Bulk metastable cobalt in fcc crystal structure
Bulk metastable pure cobalt was fabricated by a simple sintering route with micrometer-sized Co particles as raw materials. The as-prepared bulk Co is composed of dominant metastable face-centered cubic (fcc) phase and a trace of hexagonal close-packed (hcp) phase at room temperature. The crystal st...
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| Veröffentlicht in: | Journal of alloys and compounds 2013-12, Vol.580, p.187-190 |
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| container_title | Journal of alloys and compounds |
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| creator | Meng, Qingkun Guo, Shun Zhao, Xinqing Veintemillas-Verdaguer, S. |
| description | Bulk metastable pure cobalt was fabricated by a simple sintering route with micrometer-sized Co particles as raw materials. The as-prepared bulk Co is composed of dominant metastable face-centered cubic (fcc) phase and a trace of hexagonal close-packed (hcp) phase at room temperature. The crystal structures and magnetic properties of the metastable bulk are very sensitive to external stresses. Obvious fcc-to-hcp phase transformation occurred under tensile loading, which was accompanied by significant increase of the coercivity and remanence. It is believed that the interface energy plays a key role in hindering the fcc-to-hcp allotropic transition, leading to the existence of metastable bulk Co with the high-temperature fcc structure at room temperature. |
| doi_str_mv | 10.1016/j.jallcom.2013.05.115 |
| format | Article |
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The as-prepared bulk Co is composed of dominant metastable face-centered cubic (fcc) phase and a trace of hexagonal close-packed (hcp) phase at room temperature. The crystal structures and magnetic properties of the metastable bulk are very sensitive to external stresses. Obvious fcc-to-hcp phase transformation occurred under tensile loading, which was accompanied by significant increase of the coercivity and remanence. It is believed that the interface energy plays a key role in hindering the fcc-to-hcp allotropic transition, leading to the existence of metastable bulk Co with the high-temperature fcc structure at room temperature.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2013.05.115</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Alloys ; Close packed lattices ; Cobalt ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder ; Cross-disciplinary physics: materials science; rheology ; Crystal structure ; Exact sciences and technology ; Face centered cubic lattice ; Interface energy ; Magnetic properties ; Magnetic properties and materials ; Materials science ; Metastable cobalt ; Methods of nanofabrication ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Phase transformation ; Physics ; Raw materials ; Remanence ; Sintering ; Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.) ; Structure of solids and liquids; crystallography ; Structure of specific crystalline solids</subject><ispartof>Journal of alloys and compounds, 2013-12, Vol.580, p.187-190</ispartof><rights>2013 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-94136bd61caa4913aeee77b99b5a2654512e6ee5dfc6e0b380df938fc521ba2c3</citedby><cites>FETCH-LOGICAL-c405t-94136bd61caa4913aeee77b99b5a2654512e6ee5dfc6e0b380df938fc521ba2c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2013.05.115$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27822997$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Meng, Qingkun</creatorcontrib><creatorcontrib>Guo, Shun</creatorcontrib><creatorcontrib>Zhao, Xinqing</creatorcontrib><creatorcontrib>Veintemillas-Verdaguer, S.</creatorcontrib><title>Bulk metastable cobalt in fcc crystal structure</title><title>Journal of alloys and compounds</title><description>Bulk metastable pure cobalt was fabricated by a simple sintering route with micrometer-sized Co particles as raw materials. The as-prepared bulk Co is composed of dominant metastable face-centered cubic (fcc) phase and a trace of hexagonal close-packed (hcp) phase at room temperature. The crystal structures and magnetic properties of the metastable bulk are very sensitive to external stresses. Obvious fcc-to-hcp phase transformation occurred under tensile loading, which was accompanied by significant increase of the coercivity and remanence. It is believed that the interface energy plays a key role in hindering the fcc-to-hcp allotropic transition, leading to the existence of metastable bulk Co with the high-temperature fcc structure at room temperature.</description><subject>Alloys</subject><subject>Close packed lattices</subject><subject>Cobalt</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Crystal structure</subject><subject>Exact sciences and technology</subject><subject>Face centered cubic lattice</subject><subject>Interface energy</subject><subject>Magnetic properties</subject><subject>Magnetic properties and materials</subject><subject>Materials science</subject><subject>Metastable cobalt</subject><subject>Methods of nanofabrication</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Phase transformation</subject><subject>Physics</subject><subject>Raw materials</subject><subject>Remanence</subject><subject>Sintering</subject><subject>Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)</subject><subject>Structure of solids and liquids; crystallography</subject><subject>Structure of specific crystalline solids</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAURYMoOI7-BKEbwU07eUmTNitR8QsG3Og6pK-v0DFtx6QV5t874wxuZ_Xgce69cBi7Bp4BB71YZSvnPQ5dJjjIjKsMQJ2wGZSFTHOtzSmbcSNUWsqyPGcXMa4452AkzNjiYfJfSUeji6OrPCU4VM6PSdsnDWKCYbP9-ySOYcJxCnTJzhrnI10d7px9Pj99PL6my_eXt8f7ZYo5V2NqcpC6qjWgc7kB6YioKCpjKuWEVrkCQZpI1Q1q4pUsed0YWTaoBFROoJyz233vOgzfE8XRdm1E8t71NEzRggKZy0IVcBzNC6U0CFBbVO1RDEOMgRq7Dm3nwsYCtzuXdmUPLu3OpeXKwl_u5jDhIjrfBNdjG__DoiiFMKbYcnd7jrZqfloKNmJLPVLdBsLR1kN7ZOkX6lyLqQ</recordid><startdate>20131215</startdate><enddate>20131215</enddate><creator>Meng, Qingkun</creator><creator>Guo, Shun</creator><creator>Zhao, Xinqing</creator><creator>Veintemillas-Verdaguer, S.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20131215</creationdate><title>Bulk metastable cobalt in fcc crystal structure</title><author>Meng, Qingkun ; Guo, Shun ; Zhao, Xinqing ; Veintemillas-Verdaguer, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c405t-94136bd61caa4913aeee77b99b5a2654512e6ee5dfc6e0b380df938fc521ba2c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Alloys</topic><topic>Close packed lattices</topic><topic>Cobalt</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Crystal structure</topic><topic>Exact sciences and technology</topic><topic>Face centered cubic lattice</topic><topic>Interface energy</topic><topic>Magnetic properties</topic><topic>Magnetic properties and materials</topic><topic>Materials science</topic><topic>Metastable cobalt</topic><topic>Methods of nanofabrication</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Phase transformation</topic><topic>Physics</topic><topic>Raw materials</topic><topic>Remanence</topic><topic>Sintering</topic><topic>Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)</topic><topic>Structure of solids and liquids; crystallography</topic><topic>Structure of specific crystalline solids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meng, Qingkun</creatorcontrib><creatorcontrib>Guo, Shun</creatorcontrib><creatorcontrib>Zhao, Xinqing</creatorcontrib><creatorcontrib>Veintemillas-Verdaguer, S.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Meng, Qingkun</au><au>Guo, Shun</au><au>Zhao, Xinqing</au><au>Veintemillas-Verdaguer, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bulk metastable cobalt in fcc crystal structure</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2013-12-15</date><risdate>2013</risdate><volume>580</volume><spage>187</spage><epage>190</epage><pages>187-190</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>Bulk metastable pure cobalt was fabricated by a simple sintering route with micrometer-sized Co particles as raw materials. The as-prepared bulk Co is composed of dominant metastable face-centered cubic (fcc) phase and a trace of hexagonal close-packed (hcp) phase at room temperature. The crystal structures and magnetic properties of the metastable bulk are very sensitive to external stresses. Obvious fcc-to-hcp phase transformation occurred under tensile loading, which was accompanied by significant increase of the coercivity and remanence. It is believed that the interface energy plays a key role in hindering the fcc-to-hcp allotropic transition, leading to the existence of metastable bulk Co with the high-temperature fcc structure at room temperature.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2013.05.115</doi><tpages>4</tpages></addata></record> |
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| ispartof | Journal of alloys and compounds, 2013-12, Vol.580, p.187-190 |
| issn | 0925-8388 1873-4669 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Alloys Close packed lattices Cobalt Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder Cross-disciplinary physics: materials science rheology Crystal structure Exact sciences and technology Face centered cubic lattice Interface energy Magnetic properties Magnetic properties and materials Materials science Metastable cobalt Methods of nanofabrication Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Phase transformation Physics Raw materials Remanence Sintering Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.) Structure of solids and liquids crystallography Structure of specific crystalline solids |
| title | Bulk metastable cobalt in fcc crystal structure |
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