2000
DOI: 10.1103/physrevb.61.8966
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Resonant x-ray scattering studies of the magnetic structure near the surface of an antiferromagnet

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Cited by 31 publications
(14 citation statements)
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“…The fitted charge scattering factors shown in Fig. 3 are similar to those found in other uranium systems 24 and are in close agreement with self absorption corrected fluorescence data 12 . The magnetic-charge interference scattering has been used to determine the profile of the uranium magnetization.…”
Section: Discussionsupporting
confidence: 87%
See 1 more Smart Citation
“…The fitted charge scattering factors shown in Fig. 3 are similar to those found in other uranium systems 24 and are in close agreement with self absorption corrected fluorescence data 12 . The magnetic-charge interference scattering has been used to determine the profile of the uranium magnetization.…”
Section: Discussionsupporting
confidence: 87%
“…The scattering factors of Fig. 3, determined from the fitted calculations of the charge scattering, are similar in shape and magnitude to those measured across the U M 4 edge in other uranium systems 24 . The good agreement between the fluorescence measurements, corrected for self absorption effects 12 , and the imaginary part of the resonant scattering factor, shown in Fig.…”
Section: Discussionsupporting
confidence: 64%
“…In the presence of this so-called surface-induced disorder, correlation lengths both parallel and perpendicular to the surface diverge at the bulk first-order transition point, thus inducing anisotropic power law behaviour for some bulk quantities [39]. A possible realization of this scenario may be encountered in the antiferromagnet UO 2 where the surface layers order continuously while the bulk displays a discontinuous ordering [40]. A second intriguing scenario is encountered in the q-state Potts model [41,42] where a phase transition to a low temperature phase with an ordered bulk but a disordered surface is observed.…”
Section: Surface Quantities and Phase Diagramsmentioning
confidence: 99%
“…(3) REXS allowed the observation of scattering from the surface of the antiferromagnet UO 2 [9,10]. These experiments (at BNL) showed that a dead layer was formed at the surface of the crystal, probably due to a change in the stoichiometry, and that the first-order nature of the transition (AF to para) became 2 nd order at the surface, as expected from theory.…”
mentioning
confidence: 52%