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Abstract

X-ray resonant magnetic scattering has been used to examine the magnetic interactions coupl8ing the rare earth and iron sublattices in the antiferromagnetic compound DyFe(4)Al(8). Dramatic differences are observed in the temperature dependencies of the energy profiles at resonance depending on whether the photon energy is tuned to the Dy L(2) or L(3) absorption edge. In particular, for temperatures increasing from 10K, the resonant scattering intensity at the L(3) edge decreases whereas that at the L(2) edge rises. We suggest a physical model capable of reproducing these phenomena

Additional information

Authors: ITU KARLSRUHE, ;KARLSRUHE (DE),
Bibliographic Reference: Article: Physical review letters, 82 (1999) 10, 2187-2190
Record Number: 199911137 / Last updated on: 1999-08-13
Category: PUBLICATION
Original language: en
Available languages: en