NMR study of double perovskite Sr2FeMoO6

被引：40

作者：

Kapusta, C ^{[1
]}

Riedi, PC

Zajac, D

Sikora, M

De Teresa, JM

Morellon, L

Ibarra, MR

机构：

[1] Stanislaw Staszic Univ Min & Met, Fac Phys & Nucl Techniques, Dept Solid State Phys, PL-30059 Krakow, Poland

[2] Univ St Andrews, Dept Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

[3] Univ Zaragoza, Fac Ciencias, CSIC, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2002年 / 242卷

基金：

英国工程与自然科学研究理事会;

关键词：

NMR-spin echo; hyperfine fields - magnetic; local moments; magnetoresistance;

D O I：

10.1016/S0304-8853(01)00998-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The NMR spin-echo spectra measured on a powder sample of Sr2FeMoO6 at 3 and 77 K at zero field and in an applied magnetic field are reported. The main resonance line at 68.5 MHz in zero magnetic field at 3 K is identified Lis originating from Mo-95 and Mo-97. The resonance frequency and its shift in the applied field correspond to a hyperfine field of 24T at the Mo nucleus. parallel to the magnetisation. This large field indicates the presence of a magnetic moment of the order of 0.6 mu(B) at the Mo site antiparallel to he Fe moments. The relation of the results to the magnetoresistive properties of the material is discussed. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：701 / 703

页数：3