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This paper describes grazing-incidence, X-ray resonant magnetic scattering measurements performed on a UO(2)(001) surface at and below the bulk Néel temperature of minus 30 K. Scattering was observed associated with the (010) magnetic truncation rod. The scattering exhibits the expected resonance as a function of incident photon energy, and is observed to vanish at T(N) on heating. The L-dependence of the observed scattering exhibits the characteristic Vineyard-profile as the angle of incidence is swept through the critical angle. Based on the refractive index, the penetration depth of the grazing-incidence measurements was estimated and reported here to be approximately 50 angstroms.

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Authors: WATSON G M, Brookhaven National laboratory, Physics Department, Upton (US);GIBBS D, Brookhaven National laboratory, Physics Department, Upton (US);LANDER G H, JRCKarlsruhe (DE);MATZKE H, JRCKarlsruhe (DE);ELLIS W, Los Alamos National Laboratory (US);GAULINB D, McMaster University, Department of Physicsand Astronomy, Hamilton (CA);BERMAN L E, Brookhaven National Laboratory, National Synchrotron LightSource, Upton (US)
Bibliographic Reference: Paper presented: Surface X-Ray and Neutron Scattering Conference, Wisconsin (US), June 22-26, 1995
Availability: Available from (1) as Paper EN 39442 ORA
Record Number: 199512083 / Last updated on: 1996-01-15
Original language: en
Available languages: en