Charge-orbital ordering and ferromagnetic chains in single-layered manganite crystals

被引：42

作者：

Kimura, T ^{[1
]}

Hatsuda, K

Ueno, Y

Kajimoto, R

Mochizuki, H

Yoshizawa, H

Nagai, T

Matsui, Y

Yamazaki, A

Tokura, Y

机构：

[1] Univ Tokyo, Dept Appl Phys, Tokyo 1138656, Japan

[2] Ochanomizu Univ, Dept Phys, Tokyo 1128610, Japan

[3] Univ Tokyo, ISSP, Neutron Scattering Lab, Ibaraki 3191106, Japan

[4] Natl Inst Mat Sci, Adv Mat Lab, Tsukuba, Ibaraki 3050044, Japan

[5] Waseda Univ, Dept Resources & Environm Engn, Tokyo 1698555, Japan

来源：

PHYSICAL REVIEW B | 2002年 / 65卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.65.020407

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The temperature- and doping-induced variation of structural, magnetic, and transport properties has indicated unique switching of spin-charge-orbital states in the Mn-O sheets of single-layered manganite crystals, Nd1-xSr1+xMnO4. In the composition range of 0.75<x<0.9, the magnetic ordering. with alternate straight ferromagnetic, chains occurs below T(N)approximate to150 K in the orthorhombically distorted sheets which perhaps originate from the orbital ordering at 270 K. In the crystals with commensurate doping levels (x=2/3 and 3/4), additional superlattice spots are observed with the propagation vectors [delta, delta, 0] [delta approximate to (1-x)/2]. suggestive of the charge-orbital ordering with zig-zag ferromagnetic chains.

引用

页码：1 / 4

页数：4

共 20 条

[1] Electronic phase separation and charge ordering in (Sr,La)(2)MnO4: Indication of triplet bipolarons [J].