Journal
PHYSICAL REVIEW B
Volume 81, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.212409
Keywords
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Funding
- EU [FP7-215368, FP7-214499]
- MOEL OEFG, Czech Republic [GACR ON/06/E001, FON/06/E002, GACR P204/10/0330, GAAV IAA100100912, AV0Z10100520, AV0Z10100521, KAN400100652, LC510]
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Magnetic anisotropy phenomena in bimetallic antiferromagnets Mn2Au and MnIr are studied by first-principles density-functional theory calculations. We find strong and lattice-parameter-dependent magnetic anisotropies of the ground-state energy, chemical potential, and density of states, and attribute these anisotropies to combined effects of large moment on the Mn 3d shell and large spin-orbit coupling on the 5d shell of the noble metal. Large magnitudes of the proposed effects can open a route towards spintronics in compensated antiferromagnets without involving ferromagnetic elements.
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