Valence Instabilities, Phase Transitions, and Abrupt Lattice Expansion at 5 K in the YbGaGe System

Author:

Margadonna Serena1,Prassides Kosmas1,Fitch Andrew N.1,Salvador James R.1,Kanatzidis Mercouri G.1

Affiliation:

1. Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K., Department of Chemistry, University of Sussex, Brighton BN1 9QJ, U.K., European Synchrotron Radiation Facility, 38042 Grenoble, France, and Department of Chemistry, Michigan State University, East Lansing, Michigan 48824

Publisher

American Chemical Society (ACS)

Subject

Colloid and Surface Chemistry,Biochemistry,General Chemistry,Catalysis

Reference7 articles.

1. Negative Thermal Expansion from 0.3 to 1050 Kelvin in ZrW 2 O 8

2. Temperature-Induced Explosive First-Order Electronic Phase Transition in Gd-Doped SmS

3. Temperature-induced valence transition and associated lattice collapse in samarium fulleride

4. Zero thermal expansion in YbGaGe due to an electronic valence transition

5. The refinement proceeded smoothly with the phase fraction of the expanded phase converging to 62.0(2)%. The results of the final refinement at 5 K are shown in Figure 3S (Rwp= 9.67%,Rexp= 1.76%,RF2= 7.85%,a‘ = 4.22000(1) Å,c‘ = 16.88466(9) Å,a= 4.20169(1) Å,c=16.7175(1) Å).

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