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Theory and computation of Hall scattering factor in graphene
Francesco Macheda, Samuel Poncé, Feliciano Giustino +1
The Hall scattering factor, , is a key quantity for establishing carrier concentration and drift mobility from Hall measurements; in experiments it is usually assumed to be 1. I…
Limits to Electrical Mobility in Lead-Halide Perovskite Semiconductors
Chelsea Q. Xia, Jiali Peng, Samuel Poncé +11
Semiconducting polycrystalline thin films are cheap to produce and can be deposited on flexible substrates, yet high-performance electronic devices usually utilize single-crystal s…
Superconducting properties of MoTe from the anisotropic Migdal-Eliashberg theory
Hari Paudyal, Samuel Poncé, Feliciano Giustino +1
Molybdenum ditelluride (MoTe) is attracting considerable interest since it is the archetypal type-II Weyl semimetal and a candidate for topological superconductivity. We invest…
First-principles predictions of Hall and drift mobilities in semiconductors
Samuel Ponce, Francesco Macheda, Elena Roxana Margine +3
Significant progress on parameter-free calculations of carrier mobilities in real materials has been made during the past decade; however, the role of various approximations remain…