NEUTRON-POWDER-DIFFRACTION STUDY OF ErFe11.35Nb0.65 AND ErFe11.35Nb0.65Ny
SUN XIANG-DONG (孙向东)a, Yan Qi-wei (严启伟)a, Zhang Pan-lin (张泮霖)a, Hu Bo-ping (胡伯平)b, Wang Kai-ying (王开鹰)b, Wang Yi-zhong (王亦忠)b
a State Key Laboratory of Magnetism, Institute of Physics, Academia Sinica, Beijing 100080, China; b San Huan Research Laboratory, Academia Sinica, Beijing 100080, China
Abstract ErFe11.35Nb0.65 AND ErFe11.35Nb0.65Ny have been synthesized and neutron-powder-diffraction experiments at room temperature performed. The ErFe11.35Nb0.65Ny nitride, obtained by gas-solid reaction, retains the ThMn12-type structure of its parent compound. The Nb atoms occupy 8i sites and the nitrogen atoms are located at 2b sites. The atomic magnetic moments of the Er ions are antiparallel to those of the Fe atoms. Upon nitrogenation, the lattice cell expands mainly along the a-axis and the atomic magnetic moments of Fe are enhanced.
Received: 12 April 1995
Accepted manuscript online:
PACS:
81.20.-n
(Methods of materials synthesis and materials processing)
SUN XIANG-DONG (孙向东), Yan Qi-wei (严启伟), Zhang Pan-lin (张泮霖), Hu Bo-ping (胡伯平), Wang Kai-ying (王开鹰), Wang Yi-zhong (王亦忠) NEUTRON-POWDER-DIFFRACTION STUDY OF ErFe11.35Nb0.65 AND ErFe11.35Nb0.65Ny 1995 Acta Physica Sinica (Overseas Edition) 4 912
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