Magnetic field dependence of magnetic entropy change in nanocrystalline and polycrystalline manganites La1−xMxMnO3 (M=Ca,Sr)

2010 ◽  
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Marek Pękała
2011 ◽  
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Julia Lyubina ◽  
Michael D. Kuz’min ◽  
Konstantin Nenkov ◽  
Oliver Gutfleisch ◽  
Manuel Richter ◽  
...  

2011 ◽  
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Li Pi ◽  
Lei Zhang ◽  
Wei Tong ◽  
Langsheng Ling ◽  
...  

2013 ◽  
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P. Shamba ◽  
A. M. Strydom ◽  
J. L. Wang ◽  
S. X. Dou

2018 ◽  
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Yulong Shen ◽  
Xinxiu Ma ◽  
Shijie Chen ◽  
Jia Lin ◽  
...  

2009 ◽  
Vol 321 (1) ◽  
pp. L1-L3 ◽  
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Michael D. Kuz’min ◽  
Manuel Richter ◽  
Alexander M. Tishin

2009 ◽  
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...  

The magnetocaloric effect in La0.6Ca0.4MnO3 manganite has been investigated. The isothermal magnetization versus applied magnetic field at various temperatures in the vicinity of Curie temperature was measured, and the temperature dependence of magnetic entropy change was determined using Maxwell’s relation. This value is comparable to that in Gd. Nevertheless, the relative cooling power of La0.6Ca0.4MnO3 was shown to be considerably lower than that of Gd. The experimental results have been analyzed in frames of a phenomenological statistical model. This model considers explicitly Jahn-Teller interactions and allows prediction of the field dependences of the magnetic entropy change and the relative cooling power.


2011 ◽  
Vol 60 (10) ◽  
pp. 107501
Author(s):  
Cai Pei-Yang ◽  
Feng Shang-Shen ◽  
Chen Wei-Ping ◽  
Xue Shuang-Xi ◽  
Li Zhi-Gang ◽  
...  

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