X-ray absorption spectroscopic studies of RCu2Si2 and RCu2Ge2 intermetallic compounds
作者： B D Padalia , T K Hatwar , M N Ghatikar
DOI: 10.1088/0022-3719/16/8/022
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摘要: L3 absorption edges of rare earths, R, in RCu2Si2 (except for R=La, Ce, Eu, Er and Lu) RCu2Ge2 intermetallic compounds are recorded. Shifts energy the edge these systems with respect to corresponding rare-earth metal position measured. It is found that ions exist a trivalent state except Eu Yb. The divalent EuCu2Ge2 Yb YbCu2Ge2 established. K Cu Ho also present results on shifts are, general, consistent available NMR measurements same systems.
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