Superconductivity in Nb2Pd3Te5 and Chemically-Doped Ta2Pd3Te5
We report on the superconductivity in ternary transition metal tellurides Ta2Pd3Te5 and Nb2Pd3Te5, which have a one-dimensional crystal structure. Single-crystalline and polycrystalline samples of Ta2Pd3Te5 show nonmetallic electron conduction, while Ti or W doping results in metallic behavior with...
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Veröffentlicht in: | Journal of the Physical Society of Japan 2021-06, Vol.90 (6), p.1 |
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creator | Higashihara, Naoya Okamoto, Yoshihiko Yoshikawa, Yuma Yamakawa, Youichi Takatsu, Hiroshi Kageyama, Hiroshi Takenaka, Koshi |
description | We report on the superconductivity in ternary transition metal tellurides Ta2Pd3Te5 and Nb2Pd3Te5, which have a one-dimensional crystal structure. Single-crystalline and polycrystalline samples of Ta2Pd3Te5 show nonmetallic electron conduction, while Ti or W doping results in metallic behavior with a bulk superconducting transition at 2–4 K. In contrast, the polycrystalline samples of Nb2Pd3Te5, which are found to be isostructural to Ta2Pd3Te5, show a bulk superconducting transition at 3.3 K. The crystal structure and physical properties of Ta2Pd3Te5 and Nb2Pd3Te5 are also discussed in comparison with a candidate excitonic insulator Ta2NiSe5. |
doi_str_mv | 10.7566/JPSJ.90.063705 |
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Single-crystalline and polycrystalline samples of Ta2Pd3Te5 show nonmetallic electron conduction, while Ti or W doping results in metallic behavior with a bulk superconducting transition at 2–4 K. In contrast, the polycrystalline samples of Nb2Pd3Te5, which are found to be isostructural to Ta2Pd3Te5, show a bulk superconducting transition at 3.3 K. The crystal structure and physical properties of Ta2Pd3Te5 and Nb2Pd3Te5 are also discussed in comparison with a candidate excitonic insulator Ta2NiSe5.</description><identifier>ISSN: 0031-9015</identifier><identifier>EISSN: 1347-4073</identifier><identifier>DOI: 10.7566/JPSJ.90.063705</identifier><language>eng</language><publisher>Tokyo: The Physical Society of Japan</publisher><subject>Crystal structure ; Physical properties ; Polycrystals ; Single crystals ; Superconductivity ; Tellurides ; Titanium ; Transition metals</subject><ispartof>Journal of the Physical Society of Japan, 2021-06, Vol.90 (6), p.1</ispartof><rights>Copyright The Physical Society of Japan Jun 15, 2021</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>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Higashihara, Naoya</creatorcontrib><creatorcontrib>Okamoto, Yoshihiko</creatorcontrib><creatorcontrib>Yoshikawa, Yuma</creatorcontrib><creatorcontrib>Yamakawa, Youichi</creatorcontrib><creatorcontrib>Takatsu, Hiroshi</creatorcontrib><creatorcontrib>Kageyama, Hiroshi</creatorcontrib><creatorcontrib>Takenaka, Koshi</creatorcontrib><title>Superconductivity in Nb2Pd3Te5 and Chemically-Doped Ta2Pd3Te5</title><title>Journal of the Physical Society of Japan</title><description>We report on the superconductivity in ternary transition metal tellurides Ta2Pd3Te5 and Nb2Pd3Te5, which have a one-dimensional crystal structure. Single-crystalline and polycrystalline samples of Ta2Pd3Te5 show nonmetallic electron conduction, while Ti or W doping results in metallic behavior with a bulk superconducting transition at 2–4 K. In contrast, the polycrystalline samples of Nb2Pd3Te5, which are found to be isostructural to Ta2Pd3Te5, show a bulk superconducting transition at 3.3 K. The crystal structure and physical properties of Ta2Pd3Te5 and Nb2Pd3Te5 are also discussed in comparison with a candidate excitonic insulator Ta2NiSe5.</description><subject>Crystal structure</subject><subject>Physical properties</subject><subject>Polycrystals</subject><subject>Single crystals</subject><subject>Superconductivity</subject><subject>Tellurides</subject><subject>Titanium</subject><subject>Transition metals</subject><issn>0031-9015</issn><issn>1347-4073</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNotjktLw0AURgdRMFa3rgOuJ96ZO4_MwoVEq5aihcZ1ybwwJSYxD6H_3oJdfYsD53yE3DLItFTqfrXZrjIDGSjUIM9IwlBoKkDjOUkAkFEDTF6Sq3HcA3DJuEjIw3buw-C61s9uqn_r6ZDWbfpu-cZjGWRatT4tvsJ37aqmOdCnrg8-LasTviYXsWrGcHPaBflcPpfFK11_vLwVj2vasxwnGoLRyiKgE9Z7EdBG5fIYPY_RmdxBdE6hFcdXVhnrokSdc--Uj1wZXeGC3P17-6H7mcM47fbdPLTH5I5LNEYA8hz_ADwISbw</recordid><startdate>20210615</startdate><enddate>20210615</enddate><creator>Higashihara, Naoya</creator><creator>Okamoto, Yoshihiko</creator><creator>Yoshikawa, Yuma</creator><creator>Yamakawa, Youichi</creator><creator>Takatsu, Hiroshi</creator><creator>Kageyama, Hiroshi</creator><creator>Takenaka, Koshi</creator><general>The Physical Society of Japan</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20210615</creationdate><title>Superconductivity in Nb2Pd3Te5 and Chemically-Doped Ta2Pd3Te5</title><author>Higashihara, Naoya ; Okamoto, Yoshihiko ; Yoshikawa, Yuma ; Yamakawa, Youichi ; Takatsu, Hiroshi ; Kageyama, Hiroshi ; Takenaka, Koshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p183t-ee976b303c4bdd4e3bf6c8ffd2ffc98c0fcc63b4002b69bcf53782dc6df2697a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Crystal structure</topic><topic>Physical properties</topic><topic>Polycrystals</topic><topic>Single crystals</topic><topic>Superconductivity</topic><topic>Tellurides</topic><topic>Titanium</topic><topic>Transition metals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Higashihara, Naoya</creatorcontrib><creatorcontrib>Okamoto, Yoshihiko</creatorcontrib><creatorcontrib>Yoshikawa, Yuma</creatorcontrib><creatorcontrib>Yamakawa, Youichi</creatorcontrib><creatorcontrib>Takatsu, Hiroshi</creatorcontrib><creatorcontrib>Kageyama, Hiroshi</creatorcontrib><creatorcontrib>Takenaka, Koshi</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>Higashihara, Naoya</au><au>Okamoto, Yoshihiko</au><au>Yoshikawa, Yuma</au><au>Yamakawa, Youichi</au><au>Takatsu, Hiroshi</au><au>Kageyama, Hiroshi</au><au>Takenaka, Koshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Superconductivity in Nb2Pd3Te5 and Chemically-Doped Ta2Pd3Te5</atitle><jtitle>Journal of the Physical Society of Japan</jtitle><date>2021-06-15</date><risdate>2021</risdate><volume>90</volume><issue>6</issue><spage>1</spage><pages>1-</pages><issn>0031-9015</issn><eissn>1347-4073</eissn><abstract>We report on the superconductivity in ternary transition metal tellurides Ta2Pd3Te5 and Nb2Pd3Te5, which have a one-dimensional crystal structure. Single-crystalline and polycrystalline samples of Ta2Pd3Te5 show nonmetallic electron conduction, while Ti or W doping results in metallic behavior with a bulk superconducting transition at 2–4 K. In contrast, the polycrystalline samples of Nb2Pd3Te5, which are found to be isostructural to Ta2Pd3Te5, show a bulk superconducting transition at 3.3 K. The crystal structure and physical properties of Ta2Pd3Te5 and Nb2Pd3Te5 are also discussed in comparison with a candidate excitonic insulator Ta2NiSe5.</abstract><cop>Tokyo</cop><pub>The Physical Society of Japan</pub><doi>10.7566/JPSJ.90.063705</doi></addata></record> |
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subjects | Crystal structure Physical properties Polycrystals Single crystals Superconductivity Tellurides Titanium Transition metals |
title | Superconductivity in Nb2Pd3Te5 and Chemically-Doped Ta2Pd3Te5 |
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