Quantifying a partial polyamorphic transition in a cerium-based metallic glass during cooling
Cerium-based metallic glasses are prototype polyamorphous systems with pressure-induced polyamorphic transitions extensively reported. Cooling typically has a similar effect on materials as compression with regard to reducing volume. However, previous studies show dramatically different behavior of...
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description | Cerium-based metallic glasses are prototype polyamorphous systems with pressure-induced polyamorphic transitions extensively reported. Cooling typically has a similar effect on materials as compression with regard to reducing volume. However, previous studies show dramatically different behavior of Ce-based metallic glasses between cooling and compression, whose origin remains unclear. Here, using in situ low-temperature synchrotron high-energy x-ray diffraction, the structural evolution of a Ce68Al10Cu20Co2 metallic glass is accurately determined and analyzed by a structure factor and a reduced pair distribution function (PDF) during cooling from 298 to 83 K. An unusually large linear thermal expansion coefficient is revealed, which is associated with both continuous but inconsistent structural changes between the two subpeaks of the first atomic shell in terms of average bond lengths and coordination numbers. These phenomena are suggested to be attributed to a gradual 4f electron delocalization of only a minimal amount (∼2.6% at 83 K) of Ce atoms by quantitative analysis of the PDF data. However, a previously expected global polymorphic transition from a low-density amorphous state to a high-density amorphous state with an abrupt volume collapse is not observed. Moreover, electrical resistivity also shows a continuous increase during cooling without any sharp change. It is clarified that cryogenic temperatures could facilitate but are not powerful enough alone to trigger a global polymorphic transition in the Ce68Al10Cu20Co2 metallic glass, suggesting a wide distribution of its local atomic environment. |
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Cooling typically has a similar effect on materials as compression with regard to reducing volume. However, previous studies show dramatically different behavior of Ce-based metallic glasses between cooling and compression, whose origin remains unclear. Here, using in situ low-temperature synchrotron high-energy x-ray diffraction, the structural evolution of a Ce68Al10Cu20Co2 metallic glass is accurately determined and analyzed by a structure factor and a reduced pair distribution function (PDF) during cooling from 298 to 83 K. An unusually large linear thermal expansion coefficient is revealed, which is associated with both continuous but inconsistent structural changes between the two subpeaks of the first atomic shell in terms of average bond lengths and coordination numbers. These phenomena are suggested to be attributed to a gradual 4f electron delocalization of only a minimal amount (∼2.6% at 83 K) of Ce atoms by quantitative analysis of the PDF data. However, a previously expected global polymorphic transition from a low-density amorphous state to a high-density amorphous state with an abrupt volume collapse is not observed. Moreover, electrical resistivity also shows a continuous increase during cooling without any sharp change. It is clarified that cryogenic temperatures could facilitate but are not powerful enough alone to trigger a global polymorphic transition in the Ce68Al10Cu20Co2 metallic glass, suggesting a wide distribution of its local atomic environment.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/5.0054997</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Amorphous materials ; Cerium ; Cooling ; Coordination numbers ; Cryogenic temperature ; Density ; Distribution functions ; Low temperature ; Metallic glasses ; Structure factor ; Synchrotrons ; Thermal expansion</subject><ispartof>Journal of applied physics, 2021-10, Vol.130 (14)</ispartof><rights>Author(s)</rights><rights>2021 Author(s). Published under an exclusive license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-c74bac1709535488b786df533ad7fb40c83f66eadd775494db4198bcf30674dd3</citedby><cites>FETCH-LOGICAL-c389t-c74bac1709535488b786df533ad7fb40c83f66eadd775494db4198bcf30674dd3</cites><orcidid>0000-0001-5960-1378 ; 0000-0003-4283-2393 ; 0000-0002-5056-2576 ; 0000000250562576 ; 0000000342832393 ; 0000000159601378</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/5.0054997$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,776,780,790,881,4497,27903,27904,76130</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1825338$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Zhi</creatorcontrib><creatorcontrib>Sun, Zhaoyue</creatorcontrib><creatorcontrib>Lan, Fujun</creatorcontrib><creatorcontrib>Zhang, Xin</creatorcontrib><creatorcontrib>Yin, Ziliang</creatorcontrib><creatorcontrib>Liu, Ye</creatorcontrib><creatorcontrib>Zeng, Zhidan</creatorcontrib><creatorcontrib>Ren, Yang</creatorcontrib><creatorcontrib>Lou, Hongbo</creatorcontrib><creatorcontrib>Shen, Baolong</creatorcontrib><creatorcontrib>Zeng, Qiaoshi</creatorcontrib><title>Quantifying a partial polyamorphic transition in a cerium-based metallic glass during cooling</title><title>Journal of applied physics</title><description>Cerium-based metallic glasses are prototype polyamorphous systems with pressure-induced polyamorphic transitions extensively reported. Cooling typically has a similar effect on materials as compression with regard to reducing volume. However, previous studies show dramatically different behavior of Ce-based metallic glasses between cooling and compression, whose origin remains unclear. Here, using in situ low-temperature synchrotron high-energy x-ray diffraction, the structural evolution of a Ce68Al10Cu20Co2 metallic glass is accurately determined and analyzed by a structure factor and a reduced pair distribution function (PDF) during cooling from 298 to 83 K. An unusually large linear thermal expansion coefficient is revealed, which is associated with both continuous but inconsistent structural changes between the two subpeaks of the first atomic shell in terms of average bond lengths and coordination numbers. These phenomena are suggested to be attributed to a gradual 4f electron delocalization of only a minimal amount (∼2.6% at 83 K) of Ce atoms by quantitative analysis of the PDF data. However, a previously expected global polymorphic transition from a low-density amorphous state to a high-density amorphous state with an abrupt volume collapse is not observed. Moreover, electrical resistivity also shows a continuous increase during cooling without any sharp change. It is clarified that cryogenic temperatures could facilitate but are not powerful enough alone to trigger a global polymorphic transition in the Ce68Al10Cu20Co2 metallic glass, suggesting a wide distribution of its local atomic environment.</description><subject>Amorphous materials</subject><subject>Cerium</subject><subject>Cooling</subject><subject>Coordination numbers</subject><subject>Cryogenic temperature</subject><subject>Density</subject><subject>Distribution functions</subject><subject>Low temperature</subject><subject>Metallic glasses</subject><subject>Structure factor</subject><subject>Synchrotrons</subject><subject>Thermal expansion</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqd0MtKxDAUBuAgCo6jC9-g6EqhmkyaJlnK4A0GRNClhDSXmQydpiapMG9vSgfcuzqbj_-c8wNwieAdgjW-J3cQkopzegRmCDJeUkLgMZhBuEAl45SfgrMYtxAixDCfga_3QXbJ2b3r1oUsehmSk23R-3Yvdz70G6eKFGQXXXK-K1yXkTLBDbuykdHoYmeSbNus1q2MsdBDGJOU922e5-DEyjaai8Ocg8-nx4_lS7l6e35dPqxKhRlPpaJVIxWikBNMKsYaymptCcZSU9tUUDFs69pIrSnNz1W6qRBnjbIY1rTSGs_B1ZTrY3IiKpeM2ijfdUYlgdgiR7GMrifUB_89mJjE1g-hy3eJBWG5rNwJyupmUir4GIOxog9uJ8NeICjGigURh4qzvZ3suFGOBf0P__jwB0WvLf4FC6CKUg</recordid><startdate>20211014</startdate><enddate>20211014</enddate><creator>Chen, Zhi</creator><creator>Sun, Zhaoyue</creator><creator>Lan, Fujun</creator><creator>Zhang, Xin</creator><creator>Yin, Ziliang</creator><creator>Liu, Ye</creator><creator>Zeng, Zhidan</creator><creator>Ren, Yang</creator><creator>Lou, Hongbo</creator><creator>Shen, Baolong</creator><creator>Zeng, Qiaoshi</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0001-5960-1378</orcidid><orcidid>https://orcid.org/0000-0003-4283-2393</orcidid><orcidid>https://orcid.org/0000-0002-5056-2576</orcidid><orcidid>https://orcid.org/0000000250562576</orcidid><orcidid>https://orcid.org/0000000342832393</orcidid><orcidid>https://orcid.org/0000000159601378</orcidid></search><sort><creationdate>20211014</creationdate><title>Quantifying a partial polyamorphic transition in a cerium-based metallic glass during cooling</title><author>Chen, Zhi ; Sun, Zhaoyue ; Lan, Fujun ; Zhang, Xin ; Yin, Ziliang ; Liu, Ye ; Zeng, Zhidan ; Ren, Yang ; Lou, Hongbo ; Shen, Baolong ; Zeng, Qiaoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-c74bac1709535488b786df533ad7fb40c83f66eadd775494db4198bcf30674dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Amorphous materials</topic><topic>Cerium</topic><topic>Cooling</topic><topic>Coordination numbers</topic><topic>Cryogenic temperature</topic><topic>Density</topic><topic>Distribution functions</topic><topic>Low temperature</topic><topic>Metallic glasses</topic><topic>Structure factor</topic><topic>Synchrotrons</topic><topic>Thermal expansion</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Zhi</creatorcontrib><creatorcontrib>Sun, Zhaoyue</creatorcontrib><creatorcontrib>Lan, Fujun</creatorcontrib><creatorcontrib>Zhang, Xin</creatorcontrib><creatorcontrib>Yin, Ziliang</creatorcontrib><creatorcontrib>Liu, Ye</creatorcontrib><creatorcontrib>Zeng, Zhidan</creatorcontrib><creatorcontrib>Ren, Yang</creatorcontrib><creatorcontrib>Lou, Hongbo</creatorcontrib><creatorcontrib>Shen, Baolong</creatorcontrib><creatorcontrib>Zeng, Qiaoshi</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Zhi</au><au>Sun, Zhaoyue</au><au>Lan, Fujun</au><au>Zhang, Xin</au><au>Yin, Ziliang</au><au>Liu, Ye</au><au>Zeng, Zhidan</au><au>Ren, Yang</au><au>Lou, Hongbo</au><au>Shen, Baolong</au><au>Zeng, Qiaoshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Quantifying a partial polyamorphic transition in a cerium-based metallic glass during cooling</atitle><jtitle>Journal of applied physics</jtitle><date>2021-10-14</date><risdate>2021</risdate><volume>130</volume><issue>14</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>Cerium-based metallic glasses are prototype polyamorphous systems with pressure-induced polyamorphic transitions extensively reported. Cooling typically has a similar effect on materials as compression with regard to reducing volume. However, previous studies show dramatically different behavior of Ce-based metallic glasses between cooling and compression, whose origin remains unclear. Here, using in situ low-temperature synchrotron high-energy x-ray diffraction, the structural evolution of a Ce68Al10Cu20Co2 metallic glass is accurately determined and analyzed by a structure factor and a reduced pair distribution function (PDF) during cooling from 298 to 83 K. An unusually large linear thermal expansion coefficient is revealed, which is associated with both continuous but inconsistent structural changes between the two subpeaks of the first atomic shell in terms of average bond lengths and coordination numbers. These phenomena are suggested to be attributed to a gradual 4f electron delocalization of only a minimal amount (∼2.6% at 83 K) of Ce atoms by quantitative analysis of the PDF data. However, a previously expected global polymorphic transition from a low-density amorphous state to a high-density amorphous state with an abrupt volume collapse is not observed. Moreover, electrical resistivity also shows a continuous increase during cooling without any sharp change. It is clarified that cryogenic temperatures could facilitate but are not powerful enough alone to trigger a global polymorphic transition in the Ce68Al10Cu20Co2 metallic glass, suggesting a wide distribution of its local atomic environment.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0054997</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-5960-1378</orcidid><orcidid>https://orcid.org/0000-0003-4283-2393</orcidid><orcidid>https://orcid.org/0000-0002-5056-2576</orcidid><orcidid>https://orcid.org/0000000250562576</orcidid><orcidid>https://orcid.org/0000000342832393</orcidid><orcidid>https://orcid.org/0000000159601378</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Amorphous materials Cerium Cooling Coordination numbers Cryogenic temperature Density Distribution functions Low temperature Metallic glasses Structure factor Synchrotrons Thermal expansion |
title | Quantifying a partial polyamorphic transition in a cerium-based metallic glass during cooling |
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