Evidence of antiferroquadrupolar ordering of DyB2C2
作者： Yoshikazu Tanaka , Toshiya Inami , Tetsuya Nakamura , Hiroki Yamauchi , Hideya Onodera
DOI: 10.1088/0953-8984/11/44/102
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摘要: The antiferroquadrupolar ordering in DyB2C2 has been investigated using the x-ray resonant scattering technique. dependence of intensities two superlattice peaks on temperature, azimuthal angle, and energy incident x-rays was measured. results show that antiferroquadrupole ordering, which accompanies a structural phase transition, exists below TQ = 25 K. A model for propagation vectors are (0,0,1/2) (0,1,1/2), is presented.
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