Articles tagged "Orbital Angular Momentum"

The 16th European Microscopy Congress 2016
Electron beam lithography for the realization of electron beam vortices with large topological charge ( L=1000ħ)
Erfan Mafakheri (1), Amir Tavabi (2), Penghan Lu (2), Roberto Balboni (3), Federico Venturi (1), Claudia Menozzi (1), Gian Carlo Gazzadi (4), Stefano Frabboni (1), Robert Boyd (5, 6, 7), Rafal Dunin-Borkowski (2), Ebrahim Karimi (5, 6), Vincenzo Grillo (4)
1. FIM, Università di Modena e Reggio Emilia, Modena, Italie 2. Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons (ER-C) and Peter Grünberg Institute (PGI), , Forschungszentrum Jülich, Juelich, Allemagne 3. IMM, CNR, Bologna, Italie 4. NANO, CNR, Modena, Italie 5. Department of Physics, University of Ottawa, Ottawa, Canada 6. Max Plank Center for extreme and quantum Physics, University of Ottawa, Ottawa, Canada 7. Institute of Optics, University of Rochester, Rochester, Etats-Unis
Electron vortex beams (EVBs) are an appealing topic, both in fundamental science and for practical applications in electron microscopy [1, 2]. Some of the most…
The 16th European Microscopy Congress 2016
Spin-multislice simulation of an electron inside the objective lens of a TEM
Vincenzo Grillo (1), Thomas Schachinger (2, 3), Ebrahim Karimi (4, 5), Peter Schattschneider (2, 3)
1. NANO, CNR, Modena, Italie 2. USTEM, TU Wien, Vienna, Autriche 3. Institute for Solid State Physics, University of Technology, Vienna, Autriche 4. Department of Physics, University of Ottawa, Ottawa, Canada 5. Max Plank Center for extreme and quantum Physics, University of Ottawa, Ottawa, Canada
Spin filtering of an unpolarized beam in a TEM is a fascinating field of research. Bohr conjectured that it is impossible to spin filter an…
The 16th European Microscopy Congress 2016
Proposal for an electron orbital angular momentum spectrometer
Tyler Harvey (1), Vincenzo Grillo (2, 3), Benjamin McMorran (1)
1. Department of Physics, University of Oregon, Eugene, OR, Etats-Unis 2. Istituto Nanoscienze, CNR, Modena, Italie 3. IMEM, CNR, Parma, Italie
Measurement of magnetization at atomic resolution via dichroic electron energy loss spectroscopy (EELS) with vortex beams remains a hotly-discussed and as-yet unproven goal for…