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Acta Physica Sinica (Overseas Edition), 1997, Vol. 6(6): 440-444    DOI: 10.1088/1004-423X/6/6/006
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

MAGNETIC PROPERTIES OF Dy2Fe17-xCrx AND Er2Fe17-xCrx(x=0-3)COMPOUNDS

HAO YAN-MING (郝延明), YAN QI-WEI (严启伟), ZHANG PAN-LIN (张泮霖), SUN XIANG-DONG (孙向东), WANG FANG-WEI (王芳卫), SHEN BAO-GEN (沈保根)
State Key Laboratory of Magnetism, Center for Condensed Matter Physics, Institute of Physics, Academia Sinca, Beijing 100080, China
Abstract  The crystal structure and magnetic properties of R2Fe17-xCrx(R=Dy,Er,0≤x≤3) compounds have been investigated by me ans of X-ray diffraction and magnetization measurements. These compounds have hexagonal Th2Ni17-type structure. The unit-cell volumes decrease with the increase of Cr concentration x. The Curie temperature Tc of the Er2Fe17-xCrx compounds increases from 320 K for x=0 to 403 K for x=1.0 and then decreases with further increase of x. The Cur ie temperat ure Tc of Dy2Fe17-xCrx compounds increases from 364 K for x=0 to 435 K for x=1.0 and then decreases with further increase of x. The saturation magnetization of these compounds shows an approximately linear decrease with the increase of x. Spin reorientation transitions occur s in Er2Fe17-xCrx(x=2.0 and 3.0).
Received:  12 February 1996      Revised:  23 December 1996      Accepted manuscript online: 
PACS:  61.66.Dk (Alloys )  
  75.30.Cr (Saturation moments and magnetic susceptibilities)  
  75.50.Bb (Fe and its alloys)  
  61.05.cp (X-ray diffraction)  
  75.60.Ej (Magnetization curves, hysteresis, Barkhausen and related effects)  
  75.30.Kz (Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.))  
Fund: Project supported by the National Natural Science Foundation of China.

Cite this article: 

HAO YAN-MING (郝延明), YAN QI-WEI (严启伟), ZHANG PAN-LIN (张泮霖), SUN XIANG-DONG (孙向东), WANG FANG-WEI (王芳卫), SHEN BAO-GEN (沈保根) MAGNETIC PROPERTIES OF Dy2Fe17-xCrx AND Er2Fe17-xCrx(x=0-3)COMPOUNDS 1997 Acta Physica Sinica (Overseas Edition) 6 440

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