Triangular spin configuration and weak ferromagnetism of Mn3Sn and Mn3Ge |
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| Authors: | T Nagamiya S Tomiyoshi Y Yamaguchi |
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| Institution: | 3-9-16, Nigawa-Takamaru, Takarazuka 665, Japan;The Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai 980, Japan |
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| Abstract: | Polarized-neutron diffraction by Mn3Sn and Mn3Ge in magnetic field reveals that the spin triangle coincides with the c-plane, is the inversion of the atomic triangle, and rotates opposite to the rotation of the c-plane component of magnetic field. Theory predicts that the inverted spin triangle is free to rotate and the associated weak ferromagnetic moment rotates oppositely. |
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