spontaneous magnetostriction
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2020 ◽  
Vol 102 (1) ◽  
Author(s):  
Takayuki Tajiri ◽  
Masaki Mito ◽  
Yusuke Kousaka ◽  
Jun Akimitsu ◽  
Jun-ichiro Kishine ◽  
...  

2013 ◽  
Vol 114 (12) ◽  
pp. 985-991 ◽  
Author(s):  
L. A. Stashkova ◽  
V. S. Gaviko ◽  
N. V. Mushnikov ◽  
P. B. Terent’ev

2012 ◽  
Vol 580 ◽  
pp. 544-547
Author(s):  
Chun Jing Gao ◽  
Yan Ming Hao ◽  
Fei Fei Liang ◽  
Huai Gu Hu

The thermal expansion and magnetic properties of Gd2Fe16.5Cr0.5compound have been investigated by means of X-ray diffraction and magnetization measurements. The Gd2Fe16.5Cr0.5compound has a rhombohedral Th2Zn17-type structure. The Curie temperature of Gd2Fe16.5Cr0.5compound is about 560K. This value is about 50K higher than that value of the mother compound Gd2Fe17. A small average thermal expansion coefficient, = 1.65×10-6/K, and a negative average thermal expansion coefficient, = -1.46×10-5/K, were found in Gd2Fe16.5Cr0.5compound by X-ray diffraction in the temperature range 294 - 514K, and 514-613K, respectively. There exists anisotropic strong spontaneous magnetostriction in the magnetic state of Gd2Fe16.5Cr0.5compound.


2011 ◽  
Vol 29 (8) ◽  
pp. 772-775 ◽  
Author(s):  
Yanming HAO ◽  
Feifei LIANG ◽  
Xuemin ZHANG ◽  
Fang WANG ◽  
Yanzhao WU

2010 ◽  
Vol 168-169 ◽  
pp. 153-156
Author(s):  
S.M. Podgonykh ◽  
K.E. Bolotin

Spontaneous magnetization Ms of the ferromagnetic compound Mn5Ge3 with the Curie temperature TC=305 K has been studied in the temperature range from 2 to 400 K. The relationships between the magnetic part of the heat capacity (CMAG), the magnetic part of the volume thermal expansion coefficient (TEC) MAG, and the Ms for the compound Mn5Ge3 have been considered. It has been found that the magnetic part of the heat capacity can be well approximated by the dependence CMAG(T)=a×|dMs2/dT|–b×|dMs4/dT| with a>0 and b>0, and the magnetic part of the TEC, by the dependence  MAG=C1×dMs2/dT+C2×dMs4/dT with C1<0 and C2>0 in the whole temperature. It is assumed that the main sources in the formation of the observed CMAG(T) and MAG(T) dependences are the changes in the elastic, magnetoelastic, magnetovolume, and magnetostatic energies of the sample that appear as a result of the spontaneous magnetostrictive deformation with temperature changing.


2010 ◽  
Vol 19 (6) ◽  
pp. 067502 ◽  
Author(s):  
Hao Yan-Ming ◽  
Tan Ming ◽  
Wang Wei ◽  
Wang Fang

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