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

收藏

页码：701 / 703

页数：3

相关论文

共 11 条

[1] Mossbauer spectroscopy in Sr2FeMoO6 double perovskite [J].

Algarabel, PA ;

Morellon, L ;

De Teresa, JM ;

Blasco, J ;

García, J ;

Ibarra, MR ;

Hernández, T ;

Plazaola, F ;

Barandiarán, JM .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2001, 226 :1089-1091

[2] Cationic ordering control of magnetization in Sr2FeMoO6 double perovskite [J].

Balcells, L ;

Navarro, J ;

Bibes, M ;

Roig, A ;

Martínez, B ;

Fontcuberta, J .

APPLIED PHYSICS LETTERS, 2001, 78 (06) :781-783

[3] HYPERFINE FIELDS ON IMPURITIES IN FERROMAGNETIC METALS [J].

CAMPBELL, IA .

JOURNAL OF PHYSICS PART C SOLID STATE PHYSICS, 1969, 2 (07) :1338-&

[4] Structural phase transition and the electronic and magnetic properties of Sr2FeMoO6 [J].

Chmaissem, O ;

Kruk, R ;

Dabrowski, B ;

Brown, DE ;

Xiong, X ;

Kolesnik, S ;

Jorgensen, JD ;

Kimball, CW .

PHYSICAL REVIEW B, 2000, 62 (21) :14197-14206

[5] A 55Mn nuclear magnetic resonance study of mixed-valence manganites [J].

Kapusta, C ;

Riedi, PC ;

Kocemba, W ;

Tomka, GJ ;

Ibarra, MR ;

De Teresa, JM ;

Viret, M ;

Coey, JMD .

JOURNAL OF PHYSICS-CONDENSED MATTER, 1999, 11 (20) :4079-4086

[6] Ultrafast spin dynamics and critical behavior in half-metallic ferromagnet:: Sr2FeMoO6 [J].

Kise, T ;

Ogasawara, T ;

Ashida, M ;

Tomioka, Y ;

Tokura, Y ;

Kuwata-Gonokami, M .

PHYSICAL REVIEW LETTERS, 2000, 85 (09) :1986-1989

[7] Room-temperature magnetoresistance in an oxide material with an ordered double-perovskite structure [J].

Kobayashi, KL ;

Kimura, T ;

Sawada, H ;

Terakura, K ;

Tokura, Y .

NATURE, 1998, 395 (6703) :677-680

[8] A SWEPT FREQUENCY PULSED MAGNETIC-RESONANCE SPECTROMETER WITH PARTICULAR APPLICATION TO NMR OF FERROMAGNETIC MATERIALS [J].

LORD, JS ;

RIEDI, PC .

MEASUREMENT SCIENCE AND TECHNOLOGY, 1995, 6 (02) :149-155

[9] Octahedral cation site disorder effects on magnetization in double-perovskite Sr2FeMoO6:: Monte Carlo simulation study [J].

Ogale, AS ;

Ogale, SB ;

Ramesh, R ;

Venkatesan, T .

APPLIED PHYSICS LETTERS, 1999, 75 (04) :537-539

[10] Structural and magnetic properties of double perovskites AA′FeMoO6 (AA′ = Ba2, BaSr, Sr2 and Ca2) [J].

Ritter, C ;

Ibarra, MR ;

Morellon, L ;

Blasco, J ;

García, J ;

De Teresa, JM .

JOURNAL OF PHYSICS-CONDENSED MATTER, 2000, 12 (38) :8295-8308