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Inelastic magnetic neutron scattering in CePd3

✍ Scribed by J.M. Lawrence; V.R. Fanelli; E.A. Goremychkin; R. Osborn; E.D. Bauer; K.J. McClellan; A.D. Christianson

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 399 KB
Volume: 403
Category: Article
ISSN: 0921-4526
DOI: 10.1016/j.physb.2007.10.243

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✦ Synopsis

We have performed time-of-flight neutron scattering measurements on a single crystal of the intermediate valence compound CePd 3 . At 10 K, a Kondo-esque inelastic magnetic scattering peak occurs near DE ¼ 60 meV with maximum intensity for momentum transfer Q near the ð 1 2 ; 1 2 ; 0Þ zone boundary. Spectral weight is transferred to lower energy as Q varies until at zone center the intensity at 60 meV is considerably weaker. These results are in qualitative accord with predictions of the Anderson lattice. The Q-dependence may resolve an older controversy concerning the low-temperature scattering. We discuss the relationship of these results to our recent results in YbAl 3 .

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