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Phys Rev Lett. 2015 Apr 10;114(14):147205. doi: 10.1103/PhysRevLett.114.147205. Epub 2015 Apr 08.

All-in-all-out magnetic domains: x-ray diffraction imaging and magnetic field control.

Physical review letters

Samuel Tardif, Soshi Takeshita, Hiroyuki Ohsumi, Jun-ichi Yamaura, Daisuke Okuyama, Zenji Hiroi, Masaki Takata, Taka-hisa Arima

Affiliations

  1. RIKEN, SPring-8 Center, Sayo, Hyogo 679-5148, Japan.
  2. MCES, Tokyo Institute of Technology, Kanagawa 226-8503, Japan.
  3. RIKEN, CEMS, Wako, Saitama 351-0198, Japan.
  4. ISSP, University of Tokyo, Kashiwa 277-8581, Japan.
  5. Department of Advanced Materials Science, University of Tokyo, Kashiwa 277-8561, Japan.
  6. JASRI, SPring-8, Sayo, Hyogo 679-5148, Japan.

PMID: 25910160 DOI: 10.1103/PhysRevLett.114.147205

Abstract

Long-range noncollinear all-in-all-out magnetic order has been directly observed for the first time in real space in the pyrochlore Cd_{2}Os_{2}O_{7} using resonant magnetic microdiffraction at the Os L_{3} edge. Two different antiferromagnetic domains related by time-reversal symmetry could be distinguished and have been mapped within the same single crystal. The two types of domains are akin to magnetic twins and were expected-yet unobserved so far-in the all-in-all-out model. Even though the magnetic domains are antiferromagnetic, we show that their distribution can be controlled using a magnetic field-cooling procedure.

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