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Acta Physica Sinica (Overseas Edition), 1994, Vol. 3(6): 460-469    DOI: 10.1088/1004-423X/3/6/009
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev  

MAGNETIC PROPERTIES OF NEW SERIES R-Mo-Fe NITRIDES WITH THE ThMn12-TYPE STRUCTURE AT A LOWER Mo CONTENT

PAN QI (潘琪), ZHANG XIAO-DONG (张晓东), ZHANG MING-HOU (张明厚), YANG YING-CHANG (杨应昌)
Department of Physics, Peking University, Beijing 100871, China
Abstract  A systematic study has been made on formation condition, crystallographic structure and magnetic properties of RMo1.5Fe10.5Nx, where R=Y, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er. The interstitial nitrogen atom effects on Curie temperature, saturation magnetization and magneto-crystalline anisotropy have been investigated. Two important preliminary results have been obtained. (1) A single phase crystallized in the ThMn12-type structure was stabilized with a smaller content of molybdenum, thus, the compounds possess a higher Curie temperature and a larger spontaneous magnetization. (2) A complete system of compounds with 1:12 type structure containing the light rare earth cerium and praseodymium was synthesized, which will be favorable for developing new rare earth hard magnetic materials.
Received:  03 December 1992      Accepted manuscript online: 
PACS:  75.30.Gw (Magnetic anisotropy)  
  75.30.Kz (Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.))  
  61.72.J- (Point defects and defect clusters)  
  75.50.Vv (High coercivity materials)  
  75.60.Ej (Magnetization curves, hysteresis, Barkhausen and related effects)  
Fund: Project supported by the National Natural Science Foundation of China, and the State Key Laboratory of Magnetism, Chinese Academy of Sciences.

Cite this article: 

PAN QI (潘琪), ZHANG XIAO-DONG (张晓东), ZHANG MING-HOU (张明厚), YANG YING-CHANG (杨应昌) MAGNETIC PROPERTIES OF NEW SERIES R-Mo-Fe NITRIDES WITH THE ThMn12-TYPE STRUCTURE AT A LOWER Mo CONTENT 1994 Acta Physica Sinica (Overseas Edition) 3 460

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