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

Serena Margadonna; Kosmas Prassides; Maria Chondroudi; James R. Salvador; Mercouri G. Kanatzidis

doi:10.1039/b511606f

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

Serena Margadonna^*, Kosmas Prassides, Maria Chondroudi, James R. Salvador, Mercouri G. Kanatzidis

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

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.

Original language	English (US)
Pages (from-to)	5754-5756
Number of pages	3
Journal	Chemical Communications
Issue number	46
DOIs	https://doi.org/10.1039/b511606f
State	Published - Dec 14 2005

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1039/b511606f

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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.",

author = "Serena Margadonna and Kosmas Prassides and Maria Chondroudi and Salvador, {James R.} and Kanatzidis, {Mercouri G.}",

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AU - Margadonna, Serena

AU - Prassides, Kosmas

AU - Chondroudi, Maria

AU - Salvador, James R.

AU - Kanatzidis, Mercouri G.

PY - 2005/12/14

Y1 - 2005/12/14

N2 - 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.

AB - 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.

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

Abstract

ASJC Scopus subject areas

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