Stretched exponential behavior in remanent lattice striction of a (La,Pr)1.2Sr1.8Mn2O7 bilayer manganite single crystal -: art. no. 132402

被引：13
|
作者：
Matsukawa, M [1 ]
Chiba, M
Akasaka, A
Suryanarayanan, R
Apostu, M
Revcolevschi, A
Nimori, S
Kobayashi, N
机构：
[1] Iwate Univ, Dept Mat Sci & Technol, Morioka, Iwate 0208551, Japan
[2] Univ Paris 11, CNRS, UMR 8648, Lab Physicochim Etat Solide, F-91405 Orsay, France
[3] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
[4] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
PHYSICAL REVIEW B | 2004年 / 70卷 / 13期
关键词：
D O I：
10.1103/PhysRevB.70.132402
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated the time dependence of remanent magnetostriction in a (La,Pr)(1.2)Sr1.8Mn2O7 single crystal in order to examine the slow dynamics of lattice distortion in bilayered manganites. A competition between double-exchange and Jahn-Teller-type orbital-lattice interactions results in the observed lattice profile following a stretched exponential function. This finding suggests that spatial growth of the local lattice distortions coupled with e(g)-electron orbital strongly correlates with the appearance of the field-induced colossal magnetoresonance effect.
引用
收藏
页码：132402 / 1
页数：4
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