Correlation Between Magnetovolume and Colossal Magnetoresistance Effects in Terbium Doped La-Sr-Mn-O Perovskite
WU Jian1,2 , ZHANG Shi-Yuan2 , YIN Shi-Long1 , CAO Qing-Qi2 , GU Kun-Ming2 , DU You-Wei2
1 Mathematics and Physics Department, Hohai University, Nanjing 210098
2 National Laboratory of Solid State Microstructure Physics and Department of Physics, Nanjing University, Nanjing 210093
Correlation Between Magnetovolume and Colossal Magnetoresistance Effects in Terbium Doped La-Sr-Mn-O Perovskite
WU Jian1,2 ;ZHANG Shi-Yuan2 ;YIN Shi-Long1 ;CAO Qing-Qi2 ;GU Kun-Ming2 ;DU You-Wei2
1 Mathematics and Physics Department, Hohai University, Nanjing 210098
2 National Laboratory of Solid State Microstructure Physics and Department of Physics, Nanjing University, Nanjing 210093
关键词 ：
75.80.+q ,
75.70.Pa
Abstract ： (La0.67 Tb0.33 )2/3 Sr1/3 MnO3 has been studied in order to probe mechanisms responsible for the giant magnetore-sistance ratios and the lattice effect in this kind of compound. The experiment has shown a strong connection between the magnetotransport and magnetovolume properties. An applied magnetic field not only gives rise to a large negative magnetoresistance (-900%) but also produces two different magnetovolume effects which reflect two different magnetostriction mechanisms in the compound.
Key words ：
75.80.+q
75.70.Pa
出版日期: 2000-05-01
引用本文:
WU Jian;ZHANG Shi-Yuan;YIN Shi-Long;CAO Qing-Qi;GU Kun-Ming;DU You-Wei
. Correlation Between Magnetovolume and Colossal Magnetoresistance Effects in Terbium Doped La-Sr-Mn-O Perovskite[J]. 中国物理快报, 2000, 17(5): 373-375.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2000/V17/I5/373
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2000, Vol. 17 
