Specific Heat on the Non-centrosymmetric Superconductor LaPt^sub 3^Si
We have measured specific heat of poly and single crystalline LaPt ... Si samples under various magnetic fields. For zero magnetic field, we observed a distinct peak and jump in the specific heat at the superconducting transition temperature T ... ~0.64 and 0.61 K for the poly and single crystals, r...
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Veröffentlicht in: | Journal of the Physical Society of Japan 2011-01, Vol.80, p.1 |
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container_title | Journal of the Physical Society of Japan |
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creator | Shiotsuki, Masahiro Motoyama, Gaku Oda, Yasukage Yamaguchi, Akira Sumiyama, Akihiko Takeuchi, Tetsuya Settai, Rikio Onuki, Yoshichika |
description | We have measured specific heat of poly and single crystalline LaPt ... Si samples under various magnetic fields. For zero magnetic field, we observed a distinct peak and jump in the specific heat at the superconducting transition temperature T ... ~0.64 and 0.61 K for the poly and single crystals, respectively. Temperature dependences of the specific heat of both samples below T ... can be well-described by a exponential equation for a conventional superconductor at zero magnetic field. The jump at T ... of single crystal is still distinct under magnetic fields. On the other hand, the peak of the poly crystal becomes broad above 40 G. The broad additional specific heat tail appears at higher temperatures than the T ... expected from the results of the single crystal. We show, for the first time, the temperature dependence of superconducting critical magnetic field H ... ( T ) obtained from the specific heat measurement. Small anisotropy of H ... ( T ) was observed for the single crystal, with H ... (0) = 66 and 61 G for H ... a and H ... c , respectively. (ProQuest: ... denotes formulae/symbols omitted.) |
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Si samples under various magnetic fields. For zero magnetic field, we observed a distinct peak and jump in the specific heat at the superconducting transition temperature T ... ~0.64 and 0.61 K for the poly and single crystals, respectively. Temperature dependences of the specific heat of both samples below T ... can be well-described by a exponential equation for a conventional superconductor at zero magnetic field. The jump at T ... of single crystal is still distinct under magnetic fields. On the other hand, the peak of the poly crystal becomes broad above 40 G. The broad additional specific heat tail appears at higher temperatures than the T ... expected from the results of the single crystal. We show, for the first time, the temperature dependence of superconducting critical magnetic field H ... ( T ) obtained from the specific heat measurement. Small anisotropy of H ... ( T ) was observed for the single crystal, with H ... (0) = 66 and 61 G for H ... a and H ... c , respectively. (ProQuest: ... denotes formulae/symbols omitted.)</description><identifier>ISSN: 0031-9015</identifier><identifier>EISSN: 1347-4073</identifier><language>eng</language><publisher>Tokyo: The Physical Society of Japan</publisher><subject>Anisotropy ; Heat ; Magnetic fields ; Single crystals ; Superconductors ; Temperature</subject><ispartof>Journal of the Physical Society of Japan, 2011-01, Vol.80, p.1</ispartof><rights>Copyright The Physical Society of Japan Jan 2, 2011</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>314,780,784</link.rule.ids></links><search><creatorcontrib>Shiotsuki, Masahiro</creatorcontrib><creatorcontrib>Motoyama, Gaku</creatorcontrib><creatorcontrib>Oda, Yasukage</creatorcontrib><creatorcontrib>Yamaguchi, Akira</creatorcontrib><creatorcontrib>Sumiyama, Akihiko</creatorcontrib><creatorcontrib>Takeuchi, Tetsuya</creatorcontrib><creatorcontrib>Settai, Rikio</creatorcontrib><creatorcontrib>Onuki, Yoshichika</creatorcontrib><title>Specific Heat on the Non-centrosymmetric Superconductor LaPt^sub 3^Si</title><title>Journal of the Physical Society of Japan</title><description>We have measured specific heat of poly and single crystalline LaPt ... Si samples under various magnetic fields. For zero magnetic field, we observed a distinct peak and jump in the specific heat at the superconducting transition temperature T ... ~0.64 and 0.61 K for the poly and single crystals, respectively. Temperature dependences of the specific heat of both samples below T ... can be well-described by a exponential equation for a conventional superconductor at zero magnetic field. The jump at T ... of single crystal is still distinct under magnetic fields. On the other hand, the peak of the poly crystal becomes broad above 40 G. The broad additional specific heat tail appears at higher temperatures than the T ... expected from the results of the single crystal. We show, for the first time, the temperature dependence of superconducting critical magnetic field H ... ( T ) obtained from the specific heat measurement. Small anisotropy of H ... ( T ) was observed for the single crystal, with H ... (0) = 66 and 61 G for H ... a and H ... c , respectively. (ProQuest: ... denotes formulae/symbols omitted.)</description><subject>Anisotropy</subject><subject>Heat</subject><subject>Magnetic fields</subject><subject>Single crystals</subject><subject>Superconductors</subject><subject>Temperature</subject><issn>0031-9015</issn><issn>1347-4073</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqNyrsKwjAUgOEgCtbLOwScAydNa-oslQ4iQp1bajzFFpvUXAbf3g4-gNM_fP-MRFwkkiUgxZxEAIKzA_B0SVbO9QBxyuMkInk5ouraTtECG0-Npv6J9GI0U6i9Ne4zDOjt5GUY0SqjH0F5Y-m5ufrKhTsVVdltyKJtXg63v67J7pTfjgUbrXkHdL7uTbB6oprvM5BpJoGL_64vVaA7-g</recordid><startdate>20110102</startdate><enddate>20110102</enddate><creator>Shiotsuki, Masahiro</creator><creator>Motoyama, Gaku</creator><creator>Oda, Yasukage</creator><creator>Yamaguchi, Akira</creator><creator>Sumiyama, Akihiko</creator><creator>Takeuchi, Tetsuya</creator><creator>Settai, Rikio</creator><creator>Onuki, Yoshichika</creator><general>The Physical Society of Japan</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20110102</creationdate><title>Specific Heat on the Non-centrosymmetric Superconductor LaPt^sub 3^Si</title><author>Shiotsuki, Masahiro ; Motoyama, Gaku ; Oda, Yasukage ; Yamaguchi, Akira ; Sumiyama, Akihiko ; Takeuchi, Tetsuya ; Settai, Rikio ; Onuki, Yoshichika</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_16807587013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Anisotropy</topic><topic>Heat</topic><topic>Magnetic fields</topic><topic>Single crystals</topic><topic>Superconductors</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shiotsuki, Masahiro</creatorcontrib><creatorcontrib>Motoyama, Gaku</creatorcontrib><creatorcontrib>Oda, Yasukage</creatorcontrib><creatorcontrib>Yamaguchi, Akira</creatorcontrib><creatorcontrib>Sumiyama, Akihiko</creatorcontrib><creatorcontrib>Takeuchi, Tetsuya</creatorcontrib><creatorcontrib>Settai, Rikio</creatorcontrib><creatorcontrib>Onuki, Yoshichika</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of the Physical Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shiotsuki, Masahiro</au><au>Motoyama, Gaku</au><au>Oda, Yasukage</au><au>Yamaguchi, Akira</au><au>Sumiyama, Akihiko</au><au>Takeuchi, Tetsuya</au><au>Settai, Rikio</au><au>Onuki, Yoshichika</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Specific Heat on the Non-centrosymmetric Superconductor LaPt^sub 3^Si</atitle><jtitle>Journal of the Physical Society of Japan</jtitle><date>2011-01-02</date><risdate>2011</risdate><volume>80</volume><spage>1</spage><pages>1-</pages><issn>0031-9015</issn><eissn>1347-4073</eissn><abstract>We have measured specific heat of poly and single crystalline LaPt ... Si samples under various magnetic fields. For zero magnetic field, we observed a distinct peak and jump in the specific heat at the superconducting transition temperature T ... ~0.64 and 0.61 K for the poly and single crystals, respectively. Temperature dependences of the specific heat of both samples below T ... can be well-described by a exponential equation for a conventional superconductor at zero magnetic field. The jump at T ... of single crystal is still distinct under magnetic fields. On the other hand, the peak of the poly crystal becomes broad above 40 G. The broad additional specific heat tail appears at higher temperatures than the T ... expected from the results of the single crystal. We show, for the first time, the temperature dependence of superconducting critical magnetic field H ... ( T ) obtained from the specific heat measurement. Small anisotropy of H ... ( T ) was observed for the single crystal, with H ... (0) = 66 and 61 G for H ... a and H ... c , respectively. (ProQuest: ... denotes formulae/symbols omitted.)</abstract><cop>Tokyo</cop><pub>The Physical Society of Japan</pub></addata></record> |
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subjects | Anisotropy Heat Magnetic fields Single crystals Superconductors Temperature |
title | Specific Heat on the Non-centrosymmetric Superconductor LaPt^sub 3^Si |
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