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Tuning Perpendicular Magnetic Anisotropy by Oxygen Octahedral Rotations in (La_{1-x}Sr_{x}MnO_{3})/(SrIrO_{3}) Superlattices.
Yi, Di; Flint, Charles L; Balakrishnan, Purnima P; Mahalingam, Krishnamurthy; Urwin, Brittany; Vailionis, Arturas; N'Diaye, Alpha T; Shafer, Padraic; Arenholz, Elke; Choi, Yongseong; Stone, Kevin H; Chu, Jiun-Haw; Howe, Brandon M; Liu, Jian; Fisher, Ian R; Suzuki, Yuri.
Afiliación
  • Yi D; Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA.
  • Flint CL; Department of Applied Physics, Stanford University, Stanford, California 94305, USA.
  • Balakrishnan PP; Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA.
  • Mahalingam K; Department of MSE, Stanford University, Stanford, California 94305, USA.
  • Urwin B; Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA.
  • Vailionis A; Department of Physics, Stanford University, Stanford, California 94305, USA.
  • N'Diaye AT; Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio 45433, USA.
  • Shafer P; Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio 45433, USA.
  • Arenholz E; Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA.
  • Choi Y; Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Stone KH; Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Chu JH; Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Howe BM; Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Liu J; SSRL, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
  • Fisher IR; Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA.
  • Suzuki Y; Department of Applied Physics, Stanford University, Stanford, California 94305, USA.
Phys Rev Lett ; 119(7): 077201, 2017 Aug 18.
Article en En | MEDLINE | ID: mdl-28949659
Perpendicular magnetic anisotropy (PMA) plays a critical role in the development of spintronics, thereby demanding new strategies to control PMA. Here we demonstrate a conceptually new type of interface induced PMA that is controlled by oxygen octahedral rotation. In superlattices comprised of La_{1-x}Sr_{x}MnO_{3} and SrIrO_{3}, we find that all superlattices (0≤x≤1) exhibit ferromagnetism despite the fact that La_{1-x}Sr_{x}MnO_{3} is antiferromagnetic for x>0.5. PMA as high as 4×10^{6} erg/cm^{3} is observed by increasing x and attributed to a decrease of oxygen octahedral rotation at interfaces. We also demonstrate that oxygen octahedral deformation cannot explain the trend in PMA. These results reveal a new degree of freedom to control PMA, enabling discovery of emergent magnetic textures and topological phenomena.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos