Laboratory for Epitaxial Nanostructures on Silicon and Spintronics

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Affiliated Institutions

• Polo di Como
• Politecnico di Milano
• Università Milano Bicocca

Andrea Barzaghi

PhD Student

Contact e-mail: tel: Como: +39 031 332 7307 fax: Como: +39 031 332 7617 address: Politecnico di Milano Polo di Como Via Anzani 42 22100 Como Italy office: Via Anzani 1.03

Main Research Interest

• SiGe multiple quantum wells

Publications

1. A. Barzaghi, V. Falcone, S. Calcaterra, D. Marris-Morini, M. Virgilio, and J. Frigerio: Modelling of an intersubband quantum confined Stark effect in Ge quantum wells for mid-infrared photonics, Opt. Express 30, 46710 (2022).
2. A. Heintz, B. Ilahi, A. Pofelski, G. Botton, G. Patriarche, A. Barzaghi, S. Fafard, R. Arès, G. Isella, and A. Boucherif: Defect free strain relaxation of microcrystals on mesoporous patterned silicon, Nature Communications 13, 6624 (2022).
3. V. Falcone, A. Ballabio, A. Barzaghi, C. Zucchetti, L. Anzi, F. Bottegoni, J. Frigerio, R. Sordan, P. Biagioni, and G. Isella: Graphene/Ge microcrystal photodetectors with enhanced infrared responsivity, APL Photonics 7, 106102 (2022).
4. M. Albani, R. Bergamaschini, A. Barzaghi, M. Salvalaglio, J. Valente, D. J. Paul, A. Voigt, G. Isella, and F. Montalenti: Faceting of Si and Ge crystals grown on deeply patterned Si substrates in the kinetic regime: phase-field modelling and experiments, Sci. Reports 11, 18825 (2021).
5. J. Pedrini, P. Biagioni, A. Ballabio, A. Barzaghi, M. Bonzi, E. Bonera, G. Isella, and F. Pezzoli: Broadband control of the optical properties of semiconductors through site-controlled self-assembly of microcrystals, Opt. Express 28, 24981 (2020).
6. C. Barri, E. Mafakheri, L. Fagiani, G. Tavani, A. Barzaghi, D. Chrastina, A. Fedorov, J. Frigerio, M. Lodari, F. Scotognella, E. Arduca, M. Abbarchi, M. Perego, and M. Bollani: Engineering of the spin on dopant process on silicon on insulator substrate, Nanotechnology 32, 025303 (2020).
7. A. Barzaghi, S. Firoozabadi, M. Salvalaglio, R. Bergamaschini, A. Ballabio, A. Beyer, M. Albani, J. Valente, A. Voigt, D. J. Paul, L. Miglio, F. Montalenti, K. Volz, , and G. Isella: Self-assembly of nanovoids in si microcrystals epitaxially grown on deeply patterned substrates, Cryst. Growth Des. 20, 2914 (2020).