Lattice effects on the charge-ordering transition in R0.5Sr1.5MnO4

被引：44

作者：

Moritomo, Y ^{[1
]}

Nakamura, A

Mori, S

Yamamoto, N

Ohoyama, K

Ohashi, M

机构：

[1] Nagoya Univ, Ctr Integrated Res Sci & Engn, Nagoya, Aichi 46401, Japan

[2] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan

[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 98077, Japan

来源：

PHYSICAL REVIEW B | 1997年 / 56卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.56.14879

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic and transport properties are investigated for single crystals of layered-type-doped manganites R0.5Sr1.5MnO4 with systematic variation of the averaged radius r(R) of the trivalent rare-earth ions R3+ La0.5Sr1.5MnO4 (R = La) shows a charge-ordering (CO) transition at T-CO = 230 K. With a decrease of the in-plane Mn-O bend length d(Mn-O(in)), T-CO decreases and eventually the transition disappears for R = Nd. Such a remarkable lattice effect on the CO transition is in sharp contrast to the negligible lattice effect in the isostructural layered nickelates.

引用

页码：14879 / 14882

页数：4

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