Spin excitations in stripe-ordered La2-xSrxNiO4 (x=0.275 and 1/3)

被引：3
|
作者：
Boothroyd, AT [1 ]
Freeman, PG
Prabhakaran, D
Woo, H
Nakajima, K
Tranquada, JM
Yamada, K
Frost, CD
机构：
[1] Univ Oxford, Dept Phys, Oxford OX1 3PU, England
[2] Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England
[3] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[4] Univ Tokyo, ISSP, Neutron Scattering Lab, Tokai, Ibaraki, Japan
[5] Kyoto Univ, Chem Res Inst, Uji, Kyoto 6110011, Japan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 272卷
关键词：
spin waves; stripes; La1-xSrxNiO4;
D O I：
10.1016/j.jmmm.2003.12.1121
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report neutron scattering measurements of the spectrum of magnetic excitations in the stripe-ordered phase of La2-xSrxNiO4 (x = 0.275 and 1/3). The propagating spin excitations follow a similar dispersion relation for the two compositions, but the line widths are broader for x = 0.275 than for 1/3. (C) 2003 Elsevier B.V. All rights reserved.
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页码：265 / 266
页数：2
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