Issue 46, 2005
From the journal:

Chemical Communications

Temperature-induced abrupt volume inflation in the mixed-valence ternary Zintl phase Yb8Ge3Sb5†

Serena Margadonna,*a   Kosmas Prassides,*b   Maria Chondroudi,c   James R. Salvadorc  and  Mercouri G. Kanatzidis*c  

* Corresponding authors

a School of Chemistry, University of Edinburgh, Edinburgh, UK
E-mail: serena.margadonna@ed.ac.uk

b Department of Chemistry, University of Durham, Durham, UK
E-mail: K.Prassides@durham.ac.uk

c Department of Chemistry, Michigan State University, East Lansing, Michigan, USA
E-mail: kanatzidis@chemistry.msu.edu

Abstract

The Zintl phase, Yb8Ge3Sb5 exhibits a complex lattice response and an abrupt negative thermal expansion below 15 K – subtle structural changes before and after the transition are consistent with temperature-induced electron transfer from (to) Yb 4f bands to (from) Sb 5p and Ge 4p bands.

Graphical abstract: Temperature-induced abrupt volume inflation in the mixed-valence ternary Zintl phase Yb8Ge3Sb5

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Article information

DOI
https://doi.org/10.1039/B511606F
Article type
Communication
Submitted
15 Aug 2005
Accepted
29 Sep 2005
First published
20 Oct 2005

Chem. Commun., 2005, 5754-5756

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Temperature-induced abrupt volume inflation in the mixed-valence ternary Zintl phase Yb8Ge3Sb5

S. Margadonna, K. Prassides, M. Chondroudi, J. R. Salvador and M. G. Kanatzidis, Chem. Commun., 2005, 5754 DOI: 10.1039/B511606F

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