Pair-distribution Function Analysis of the Structural Valence Transition in Cp∗2Yb(4,4′-Me2-bipy)
Journal Article
·
· Journal of Physics: Conference Series
OSTI ID:1026768
The Cp*{sub 2}Yb(L) class of compounds, where Cp* = pentamethylcyclopentadienyl = C{sub 5}Me{sub 5} and L is either a 1,4-diazabutadiene or bipy = 2,2'-bipyridine related ligand, have provided excellent analogies to the Kondo state on the nanoscale. Cp*{sub 2}Yb(4,4'-Me{sub 2}-bipy) furthers this analogy by demonstrating a valence transition as the sample is cooled below 200 K. Here, pair-distribution function (PDF) analysis of x-ray powder diffraction data demonstrate that the Cp*{sub 2}Yb(4,4'-Me{sub 2}-bipy) molecule is virtually unchanged through the valence transition. However, the molecule's stacking arrangement is altered through the valence transition.
- Research Organization:
- BROOKHAVEN NATIONAL LABORATORY (BNL)
- Sponsoring Organization:
- DOE - OFFICE OF SCIENCE
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1026768
- Report Number(s):
- BNL--95353-2011-JA; KC0202010
- Journal Information:
- Journal of Physics: Conference Series, Journal Name: Journal of Physics: Conference Series Vol. 273
- Country of Publication:
- United States
- Language:
- English
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