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

A. T. Boothroyd·P. G. Freeman·D. Prabhakaran·H. Woo·K. Nakajima·J. M. Tranquada·K. Yamada·C. D. Frost
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Abstract

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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A. T. Boothroyd, P. G. Freeman, D. Prabhakaran, H. Woo, K. Nakajima, J. M. Tranquada, K. Yamada, C. D. Frost. 2003-08-29. Spin excitations in stripe-ordered La2-xSrxNiO4 (x=0.275 and 1/3). https://doi.org/10.1016/j.jmmm.2003.12.1121

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