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Adv Mater. 2017 Jul;29(27). doi: 10.1002/adma.201605991. Epub 2017 May 08.

Large Magnetovolume Effect Induced by Embedding Ferromagnetic Clusters into Antiferromagnetic Matrix of Cobaltite Perovskite.

Advanced materials (Deerfield Beach, Fla.)

Ping Miao, Xiaohuan Lin, Akihiro Koda, Sanghyun Lee, Yoshihisa Ishikawa, Shuki Torii, Masao Yonemura, Takashi Mochiku, Hajime Sagayama, Shinichi Itoh, Kazutaka Ikeda, Toshiya Otomo, Yinxia Wang, Ryosuke Kadono, Takashi Kamiyama

Affiliations

  1. Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tokai, Ibaraki, 319-1106, Japan.
  2. Department of Materials Structure Science, Sokendai (The Graduate University for Advanced Studies), Tokai, Ibaraki, 319-1106, Japan.
  3. State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.
  4. National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0047, Japan.

PMID: 28480977 DOI: 10.1002/adma.201605991

Abstract

Materials that show negative thermal expansion (NTE) have significant industrial merit because they can be used to fabricate composites whose dimensions remain invariant upon heating. In some materials, NTE is concomitant with the spontaneous magnetization due to the magnetovolume effect (MVE). Here the authors report a new class of MVE material; namely, a layered perovskite PrBaCo

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: magnetovolume effect; muon spin relaxation; negative thermal expansion; neutron powder diffraction

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