Zhao, H., Pan, Z., Shen, X., Zhao, J., Lu, D., Zhang, J., Hu, Z., Kuo, C. Y., Chen, C. T., Chan, T. S., Sahle, C. J., Dong, C., Nishikubo, T., Koike, T., Deng, Z. Y., Hong, J., Yu, R., Yu, P., Azuma, M., ... Long, Y. (2024). Antiferroelectricity-Induced Negative Thermal Expansion in Double Perovskite Pb2CoMoO6. Small, 20(2), Article 2305219. https://doi.org/10.1002/smll.202305219
Zhao, Haoting ; Pan, Zhao ; Shen, Xi et al. / Antiferroelectricity-Induced Negative Thermal Expansion in Double Perovskite Pb2CoMoO6. In: Small. 2024 ; Vol. 20, No. 2.
@article{01b70f37f20a4aee93682a93405c6b09,
title = "Antiferroelectricity-Induced Negative Thermal Expansion in Double Perovskite Pb2CoMoO6",
abstract = "Materials with negative thermal expansion (NTE) attract significant research attention owing to their unique physical properties and promising applications. Although ferroelectric phase transitions leading to NTE are widely investigated, information on antiferroelectricity-induced NTE remains limited. In this study, single-crystal and polycrystalline Pb2CoMoO6 samples are prepared at high pressure and temperature conditions. The compound crystallizes into an antiferroelectric Pnma orthorhombic double perovskite structure at room temperature owing to the opposite displacements dominated by Pb2+ ions. With increasing temperature to 400 K, a structural phase transition to cubic Fm-3m paraelectric phase occurs, accompanied by a sharp volume contraction of 0.41%. This is the first report of an antiferroelectric-to-paraelectric transition-induced NTE in Pb2CoMoO6. Moreover, the compound also exhibits remarkable NTE with an average volumetric coefficient of thermal expansion αV = −1.33 × 10−5 K−1 in a wide temperature range of 30–420 K. The as-prepared Pb2CoMoO6 thus serves as a prototype material system for studying antiferroelectricity-induced NTE.",
keywords = "antiferroelectricity, double perovskites, high-pressure synthesis, negative thermal expansion",
author = "Haoting Zhao and Zhao Pan and Xi Shen and Jianfa Zhao and Dabiao Lu and Jie Zhang and Zhiwei Hu and Kuo, {Chang Yang} and Chen, {Chien Te} and Chan, {Ting Shan} and Sahle, {Christoph J.} and Cheng Dong and Takumi Nishikubo and Takehiro Koike and Deng, {Zun Yi} and Jiawang Hong and Runze Yu and Pu Yu and Masaki Azuma and Changqing Jin and Youwen Long",
note = "Publisher Copyright: {\textcopyright} 2023 Wiley-VCH GmbH.",
year = "2024",
month = jan,
day = "11",
doi = "10.1002/smll.202305219",
language = "English",
volume = "20",
journal = "Small",
issn = "1613-6810",
publisher = "Wiley-VCH Verlag",
number = "2",
}
Zhao, H, Pan, Z, Shen, X, Zhao, J, Lu, D, Zhang, J, Hu, Z, Kuo, CY, Chen, CT, Chan, TS, Sahle, CJ, Dong, C, Nishikubo, T, Koike, T, Deng, ZY, Hong, J, Yu, R, Yu, P, Azuma, M, Jin, C & Long, Y 2024, 'Antiferroelectricity-Induced Negative Thermal Expansion in Double Perovskite Pb2CoMoO6', Small, vol. 20, no. 2, 2305219. https://doi.org/10.1002/smll.202305219
Antiferroelectricity-Induced Negative Thermal Expansion in Double Perovskite Pb2CoMoO6. / Zhao, Haoting; Pan, Zhao; Shen, Xi et al.
In:
Small, Vol. 20, No. 2, 2305219, 11.01.2024.
Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Antiferroelectricity-Induced Negative Thermal Expansion in Double Perovskite Pb2CoMoO6
AU - Zhao, Haoting
AU - Pan, Zhao
AU - Shen, Xi
AU - Zhao, Jianfa
AU - Lu, Dabiao
AU - Zhang, Jie
AU - Hu, Zhiwei
AU - Kuo, Chang Yang
AU - Chen, Chien Te
AU - Chan, Ting Shan
AU - Sahle, Christoph J.
AU - Dong, Cheng
AU - Nishikubo, Takumi
AU - Koike, Takehiro
AU - Deng, Zun Yi
AU - Hong, Jiawang
AU - Yu, Runze
AU - Yu, Pu
AU - Azuma, Masaki
AU - Jin, Changqing
AU - Long, Youwen
N1 - Publisher Copyright:
© 2023 Wiley-VCH GmbH.
PY - 2024/1/11
Y1 - 2024/1/11
N2 - Materials with negative thermal expansion (NTE) attract significant research attention owing to their unique physical properties and promising applications. Although ferroelectric phase transitions leading to NTE are widely investigated, information on antiferroelectricity-induced NTE remains limited. In this study, single-crystal and polycrystalline Pb2CoMoO6 samples are prepared at high pressure and temperature conditions. The compound crystallizes into an antiferroelectric Pnma orthorhombic double perovskite structure at room temperature owing to the opposite displacements dominated by Pb2+ ions. With increasing temperature to 400 K, a structural phase transition to cubic Fm-3m paraelectric phase occurs, accompanied by a sharp volume contraction of 0.41%. This is the first report of an antiferroelectric-to-paraelectric transition-induced NTE in Pb2CoMoO6. Moreover, the compound also exhibits remarkable NTE with an average volumetric coefficient of thermal expansion αV = −1.33 × 10−5 K−1 in a wide temperature range of 30–420 K. The as-prepared Pb2CoMoO6 thus serves as a prototype material system for studying antiferroelectricity-induced NTE.
AB - Materials with negative thermal expansion (NTE) attract significant research attention owing to their unique physical properties and promising applications. Although ferroelectric phase transitions leading to NTE are widely investigated, information on antiferroelectricity-induced NTE remains limited. In this study, single-crystal and polycrystalline Pb2CoMoO6 samples are prepared at high pressure and temperature conditions. The compound crystallizes into an antiferroelectric Pnma orthorhombic double perovskite structure at room temperature owing to the opposite displacements dominated by Pb2+ ions. With increasing temperature to 400 K, a structural phase transition to cubic Fm-3m paraelectric phase occurs, accompanied by a sharp volume contraction of 0.41%. This is the first report of an antiferroelectric-to-paraelectric transition-induced NTE in Pb2CoMoO6. Moreover, the compound also exhibits remarkable NTE with an average volumetric coefficient of thermal expansion αV = −1.33 × 10−5 K−1 in a wide temperature range of 30–420 K. The as-prepared Pb2CoMoO6 thus serves as a prototype material system for studying antiferroelectricity-induced NTE.
KW - antiferroelectricity
KW - double perovskites
KW - high-pressure synthesis
KW - negative thermal expansion
UR - http://www.scopus.com/inward/record.url?scp=85169310224&partnerID=8YFLogxK
U2 - 10.1002/smll.202305219
DO - 10.1002/smll.202305219
M3 - Article
AN - SCOPUS:85169310224
SN - 1613-6810
VL - 20
JO - Small
JF - Small
IS - 2
M1 - 2305219
ER -
Zhao H, Pan Z, Shen X, Zhao J, Lu D, Zhang J et al. Antiferroelectricity-Induced Negative Thermal Expansion in Double Perovskite Pb2CoMoO6. Small. 2024 Jan 11;20(2):2305219. doi: 10.1002/smll.202305219