Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet

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  • Takashi Kurumaji
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  • Taro Nakajima
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  • Max Hirschberger
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  • Akiko Kikkawa
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  • Yuichi Yamasaki
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  • Hajime Sagayama
    Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan.
  • Hironori Nakao
    Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan.
  • Yasujiro Taguchi
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  • Taka-hisa Arima
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  • Yoshinori Tokura
    RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.

説明

<jats:title>Skyrmions in a frustrated magnet</jats:title> <jats:p> Skyrmions—tiny, topologically protected whirlpools of spin—have been investigated as potential information carriers in spintronic devices. Usually, skyrmions appear in noncentrosymmetric materials or at interfaces between materials. In contrast to this rule of thumb, Kurumaji <jats:italic>et al.</jats:italic> observed a skyrmion lattice phase in the centrosymmetric material Gd <jats:sub>2</jats:sub> PdSi <jats:sub>3</jats:sub> . The magnetic frustration present in this material helped stabilize the skyrmion phase, which was detected through transport measurements in magnetic field. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6456" page="914" related-article-type="in-this-issue" vol="365" xlink:href="10.1126/science.aau0968">914</jats:related-article> </jats:p>

収録刊行物

  • Science

    Science 365 (6456), 914-918, 2019-08-30

    American Association for the Advancement of Science (AAAS)

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