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説明:

The spin reorientation in rare-earth intermetallics involve distinctive magnetic morphologies commencing with spontaneous skyrmion textures without an external magnetic field. Here, we present the sputtering growth of CaCu5-type NdCo5-xCux thin films on MgO (110) substrate. Our films exhibit the two successive spin reorientation transitions between the ab-plane and the c-axis, close to the room temperature, apart from the non-uniaxial behavior below 150 K. The corresponding modulations of magnetocrystalline anisotropy at reorientation temperatures leads to the large topological Hall effect, which can be maintained up to 250 K. These results of robust topological signals will provide platforms for realizing room-temperature topological magnetic textures.

権利情報:

• In Copyright
  

  This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Satoshi Sugimoto, Yukiko K. Takahashi, Shinya Kasai; Near-room temperature topological Hall effect at spin reorientations in sputtered NdCo5−xCux thin film. Appl. Phys. Lett. 31 October 2022; 121 (18): 182404 and may be found at https://doi.org/10.1063/5.0128572.

キーワード: Topological transport

刊行年月日: 2022-10-31

出版者: AIP Publishing

掲載誌:

• Applied Physics Letters (ISSN: 00036951) vol. 121 issue. 18 182404

研究助成金:

• Japan Society for the Promotion of Science JP20K14419
• Precursory Research for Embryonic Science and Technology JPMJPR18L3

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1063/5.0128572

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更新時刻: 2025-03-26 17:25:53 +0900

MDRでの公開時刻: 2025-03-26 17:25:53 +0900