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@INPROCEEDINGS{Kousaka:859528,
      author       = {Kousaka, Y. and Ohishi, K. and Kakurai, K. and Hutanu, V.
                      and Campo, J. and Ohara, S. and Suzuki, J. and Inoue, K. and
                      Akimitsu, J.},
      title        = {{P}olarized {N}eutron {D}iffraction {S}tudies in
                      {I}norganic {C}hiral {M}agnetic {C}ompounds},
      reportid     = {FZJ-2019-00380},
      year         = {2018},
      abstract     = {The concept of chirality, meaning left- or
                      right-handedness, plays an essential role insymmetry
                      properties of nature at all length scales from elementary
                      particles to cosmic science.In material sciences, it is very
                      important to understand the chirality in molecules, crystals
                      andmagnetic structures both from theoretical and
                      experimental viewpoints. Systematicunderstanding of
                      interplay between crystallographic structure and magnetic
                      ordering has beenan important topic in the field of
                      magnetism. Chiral helimagnetic ordering, forming onlyright-
                      or left-handed spiral magnetic structure, has attract much
                      attention due to uniquemagnetic textures such as skyrmion
                      and chiral magnetic soliton lattice [1, 2]. Therefore, it
                      isvery important to investigate interplay between
                      crystallographic and helimagnetic chiralitybecause sense of
                      the helical spin structure depends on the right- or
                      left-handed chiral crystalstructure that allows an
                      asymmetric Dzyaloshinskii-Moriya interaction. However, there
                      havebeen few experimental results on the interplay between
                      crystallographic and magneticchirality due to the difficulty
                      to synthesize homo-chiral single crystals, having only
                      right- orleft-handed crystalline domains.First, we will
                      present our unique crystallization technique for inorganic
                      chiral compounds.By adapting our crystallization technique,
                      we succeeded in obtaining the cm-orderedhomo-chiral single
                      crystals with desired handedness. Second, we will present
                      our polarizedneutron diffraction studies in chiral magnetic
                      compounds CsCuCl3 and YbNi3Al9, performedon BL15 (TAIKAN) at
                      the MLF of J-PARC in Japan, and on instrument POLI
                      atMaier-Leibnitz Zentrum (MLZ) in Germany. We observed
                      magnetic satellite intensity,depending on neutron
                      polarization. Our experimental data revealed that the
                      handedness of themagnetic helicity is coupled and directly
                      controlled by the crystallographic lattice chirality.The
                      results could be understood in terms of DM interaction
                      strongly coupled to the lattice.References:1. S. Muhlbauer,
                      B. Binz, F. Jonietz, C. Pfleiderer, A. Rosch, A. Neubauer,
                      R. Georgii and P.Böni, Science 323, 915 (2009).2. Y.
                      Togawa, T. Koyama, K. Takayanagi, S. Mori, Y. Kousaka, J.
                      Akimitsu, S. Nishihara, K.Inoue, A. Ovchinnikov and J.
                      Kishine, Phys. Rev. Lett. 108, 107202 (2012).},
      month         = {Apr},
      date          = {2018-04-29},
      organization  = {6th international conference on
                       superconductivity and magnetism,
                       Beldibi, Antalya (Turkey), 29 Apr 2018
                       - 4 May 2018},
      subtyp        = {Invited},
      cin          = {JCNS-FRM-II / JCNS-2 / JARA-FIT},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {524 - Controlling Collective States (POF3-524) / 6212 -
                      Quantum Condensed Matter: Magnetism, Superconductivity
                      (POF3-621) / 6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich
                      Centre for Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-524 / G:(DE-HGF)POF3-6212 /
                      G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)POLI-HEIDI-20140101},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/859528},
}