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8 papers · 2 filters
Green function theory of orbital magnetic moment of interacting electrons in solids
F. Aryasetiawan, K. Karlsson, T. Miyake
A general formula for the orbital magnetic moment of interacting electrons in solids is derived using the many-electron Green function method. The formula factorizes into two parts…
Observation of a topologically non-trivial surface state in half-Heusler PtLuSb (001) thin films
J. A. Logan, S. J. Patel, S. D. Harrington +6
The discovery of topological insulators (TIs), materials with bulk band gaps and protected cross-gap surface states, in compounds such as Bi2Se3 has generated much interest in iden…
Xe Irradiation of Graphene on Ir(111): From Trapping to Blistering
Charlotte Herbig, E. Harriet Åhlgren, Ulrike A. Schröder +6
Using X-ray photoelectron spectroscopy, thermal desorption spectroscopy, and scanning tunneling microscopy we show that upon keV Xe + irradiation of graphene on Ir(111), Xe atoms a…
Intrinsic femtosecond charge generation dynamics in a single crystal organometal halide perovskite
David A. Valverde-Chávez, Carlito Ponseca, Constantinos Stoumpos +4
Hybrid metal-organic perovskite solar cells have astounded the solar cell community with their rapid rise in efficiency over the past three years. Despite this success, the basic p…
Effect of Misfit Strain in (Ga,Mn)(Bi,As) Epitaxial Layers on their Magnetic and Magneto-Transport Properties
K. Levchenko, T. Andrearczyk, J. Z. Domagala +5
Effect of misfit strain in the layers of (Ga,Mn)(Bi,As) quaternary diluted magnetic semiconductor, epitaxially grown on either GaAs substrate or (In,Ga)As buffer, on their magnetic…
Atomistic theory
Craig Pryor, Mats-Erik Pistol
Pseudopotentials, tight-binding models, and theory have stood for many years as the standard techniques for computing electronic states in crystalline solids. Here we pr…