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Monochiral helimagnetism in homochiral crystals of CsCuCl3

Y. Kousaka, T. Koyama, K. Ohishi, K. Kakurai, V. Hutanu, H. Ohsumi, T. Arima, A. Tokuda, M. Suzuki, N. Kawamura, A. Nakao, T. Hanashima, J. Suzuki, J. Campo, Y. Miyamoto, A. Sera, K. Inoue, and J. Akimitsu
Phys. Rev. Materials 1, 071402(R) – Published 12 December 2017

Abstract

We report a crystal growth method to obtain homochiral single crystals of CsCuCl3 and polarized neutron diffraction studies to examine the chiral helimagnetism of this compound. The homochiral crystals were grown by two-step crystallization. First, millimeter-sized seed crystals were synthesized by spontaneous crystallization with stirring. The handedness of the seed crystals was determined by x-ray diffraction. Then, centimeter-sized homochiral crystals were obtained from the selected homochiral seed crystals. The large homochiral crystals made it possible to perform polarized neutron diffraction. We clarified a strong correlation between the crystal and magnetic chiralities, which governs the nature of antisymmetric Dzyaloshinskii-Moriya interactions.

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  • Received 6 August 2017

DOI:https://doi.org/10.1103/PhysRevMaterials.1.071402

©2017 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Y. Kousaka1,2, T. Koyama3, K. Ohishi4, K. Kakurai4, V. Hutanu5, H. Ohsumi6, T. Arima7, A. Tokuda8, M. Suzuki9, N. Kawamura9, A. Nakao4, T. Hanashima4, J. Suzuki4, J. Campo10, Y. Miyamoto3, A. Sera3, K. Inoue2,3, and J. Akimitsu1,2

  • 1Research Institute for Interdisciplinary Science, Okayama University, Okayama, Okayama 700-8530, Japan
  • 2Center for Chiral Science, Hiroshima University, Higashi-hiroshima, Hiroshima 739-8526, Japan
  • 3Graduate School of Science, Hiroshima University, Higashi-hiroshima, Hiroshima 739-8526, Japan
  • 4Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society (CROSS), Tokai, Ibaraki 319-1106, Japan
  • 5Institute of Crystallography, RWTH Aachen University and Jülich Centre for Neutron Science (JCNS) at Heinz Maier-Leibnitz Zentrum (MLZ), 85747 Garching, Germany
  • 6RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan
  • 7Department of Advanced Materials Science, University of Tokyo Kashiwa, Chiba 277-8561, Japan
  • 8Department of Physics, Kwansei Gakuin University, Sanda, Hyogo 669-1337, Japan
  • 9Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198, Japan
  • 10Aragón Materials Science Institute (CSIC-University of Zaragoza), 50009 Zaragoza, Spain

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Issue

Vol. 1, Iss. 7 — December 2017

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