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

页码：132402 / 1

页数：4

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