Literature DB >> 16307135

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

Serena Margadonna1, Kosmas Prassides, Maria Chondroudi, James R Salvador, Mercouri G Kanatzidis.   

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.

Year:  2005        PMID: 16307135     DOI: 10.1039/b511606f

Source DB:  PubMed          Journal:  Chem Commun (Camb)        ISSN: 1359-7345            Impact factor:   6.222


  1 in total

1.  Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer.

Authors:  Masaki Azuma; Wei-tin Chen; Hayato Seki; Michal Czapski; Smirnova Olga; Kengo Oka; Masaichiro Mizumaki; Tetsu Watanuki; Naoki Ishimatsu; Naomi Kawamura; Shintaro Ishiwata; Matthew G Tucker; Yuichi Shimakawa; J Paul Attfield
Journal:  Nat Commun       Date:  2011-06-14       Impact factor: 14.919

  1 in total

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