Magnetic Structure and Weak Ferromagnetism of Mn_3Sn Studied by Polarized Neutron Diffraction
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概要
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The magnetic structure and weak ferromagnetism of Mn.Sn were studied bypolarized neutron diffraction at room temperature. The flipping ratio was meas-tu'ed for a number of Bragg reflections by rotating the crystal about the scatteringvector under a magnetic field of 8 kOe applied perpendicular to the scatteringvector. It was found that the spin structure has a triangular configuration ofinverse geometry in the c-plane and the triangle rotates opposite to the rotationof the c-plane field component. From the analysis of the anisotropy energy it wasshown that the triangle of inverse geometry is stabilized by the Dzyaloshinski-Moriya interaction and the weak ferromagnetic moment appears from the mech-anism that each spin in the inverse triangle tilts slightly toward its easy axis. Itwas also shown thxt the weak ferromagnetic moment rotates just opposite to therotation of the triangle.
- 社団法人日本物理学会の論文
- 1982-08-15
著者
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Yamaguchi Yasuo
The Research Institute For Iron Steel And Other Metals
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Tomiyoshi Shoichi
The Research Institute For Iron Steel And Other Metals
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