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

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

arxiv: cond-mat/0308630 · v1 · submitted 2003-08-29 · ❄️ cond-mat.str-el

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 This is my paper

classification ❄️ cond-mat.str-el

keywords excitationsla2-xsrxnio4spinstripe-orderedbroadercompositionsdispersionfollow

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

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