INCOMMENSURATE MAGNETIC FLUCTUATIONS IN LA2-XSRXCUO4

被引：541

作者：

CHEONG, SW

AEPPLI, G

MASON, TE

MOOK, H

HAYDEN, SM

CANFIELD, PC

FISK, Z

CLAUSEN, KN

MARTINEZ, JL

机构：

[1] RISO NATL LAB,DK-4000 ROSKILDE,DENMARK

[2] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831

[3] UNIV BRISTOL,HH WILLS PHYS LAB,BRISTOL BS8 1TL,AVON,ENGLAND

[4] UNIV CALIF LOS ALAMOS SCI LAB,LOS ALAMOS,NM 87545

[5] INST MAX VON LAUE PAUL LANGEVIN,F-38042 GRENOBLE,FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.67.1791

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We use inelastic neutron scattering to establish the modulation vectors-delta and correlation lengths for the incommensurate magnetic fluctuations in metallic samples of La2-xSrxCuO4 with x = 0.075 and 0.14. In notation appropriate for a square lattice where the magnetic instability in the undoped case occurs at (pi,pi), the vectors-delta are along (pi,0) and (0,pi). The correlation length-zeta is larger than the distance between carriers, is weakly dependent on chi, and changes significantly between 12 and 100 K for both compositions.

引用

页码：1791 / 1794

页数：4

共 28 条

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