High energy spin excitations in BaFe2As2

High energy spin excitations in BaFe2As2

We report neutron scattering measurements of cooperative spin excitations in antiferromagnetically ordered BaFe2As2, the parent phase of an iron pnictide superconductor. The data extend up to ~100meV and show that the spin excitation spectrum is sharp and highly dispersive. By fitting the spectrum t...

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Bibliographic Details
Main Authors:	Ewings, R, Perring, T, Bewley, R, Guidi, T, Pitcher, M, Parker, DR, Clarke, S, Boothroyd, A
Format:	Journal article
Language:	English
Published:	2008

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