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Computational magnetism and spintronics

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Electricity and Magnetism II

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Online Spintronics Seminar Series

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Spin-orbit torque: Co/Pt, thickness dependence
Magnetic materials: EuO, Fe₈N₂, Cr₂O₃, Fe₂TeO₆, NiMnSb, Fe_1-xMn_xPt.
Magnetic anisotropy in alloys: [1], [2], [3].
Ferropnictides: [1], [2], [3].
Phase transitions: Cr₂O₃ (0001) surface, Gd:EuO.
Magnetoelectrics: EB control, boundary, imaging. switching.
Spin fluctuations and resistivity: LSF, Fe & Ni, Gd-Tm, DLM, saturation.
Spintronics: TAMR, Fe/GaAs, spin injection, spin loss.
Tunnel junctions: Co/vacuum, Co/Al₂O₃, Fe/MgO, Co/SrTiO₃, review.
Alloys: CLDM, Fe-Au.

News and updates

Online Spintronics Seminar Series: cutting-edge research talks
8/11/20: Voltage-controlled magnetic anisotropy in antiferromagnetic MgO-capped MnPt films
3/29/20: Generalized magnetoelectronic circuit theory and spin relaxation at interfaces
2/24/20: Effects of intrinsic defects and alloying with Fe on the half-metallicity of Co₂MnSi
8/7/19: Interfacial contributions to spin-orbit torque and magnetoresistance in FM/HM bilayers
7/17/19: Questaal: a package of electronic structure methods based on the LMTO technique
12/12/18: Influence of strain and chemical substitution on the magnetic anisotropy of Cr₂O₃
10/26/18: First-principles calculation of spin-orbit torque in a Co/Pt bilayer

Highlights

Proximitized Materials in Materials Today
Theory of spin loss at metallic interfaces (invited talk at the APS March Meeting, see also this paper)
Effects of thermal spin fluctuations on the electronic properties of itinerant magnets (talk at SPICE-Workshop on Computational Quantum Magnetism, Mainz, May 2015)
Exotic behavior of magnetocrystalline anisotropy in (Fe_1-xCo_x)₂B (PRL 2015, APL 2015) and Mn_1-xPt_1+x (PRM 2018) alloys
Construction of magnetic phase diagrams in alloys from first principles (PRL 2015)
Effects of thermal spin disorder and excess Mn on the half-metallic gap in NiMnSb (PRB Rapid Comm 2015)
Microscopic, first-principles model of strain-induced interaction in concentrated size-mismatched alloys (PRB 2014)
Biquadratic interaction in ferropnictides (Nature Physics 2011)
Imaging and control of surface magnetization domains in a magnetoelectric antiferromagnet (PRL 2011)
Robust isothermal electric control of exchange bias at room temperature (Nature Materials 2010, PRL 2010)

Current research projects