ch/), a newly established laboratory directed by Prof. Nicolas Grandjean. In 2010, he became permanent member of staff (Scientific Collaborator and Lecturer). He was promoted to the position of Senior Scientist in 2016. His current research activity deals with planar waveguides, microdisks and photonic crystals made from III-nitride semiconductors. In particular, he is leading the activity focusing on: (i) the physics of exciton-polaritons in planar waveguides and (ii) high-β photonic crystal nanolasers. He is the author of 119 scientific articles published in peer-reviewed international journals, 14 publications published in peer reviewed journals following an international conference (Web of Science > 4500 citations, h-index: 36; Google Scholar > 6200 citations, h-index: 42) and 6 book chapters. He has given 30 invited talks in International Conferences/Winter-Summer Schools/Workshops. He has been the Publications Chair/Guest Editor of the Proceedings of the 5th International Workshop on Nitride semiconductors (IWN2008) and also served as Scientific Secretary of IWN2008 and of the 5th International Conference on Spontaneous Coherence in Excitonic Systems (ICSCE5). In 2012, he was one of the 149 scientists recognized by the Outstanding Referee program (http://publish.aps.org/OutstandingReferees) of the American Physical Society (APS) selected from a pool of roughly 60,000 currently active referees. Since September 2019, he is an Editorial Board Member of the newly launched open access APS journal, Physical Review Research. From September 2013 until December 2017, he was one of the Editors of the journal "Superlattices and Microstructures" (Elsevier). Since September 2015 he is a member of the Physics Doctoral School Teaching Committee. He was also a member of the EPFL Teaching Conference from September 2015 until August 2017.

Stefano Rusponi

Education: • 1999 Doctoral degree in Physics obtained at the Physics Department, University of Genova PhD thesis title: “STM study of nanostructures induced by ion sputtering on noble metals”. • 1994 University degree in Physics achieved at the Physics Department, University of Genova. Final mark: 110/110 cum laude Diploma thesis title: “A project for a new method of EELS spectroscopy”. • 1988 High school at the Liceo Scientifico G. P. Vieusseux in Imperia. Final mark: 60/60. Research career plan: • 2016 – present MER: Ecole Polytechnique Fédérale de Lausanne (EPFL) in the group of Prof. Harald Brune • 2003 – 2016: 1er. Assistant: Ecole Polytechnique Fédérale de Lausanne (EPFL) in the group of Prof. Harald Brune • 2000-2003: Assistant: Ecole Polytechnique Fédérale de Lausanne (EPFL) under the direction of Prof. Harald Brune • 1999-2000: Research associate: Max-Planck-Institut of Stuttgart under the direction of Prof. Klaus Kern Miscellaneous of professional activities: a) Review panel • Member of the Elettra proposal review panel • Member of the committee of the EDPY doctoral school in Physics at the EPFL b) Co-worker in the building of the X-Treme beamline: c) Referee for scientific journals: • Nat. Commun., Phys. Rev. Lett., Phys. Rev. B, J. Appl. Phys., Surf. Sci., J. Magn. Magn. Mater. Funding record a) Funding awarded • Quantum Properties of Nanostructures at Surfaces, FNS 200020-157081/1; (01/10/2014 – 31/09/2017); total amount attributed: 832'558 CHF; co-applicant • Controlling magnetic anisotropy by interfacial coupling, FNS 200021_146715/1; (01/01/2014 – 31/12/2016); total amount attributed: 367'800 CHF; co-applicant • Self-assembled bi-metallic magnetic pillar superlattices with enhanced blocking temperature, SER C10.0135; (01/08/2011 – 01/08/2013); total amount attributed: 170'000 CHF; co-applicant • Magnetic and Catalytic Properties of Surface Supported Metallic Nanostructures, FNS 200020-120493/1; (01/04/2008 – 31/03/2010); total amount attributed: 402'669 CHF; co-applicant • Magnetic and Catalytic Properties of Surface Supported Metallic Nanostructures, FNS 200020-112322/1; (01/04/2006 – 31/03/2008); total amount attributed: 347'633 CHF; co-applicant b) Approved proposals for the allocation of beamtime Swiss Light Source (SLS): main proposer: 9 co-proposer: 4 Elettra: main proposer: 5 co-proposer: 1 European Synchrotron Radiation Facility (ESRF): main proposer: 2 co-proposer: 11 Student supervisor • Co-director of PhD thesis: 4 PhD students

Dimitris Mousadakos: Seeking the smallest room temperature magnets; (in progress)
Romana Baltic: Controlling single atom magnetic anisotropy by interfacial coupling; (in progress)
Alberto Cavallin: Growth and magnetism of nanostructures investigated by STM, MOKE, and XMCD; (Oct. 2013), Thèse N°5941
Sergio Vlaic: Magnetism and atomic scale structure of bimetallic nanostructures at surfaces; (Dec. 2012), Thèse N° 5625

• Supervisor of PhD thesis (without co-direction): 4 PhD students

Anne Lehnert: Magnetism of individual adatoms and of epitaxial monolayers; (Jun. 2009), Thèse N° 4411
Geraud Moulas: Growth and magnetism of 2D bimetallic nanostructures; (Dec. 2008), Thèse N° 4231
Philipp Buluschek: Submonolayer growth of cobalt on metallic and insulating surfaces studied by scanning tunneling microscopy and kinetic Monte-Carlo simulations; (Nov. 2007), Thèse N° 3944
Nicolas Weiss: Propriétés magnétiques de nanostructures de Co adsorbées; (Apr. 2004), Thèse N° 2980

• Supervisor of Master thesis: 6 students • Supervisor of semester projects: 9 students • PhD thesis referee: 2 students