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Realization of ultra-low thermal expansion over a broad temperature interval in Gdx(Dy0.5Ho0.5)1-xCo2 compounds.

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Title: Realization of ultra-low thermal expansion over a broad temperature interval in Gdx(Dy0.5Ho0.5)1-xCo2 compounds.
Authors: Hao, Jia-Zheng1,2 (AUTHOR), Shen, Fei-Ran1,3,4 (AUTHOR), Hu, Feng-Xia1,3,5 (AUTHOR) fxhu@iphy.ac.cn, Zhou, Hou-Bo1,3 (AUTHOR), Yu, Zi-Bing1,3 (AUTHOR), Gao, Yi-Hong1,3 (AUTHOR), Liang, Wen-Hui1,3 (AUTHOR), Qiao, Kai-Ming1,3 (AUTHOR), Wang, Bing-Jie1,3 (AUTHOR), Li, Jia1,3 (AUTHOR), Zhang, Cheng1,3 (AUTHOR), Wang, Jing1,3,6 (AUTHOR), He, Lun-Hua1,4,5 (AUTHOR) lhhe@iphy.ac.cn, Liang, Tian-Jiao4 (AUTHOR), He, Jun2 (AUTHOR), Sun, Ji-Rong1,3,5 (AUTHOR), Shen, Bao-Gen1,3,5 (AUTHOR) shenbg@iphy.ac.cn
Source: Scripta Materialia. Aug2020, Vol. 185, p181-186. 6p.
Subjects: ZTE Corp., Thermal expansion, Rare earth ions, Rare earth metals, Holmium
Abstract: Zero thermal expansion (ZTE) materials, particularly metals, have important applications in precision manufacturing. Here, ultra-low thermal expansion over a significantly broadened temperature interval is realized by tuning Gd content in ferrimagnetic(FIM) Gd x (Dy 0.5 Ho 0.5) 1-x Co 2 compounds. The achieved coefficients of thermal expansion α l ~+1.3 × 10−6K−1 (5-220K), -1.5 × 10−6K−1 (220-280K) for x=0.5 are even better than the well-known ZTE Invar alloy Fe 0.65 Ni 0.35 , while the operation temperature interval is much wider. The origin is closely related to the regulation of magnetostrictive process by rare earth ions along c-axis in the rhombohedral FIM structure. Our work highlights the advantageous ways to generate ultra-low thermal expansion in magnetocaloric materials. Image, graphical abstract [ABSTRACT FROM AUTHOR]
Copyright of Scripta Materialia is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 143617638
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Realization of ultra-low thermal expansion over a broad temperature interval in Gdx(Dy0.5Ho0.5)1-xCo2 compounds.
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  Data: <searchLink fieldCode="AR" term="%22Hao%2C+Jia-Zheng%22">Hao, Jia-Zheng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shen%2C+Fei-Ran%22">Shen, Fei-Ran</searchLink><relatesTo>1,3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Feng-Xia%22">Hu, Feng-Xia</searchLink><relatesTo>1,3,5</relatesTo> (AUTHOR)<i> fxhu@iphy.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Hou-Bo%22">Zhou, Hou-Bo</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Zi-Bing%22">Yu, Zi-Bing</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gao%2C+Yi-Hong%22">Gao, Yi-Hong</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liang%2C+Wen-Hui%22">Liang, Wen-Hui</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qiao%2C+Kai-Ming%22">Qiao, Kai-Ming</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Bing-Jie%22">Wang, Bing-Jie</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Jia%22">Li, Jia</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Cheng%22">Zhang, Cheng</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jing%22">Wang, Jing</searchLink><relatesTo>1,3,6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22He%2C+Lun-Hua%22">He, Lun-Hua</searchLink><relatesTo>1,4,5</relatesTo> (AUTHOR)<i> lhhe@iphy.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Liang%2C+Tian-Jiao%22">Liang, Tian-Jiao</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22He%2C+Jun%22">He, Jun</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Ji-Rong%22">Sun, Ji-Rong</searchLink><relatesTo>1,3,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shen%2C+Bao-Gen%22">Shen, Bao-Gen</searchLink><relatesTo>1,3,5</relatesTo> (AUTHOR)<i> shenbg@iphy.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Scripta+Materialia%22">Scripta Materialia</searchLink>. Aug2020, Vol. 185, p181-186. 6p.
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  Data: <searchLink fieldCode="DE" term="%22ZTE+Corp%2E%22">ZTE Corp.</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+expansion%22">Thermal expansion</searchLink><br /><searchLink fieldCode="DE" term="%22Rare+earth+ions%22">Rare earth ions</searchLink><br /><searchLink fieldCode="DE" term="%22Rare+earth+metals%22">Rare earth metals</searchLink><br /><searchLink fieldCode="DE" term="%22Holmium%22">Holmium</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Zero thermal expansion (ZTE) materials, particularly metals, have important applications in precision manufacturing. Here, ultra-low thermal expansion over a significantly broadened temperature interval is realized by tuning Gd content in ferrimagnetic(FIM) Gd x (Dy 0.5 Ho 0.5) 1-x Co 2 compounds. The achieved coefficients of thermal expansion α l ~+1.3 × 10−6K−1 (5-220K), -1.5 × 10−6K−1 (220-280K) for x=0.5 are even better than the well-known ZTE Invar alloy Fe 0.65 Ni 0.35 , while the operation temperature interval is much wider. The origin is closely related to the regulation of magnetostrictive process by rare earth ions along c-axis in the rhombohedral FIM structure. Our work highlights the advantageous ways to generate ultra-low thermal expansion in magnetocaloric materials. Image, graphical abstract [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Scripta Materialia is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.scriptamat.2020.04.043
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      – Code: eng
        Text: English
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        StartPage: 181
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      – SubjectFull: Thermal expansion
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      – SubjectFull: Rare earth ions
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