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20 papers
Enhanced Ferromagnetism in Monolayer Cr2Te3 via Topological Insulator Coupling
Yunbo Ou, Murod Mirzhalilov, Norbert M. Nemes +20
Exchange-coupled interfaces are pivotal in exploiting two-dimensional (2D) ferromagnetism. Due to the extraordinary correlations among charge, spin, orbital and lattice degrees of…
Strain-tunable Berry curvature in quasi-two-dimensional chromium telluride
Hang Chi, Yunbo Ou, Tim B. Eldred +22
Magnetic transition metal chalcogenides form an emerging platform for exploring spin-orbit driven Berry phase phenomena owing to the nontrivial interplay between topology and magne…
Distinct quantum anomalous Hall ground states induced by magnetic disorders
Chang Liu, Yunbo Ou, Yang Feng +8
The quantum anomalous Hall (QAH) effect in magnetic topological insulator (TI) represents a new state of matter originated from the interplay between topology and magnetism. The de…
Ultrafast carrier-lattice interactions and interlayer modulations of Bi2Se3 by X-ray free electron laser diffraction
Sungwon Kim, Youngsam Kim, Jaeseung Kim +20
As a 3D topological insulator, bismuth selenide (Bi2Se3) has potential applications for electrically and optically controllable magnetic and optoelectronic devices. How the carrier…
Strain-Tuned Magnetic Anisotropy in Sputtered Thulium Iron Garnet Ultrathin Films and TIG/Au/TIG Valve Structures
Gilvânia Vilela, Hang Chi, Gregory Stephen +6
Defining the magnetic anisotropy for in-plane or out-of-plane easy axis in ferrimagnetic insulators films by controlling the strain, while maintaining high-quality surfaces, is des…
Do topology and ferromagnetism cooperate at the EuS/BiSe interface?
J. A. Krieger, Y. Ou, M. Caputo +10
We probe the local magnetic properties of interfaces between the insulating ferromagnet EuS and the topological insulator BiSe using low energy muon spin rotation (LE-SR…