Negative thermal expansion induced by intermetallic charge transfer

Suppression of thermal expansion is of great importance for industry. Negative thermal expansion (NTE) materials which shrink on heating and expand on cooling are therefore attracting keen attention. Here we provide a brief overview of NTE induced by intermetallic charge transfer in A-site ordered d...

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Main Authors: Masaki Azuma, Kengo Oka, Koichiro Nabetani
Format: Article
Language:English
Published: Taylor & Francis Group 2015-06-01
Series:Science and Technology of Advanced Materials
Subjects:
Online Access:http://dx.doi.org/10.1088/1468-6996/16/3/034904
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author Masaki Azuma
Kengo Oka
Koichiro Nabetani
author_facet Masaki Azuma
Kengo Oka
Koichiro Nabetani
author_sort Masaki Azuma
collection DOAJ
description Suppression of thermal expansion is of great importance for industry. Negative thermal expansion (NTE) materials which shrink on heating and expand on cooling are therefore attracting keen attention. Here we provide a brief overview of NTE induced by intermetallic charge transfer in A-site ordered double perovskites SaCu3Fe4O12 and LaCu3Fe4−xMnxO12, as well as in Bi or Ni substituted BiNiO3. The last compound shows a colossal dilatometric linear thermal expansion coefficient exceeding −70 × 10−6 K−1 near room temperature, in the temperature range which can be controlled by substitution.
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spelling doaj.art-6cf5f5fff39d411ea1370eeeeef22ea72022-12-22T03:38:59ZengTaylor & Francis GroupScience and Technology of Advanced Materials1468-69961878-55142015-06-0116310.1088/1468-6996/16/3/03490411661296Negative thermal expansion induced by intermetallic charge transferMasaki Azuma0Kengo Oka1Koichiro Nabetani2Tokyo Institute of TechnologyChuo UniversityTokyo Institute of TechnologySuppression of thermal expansion is of great importance for industry. Negative thermal expansion (NTE) materials which shrink on heating and expand on cooling are therefore attracting keen attention. Here we provide a brief overview of NTE induced by intermetallic charge transfer in A-site ordered double perovskites SaCu3Fe4O12 and LaCu3Fe4−xMnxO12, as well as in Bi or Ni substituted BiNiO3. The last compound shows a colossal dilatometric linear thermal expansion coefficient exceeding −70 × 10−6 K−1 near room temperature, in the temperature range which can be controlled by substitution.http://dx.doi.org/10.1088/1468-6996/16/3/034904negative thermal expansionperovskitecharge transferx-ray diffraction
spellingShingle Masaki Azuma
Kengo Oka
Koichiro Nabetani
Negative thermal expansion induced by intermetallic charge transfer
Science and Technology of Advanced Materials
negative thermal expansion
perovskite
charge transfer
x-ray diffraction
title Negative thermal expansion induced by intermetallic charge transfer
title_full Negative thermal expansion induced by intermetallic charge transfer
title_fullStr Negative thermal expansion induced by intermetallic charge transfer
title_full_unstemmed Negative thermal expansion induced by intermetallic charge transfer
title_short Negative thermal expansion induced by intermetallic charge transfer
title_sort negative thermal expansion induced by intermetallic charge transfer
topic negative thermal expansion
perovskite
charge transfer
x-ray diffraction
url http://dx.doi.org/10.1088/1468-6996/16/3/034904
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AT kengooka negativethermalexpansioninducedbyintermetallicchargetransfer
AT koichironabetani negativethermalexpansioninducedbyintermetallicchargetransfer