Prediction of Superconductivity in 3d Transition-Metal Based Antiperovskites via Magnetic Phase Diagram
We theoretically studied the electronic structure, magnetic properties, and lattice dynamics of a series of 3d transition-metal antiperovskite compounds AXM sub(3) by density function theory. Based on the Stoner criterion, we drew the magnetic phase diagram of carbon-based antiperovskites ACM sub(3)...
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Veröffentlicht in: | Journal of the Physical Society of Japan 2014-05, Vol.83 (5), p.1-1 |
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description | We theoretically studied the electronic structure, magnetic properties, and lattice dynamics of a series of 3d transition-metal antiperovskite compounds AXM sub(3) by density function theory. Based on the Stoner criterion, we drew the magnetic phase diagram of carbon-based antiperovskites ACM sub(3). In the phase diagram, compounds with non-magnetic ground state but locating near the ferromagnetic boundary are suggested to have high N(EF) that may cause sizeable electron-phonon coupling and make the compounds superconducting. To approve this deduction, we systematically calculated the phonon spectra and electron-phonon coupling of a series of Cr-based antiperovskites ACCr sub(3) and ANCr sub(3). The results show that AlCCr sub(3), GaCCr sub(3), and ZnNCr sub(3) could be moderate coupling BCS superconductors. The influence of spin fluctuation on superconductivity are discussed. Furthermore, other potential superconducting AXM3 including some new Co- and Fe-based antiperovskite superconductors are predicted from the magnetic phase diagram. |
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Based on the Stoner criterion, we drew the magnetic phase diagram of carbon-based antiperovskites ACM sub(3). In the phase diagram, compounds with non-magnetic ground state but locating near the ferromagnetic boundary are suggested to have high N(EF) that may cause sizeable electron-phonon coupling and make the compounds superconducting. To approve this deduction, we systematically calculated the phonon spectra and electron-phonon coupling of a series of Cr-based antiperovskites ACCr sub(3) and ANCr sub(3). The results show that AlCCr sub(3), GaCCr sub(3), and ZnNCr sub(3) could be moderate coupling BCS superconductors. The influence of spin fluctuation on superconductivity are discussed. Furthermore, other potential superconducting AXM3 including some new Co- and Fe-based antiperovskite superconductors are predicted from the magnetic phase diagram.</description><identifier>ISSN: 0031-9015</identifier><identifier>EISSN: 1347-4073</identifier><identifier>DOI: 10.7566/jpsj.83.054704</identifier><language>eng</language><publisher>Tokyo: The Physical Society of Japan</publisher><subject>Chemical compounds ; Chromium ; Density ; Electrons ; Ferromagnetism ; Joining ; Phase diagrams ; Phase transitions ; Physics ; Superconductivity ; Superconductors ; Symbols</subject><ispartof>Journal of the Physical Society of Japan, 2014-05, Vol.83 (5), p.1-1</ispartof><rights>Copyright The Physical Society of Japan May 15, 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786,27933,27934</link.rule.ids></links><search><creatorcontrib>Shao, Dingfu</creatorcontrib><creatorcontrib>Lu, Wenjian</creatorcontrib><creatorcontrib>Tong, Peng</creatorcontrib><creatorcontrib>Lin, Shuai</creatorcontrib><creatorcontrib>Lin, Jianchao</creatorcontrib><creatorcontrib>Sun, Yuping</creatorcontrib><title>Prediction of Superconductivity in 3d Transition-Metal Based Antiperovskites via Magnetic Phase Diagram</title><title>Journal of the Physical Society of Japan</title><description>We theoretically studied the electronic structure, magnetic properties, and lattice dynamics of a series of 3d transition-metal antiperovskite compounds AXM sub(3) by density function theory. Based on the Stoner criterion, we drew the magnetic phase diagram of carbon-based antiperovskites ACM sub(3). In the phase diagram, compounds with non-magnetic ground state but locating near the ferromagnetic boundary are suggested to have high N(EF) that may cause sizeable electron-phonon coupling and make the compounds superconducting. To approve this deduction, we systematically calculated the phonon spectra and electron-phonon coupling of a series of Cr-based antiperovskites ACCr sub(3) and ANCr sub(3). The results show that AlCCr sub(3), GaCCr sub(3), and ZnNCr sub(3) could be moderate coupling BCS superconductors. The influence of spin fluctuation on superconductivity are discussed. Furthermore, other potential superconducting AXM3 including some new Co- and Fe-based antiperovskite superconductors are predicted from the magnetic phase diagram.</description><subject>Chemical compounds</subject><subject>Chromium</subject><subject>Density</subject><subject>Electrons</subject><subject>Ferromagnetism</subject><subject>Joining</subject><subject>Phase diagrams</subject><subject>Phase transitions</subject><subject>Physics</subject><subject>Superconductivity</subject><subject>Superconductors</subject><subject>Symbols</subject><issn>0031-9015</issn><issn>1347-4073</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFz8tLw0AQBvBFFKzVq-cFL15SZx_Zx7G-hRYL1nPZJJO6sd3U7Kbgf29ET148DXz8ZviGkHMGE50rddXsYjMxYgK51CAPyIgJqTMJWhySEYBgmQWWH5OTGBsAnjMuR2S96LDyZfJtoG1NX_oddmUbqn6I9j59Uh-oqOiycyH6b5XNMbkNvXYRKzoNyQ8L7T6--4SR7r2jc7cOmHxJF2-DobferTu3PSVHtdtEPPudY_J6f7e8ecxmzw9PN9NZ1gjJU1YJywqBhTFWowanFHBb6aJ0okQoakAmnbDIlam0tWBqabgSBeNYFIZLMSaXP3d3XfvRY0yrrY8lbjYuYNvHFTNcWKmstP9TDVYrDhIGevGHNm3fheGRFVPGmqGI4OILErJ1Zg</recordid><startdate>20140501</startdate><enddate>20140501</enddate><creator>Shao, Dingfu</creator><creator>Lu, Wenjian</creator><creator>Tong, Peng</creator><creator>Lin, Shuai</creator><creator>Lin, Jianchao</creator><creator>Sun, Yuping</creator><general>The Physical Society of Japan</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7U7</scope><scope>C1K</scope></search><sort><creationdate>20140501</creationdate><title>Prediction of Superconductivity in 3d Transition-Metal Based Antiperovskites via Magnetic Phase Diagram</title><author>Shao, Dingfu ; Lu, Wenjian ; Tong, Peng ; Lin, Shuai ; Lin, Jianchao ; Sun, Yuping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j342t-d391b3eb8897e70a66029d7bca3ce0bf0e14a39e268d79908f48263b12ebb8243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Chemical compounds</topic><topic>Chromium</topic><topic>Density</topic><topic>Electrons</topic><topic>Ferromagnetism</topic><topic>Joining</topic><topic>Phase diagrams</topic><topic>Phase transitions</topic><topic>Physics</topic><topic>Superconductivity</topic><topic>Superconductors</topic><topic>Symbols</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shao, Dingfu</creatorcontrib><creatorcontrib>Lu, Wenjian</creatorcontrib><creatorcontrib>Tong, Peng</creatorcontrib><creatorcontrib>Lin, Shuai</creatorcontrib><creatorcontrib>Lin, Jianchao</creatorcontrib><creatorcontrib>Sun, Yuping</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Journal of the Physical Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shao, Dingfu</au><au>Lu, Wenjian</au><au>Tong, Peng</au><au>Lin, Shuai</au><au>Lin, Jianchao</au><au>Sun, Yuping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prediction of Superconductivity in 3d Transition-Metal Based Antiperovskites via Magnetic Phase Diagram</atitle><jtitle>Journal of the Physical Society of Japan</jtitle><date>2014-05-01</date><risdate>2014</risdate><volume>83</volume><issue>5</issue><spage>1</spage><epage>1</epage><pages>1-1</pages><issn>0031-9015</issn><eissn>1347-4073</eissn><abstract>We theoretically studied the electronic structure, magnetic properties, and lattice dynamics of a series of 3d transition-metal antiperovskite compounds AXM sub(3) by density function theory. Based on the Stoner criterion, we drew the magnetic phase diagram of carbon-based antiperovskites ACM sub(3). In the phase diagram, compounds with non-magnetic ground state but locating near the ferromagnetic boundary are suggested to have high N(EF) that may cause sizeable electron-phonon coupling and make the compounds superconducting. To approve this deduction, we systematically calculated the phonon spectra and electron-phonon coupling of a series of Cr-based antiperovskites ACCr sub(3) and ANCr sub(3). The results show that AlCCr sub(3), GaCCr sub(3), and ZnNCr sub(3) could be moderate coupling BCS superconductors. The influence of spin fluctuation on superconductivity are discussed. Furthermore, other potential superconducting AXM3 including some new Co- and Fe-based antiperovskite superconductors are predicted from the magnetic phase diagram.</abstract><cop>Tokyo</cop><pub>The Physical Society of Japan</pub><doi>10.7566/jpsj.83.054704</doi><tpages>1</tpages></addata></record> |
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subjects | Chemical compounds Chromium Density Electrons Ferromagnetism Joining Phase diagrams Phase transitions Physics Superconductivity Superconductors Symbols |
title | Prediction of Superconductivity in 3d Transition-Metal Based Antiperovskites via Magnetic Phase Diagram |
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