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Magnetic phase transitions in 187-01187-01187-01 |
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| Authors: | Jun Akimitsu Jiro Amano Masaki Yoshinari Michio Kokubun Tatsuya Iwasaki Satoshi Okuma Nobuhiko Nishida Kusuo Nishiyama Nobuo Mori |
| Affiliation: | (1) Department of Physics, Aoyama-Gakuin University, Chitosedai, Setagaya-ku, 157 Tokyo, Japan;(2) Department of Physics, Tokyo Institute of Technology, Ohokayama, Meguro-ku, 152 Tokyo, Japan;(3) Meson Science Laboratory, University of Tokyo, Bunkyo-ku, 103 Tokyo, Japan;(4) Institute for Solid State Physics, University of Tokyo, Roppongi, 106 Minato-ku, Japan |
| Abstract: | We report SR measurements of Pr2CuO4– and (Pr2–xCex)CuO4– single crystals in the temperature range 4.2K 300K. Two spin reorientation phase transitions were observed, although neutron scattering experiment could not detect these phase transitions. These allow us to conclude that magnetic moments of the Cu atoms order in an antiferromagnetic noncollinear cross like structure including a hidden canting spin arrangement. |
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