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

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

2003-08-29

arxiv.org/abs/cond-mat/0308630v1

J. Magn. Magn. Mater. 272-276 (2004) 265

Physics

Condensed Matter

Strongly Correlated Electrons

2 pages, 2 figs. Presented at ICM'2003, to appear in J Magn Magn Mater

Scientific paper

10.1016/j.jmmm.2003.12.1121

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 x=1/3.

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