Research Papers in Physics and Astronomy

 

Date of this Version

July 1989

Comments

Published by American Physical Society. Copyright 1989. Permission to use. Phys. Rev. B40 (1989) 970–976. http://prb.aps.org/.

Abstract

1–6-monolayer-thick films of Gd have been studied with use of synchrotron-radiation photoemission. A method is described that utilizes the linear light polarization to obtain information about the overlayer magnetization. The method is complementary to electron-spin-polarization techniques. The thinner Gd overlayers exhibit a local magnetization component along the surface normal that decreases for thicker overlayers. The Gd films exhibit a 5d exchange splitting that changes from approximately 1.1 to 0.6 eV as the overlayer thickness increases.

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