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Ab-initio overestimation of the topological region in Eu-based compounds
Giuseppe Cuono, Raghottam M. Sattigeri, Carmine Autieri +1
An underestimation of the fundamental band gap values by the density functional theory within the local density approximation and associated approaches is a well-known challenge of…
Realization of the Chern insulator and Axion insulator phases in antiferromagnetic -- heterostructures
N. Pournaghavi, M. F. Islam, Rajibul Islam +3
Breaking time-reversal symmetry in three-dimensional topological insulator thin films can lead to different topological quantum phases, such as the Chern insulator (CI) phase, and…
Magnetism in (Ga,Mn)As Thin Films With TC Up To 173K
K. Y. Wang, R. P. Campion, K. W. Edmonds +4
We have investigated the magnetic properties of (Ga,Mn)As thin films with Mn concentration between 1 and 9%. Ferromagnetic transition temperatures TC of up to 173K are observed. Th…