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Autor:
Ramazanoglu, M., Lamsal, 2 J., Tucker, 2 G. S., Yan, 2 J. -Q., Calder, 3 S., Guidi, 3 T., Perring, 4 T., McCallum, 4 R. W., Lograsso, 2 T. A., Kreyssig, 2 A., Goldman, 2 A. I., McQueeney1, R. J.
Inelastic neutron scattering measurements demonstrate that the magnetic interactions in antiferromagnetic LaFeAsO are two-dimensional. Spin wave velocities within the Fe layer and the magnitude of the spin gap are similar to the \textit{A}Fe$_2$As$_2
Externí odkaz:
http://arxiv.org/abs/1303.4033
