Phys. Rev. B 72, 064403 (2005) [6 pages]

Systematics of x-ray resonant scattering amplitudes in RNi₂Ge₂ (R=Gd,Tb,Dy,Ho,Er,Tm): The origin of the branching ratio at the L edges of the heavy rare earths

Abstract

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J. W. Kim, Y. Lee, D. Wermeille, B. Sieve, L. Tan, S. L. Bud’ko, S. Law, P. C. Canfield, B. N. Harmon, and A. I. Goldman^*
Ames Laboratory, USDOE and the Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

Received 13 April 2005; revised 8 June 2005; published 1 August 2005

An investigation of the x-ray resonant magnetic scattering (XRMS) across the series of heavy rare-earth elements, coupled with first-principles calculations, has revealed that spin-orbit coupling in the 5d band plays a critical role in the systematics of the XRMS and x-ray magnetic circular dichroism branching ratio at the L edges of magnetic rare-earth compounds.

URL:

http://link.aps.org/doi/10.1103/PhysRevB.72.064403

DOI:

10.1103/PhysRevB.72.064403

PACS:

78.70.Ck, 61.10.Dp, 78.70.En

^*Corresponding author. Electronic mail: goldman@ameslab.gov

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Phys. Rev. B 72, 064403 (2005) [6 pages]

Systematics of x-ray resonant scattering amplitudes in RNi2Ge2 (R=Gd,Tb,Dy,Ho,Er,Tm): The origin of the branching ratio at the L edges of the heavy rare earths

Systematics of x-ray resonant scattering amplitudes in RNi₂Ge₂ (R=Gd,Tb,Dy,Ho,Er,Tm): The origin of the branching ratio at the L edges of the heavy rare earths