Metal-nonmetal transition of lanthanum hydrides, analyzed by 139La hyperfine 
interaction

Leyer, S; Heck, S; Kaiser, A; Dormann, E; Barnes, RG

doi:10.1103/PhysRevB.72.125115

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Metal-nonmetal transition of lanthanum hydrides, analyzed by 139La hyperfine interaction

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https://journals.aps.org/prb/pdf/10.1103/PhysRevB.72.125115
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Leyer, S., Heck, S., Kaiser, A., Dormann, E., & Barnes, R. (2005). Metal-nonmetal transition of lanthanum hydrides, analyzed by 139La hyperfine interaction. Physical Review B, 72(12): 125115, pp. 1-10. doi:10.1103/PhysRevB.72.125115.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-D425-3

Abstract

Lanthanum hydrides LaHx,2.0⩽x⩽3.0, are characterized by static magnetic susceptibility analysis and 139La nuclear magnetic resonance investigations (line splittings, linewidth, line shift, and spin lattice relaxation). Temperature and composition dependence of all quantities is determined. Chemical shift is larger than the Knight shift for 139La in the LaHx compounds. The x dependence of the density of states D(EF) is derived site selectively and separated into s- and d-like contributions.