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Postdoctoral position at ESPCI, Institut Langevi ... (No replies)
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Modeling quantum transport at the nanoscale in disordered semiconductors
Institution
The work will take place at the Langevin Institute (ESPCI, CNRS UMR 7587), in the 5th arrondissement of Paris, under the supervision of Marcel Filoche. The Langevin Institute is renowned worldwide for its work on wave control in complex media.
Position description
Nitride-based III-N semiconductor alloys, such as InGaN, exhibit random local compositional fluctuations that have a profound impact on the structure of the electron and hole wave functions. Depending on the composition of the material and the energy considered, these wave functions can significantly depart from the Bloch waves found in a perfect crystal which are delocalized in the whole structure, and on the contrary localize exponentially at specific sites. The electronic transport is then deeply modified at the nanometric scale, especially at low energy, taking percolation paths through the structure.
The project will consist in developing a quantum model of transport at the nanoscale in these materials based on the localization landscape theory (Filoche & Mayboroda, PNAS 2012) in a Wigner-Weyl type approach (in phase space). The localization landscape theory is a recently developed and groundbreaking approach that sheds new light on the role of structural disorder in the formation of standing waves, and in particular quantum waves.
Profile
Required background:
Required education (or degree): Ph.D. thesis
Experience: wave physics, semiconductor physics, programming, numerical simulation by finite elements.
Hiring
Category: Post-doc
Salary: From 30,000€ to 45,000€ per year, depending on experience.
Position opened from: April 1st, 2023
Contact
Applications (CV, cover letter) should be sent by email to Marcel Filoche ([email protected]).
Location
Institut Langevin, 1, Rue Jussieu 75005 Paris