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Observation of Enhanced Long-Range Ferromagnetic Order in B-Site Ordered Double Perovskite Oxide Cd2CrSbO6

  • Shengjie Liu
  • , Xiao Wang
  • , Zunyi Deng
  • , Xubin Ye
  • , Zhao Pan
  • , Dabiao Lu
  • , Haoting Zhao
  • , Jie Zhang
  • , Maocai Pi
  • , Zhiwei Hu
  • , Chien Te Chen
  • , Cheng Dong
  • , Yao Shen
  • , Tian Cui
  • , Yanping Huang
  • , Jiawang Hong*
  • , Zhenhua Chi*
  • , Youwen Long*
  • *此作品的通讯作者
  • CAS - Institute of Physics
  • Ningbo University
  • Beijing Institute of Technology
  • University of Chinese Academy of Sciences
  • Max Planck Institute for Chemical Physics of Solids
  • National Synchrotron Radiation Research Center Taiwan
  • CAS - Institute of Plasma Physics
  • Songshan Lake Materials Laboratory

科研成果: 期刊稿件文章同行评审

摘要

A B-site ordered double perovskite oxide Cd2CrSbO6 was synthesized under high-pressure and high-temperature conditions. The compound crystallizes to a monoclinic structure with a space group of P21/n. The charge configuration is confirmed to be that of Cd2+/Cr3+/Sb5+. The magnetic Cr3+ ions form a tetrahedral structural frustrated lattice, while a long-range ferromagnetic phase transition is found to occur at TC = 16.5 K arising from the superexchange interaction via the Cr-O-Cd-O-Cr pathway. Electrical transport measurements indicate that Cd2CrSbO6 is an insulator that can be described by the Mott 3D variable range hopping mechanism. First-principles calculations reproduce well the ferromagnetic and insulating ground state of Cd2CrSbO6 with an energy band gap of 1.55 eV. The intrinsic ferromagnetic insulating nature qualifies Cd2CrSbO6 as a promising candidate for possible spintronics applications.

源语言英语
页(从-至)19964-19971
页数8
期刊Inorganic Chemistry
63
42
DOI
出版状态已出版 - 21 10月 2024

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