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2005
Structure
D 2000
01- 006
Crystal Structure and Magnetic Properties of Nd4Ga2O9 and Sm4Ga 2O9. —
The title compounds are synthesized by solid state reactions of Nd2O3, Sm2O3, and
Ga2O3 (1400 °C, 8 h). The compounds crystallize in the monoclinic space group P21/c
as revealed by powder XRD. The Ga atoms are in the center of distorted oxygen tetrahedra whereas the rare earth atoms are six- or sevenfold coordinated by oxygen. The O
atoms are threefold and fourfold coordinated. Both compounds exhibit paramagnetism.
— (LIU*, F. S.; LIU, Q. L.; LIANG, J. K.; SONG, G. B.; LUO, J.; YANG, L. T.;
ZHANG, Y.; RAO, G. H.; J. Alloys Compd. 381 (2004) 1-2, 26-31; Inst. Phys., Chin.
Acad. Sci., Beijing 100080, Peop. Rep. China; Eng.) — W. Pewestorf
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