Cluster coexistence state in strongly correlation La0.5Ca0.5MnO3 manganites
Cluster coexistence state in strongly correlation La0.5Ca0.5MnO3 manganites
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DOI：
10.1016/j.physb.2007.10.333
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发表时间：
2008-04
影响因子：
2.8
通讯作者：
Jincang Zhang;Liming Yu;G. Cao;Q. Yu;M. Q. Chen;S. Cao
中科院分区：
文献类型：
--
作者：
Jincang Zhang;Liming Yu;G. Cao;Q. Yu;M. Q. Chen;S. Cao
The magnetic and electrical transport properties of La{sub 0.5}Ca{sub 0.5}MnO{sub 3} were investigated. The results show that there exists the Anderson localization of the charge carriers and it originates from the disorder due to the variance of ionic size. The present experimental results prove the coexistence of FM clusters and spin glass clusters in the background of AFM matrix. These can be explained by the bandgap modified locally by strain within each grain and the disorder due to the variance of t and {sigma}{sup 2}.
