High-temperature multiferroicity and strong magnetocrystalline anisotropy in 3d-5d double perovskites
作者： Marjana Ležaić , Nicola A. Spaldin
DOI: 10.1103/PHYSREVB.83.024410
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摘要: Using density functional calculations we explore the properties of as-yet-unsynthesized 3d-5d ordered double perovskites (A(2)BB'O-6) with highly polarizable Bi3+ ions on A site. We find that Bi2NiReO6 and Bi2MnReO6 compounds are insulating exhibit a robust net magnetization persists above room temperature. When in-plane lattice vectors pseudocubic unit cell constrained to be orthogonal (for example, by coherent heteroepitaxy), ground states ferroelectric large polarization very uniaxial magnetocrystalline anisotropy easy axis along direction. Our results suggest route multiferroism electrically controlled orientation at
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