Thermoelectric and galvanomagnetic properties of topologically non-trivial (Co-M)Si semimetals (M = Fe, Ni) at high temperatures
We present experimental and theoretical results on electronic structure, galvanomagnetic, and thermoelectric properties (Hall coefficient, electrical resistivity, and Seebeck coefficient) of Co 1 − x M x Si ( M = Fe, Ni; x = 0–0.1) compounds at temperatures from 80 K to 800 K. CoSi is a long known p...
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| Veröffentlicht in: | Journal of applied physics 2019-12, Vol.126 (24) |
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| container_title | Journal of applied physics |
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| creator | Antonov, A. Ivanov, Yu Konstantinov, P. Kuznetsova, V. Novikov, S. Ovchinnikov, A. Pshenay-Severin, D. Burkov, A. |
| description | We present experimental and theoretical results on electronic structure, galvanomagnetic, and thermoelectric properties (Hall coefficient, electrical resistivity, and Seebeck coefficient) of
Co
1
−
x
M
x
Si (
M
=
Fe, Ni;
x
=
0–0.1) compounds at temperatures from 80 K to 800 K. CoSi is a long known promising thermoelectric semimetal. Recently, it was shown that CoSi and the CoSi-based alloys belong to the family of materials with a topologically nontrivial electronic structure. We discuss possible connection of the observed dependences of the transport properties on temperature and alloy composition with ab initio electronic structure of the compounds. The electronic structure was calculated using density functional theory, and transport properties were analyzed in constant relaxation time, as well as in more realistic energy-dependent relaxation time approximations. |
| doi_str_mv | 10.1063/1.5119209 |
| format | Article |
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Co
1
−
x
M
x
Si (
M
=
Fe, Ni;
x
=
0–0.1) compounds at temperatures from 80 K to 800 K. CoSi is a long known promising thermoelectric semimetal. Recently, it was shown that CoSi and the CoSi-based alloys belong to the family of materials with a topologically nontrivial electronic structure. We discuss possible connection of the observed dependences of the transport properties on temperature and alloy composition with ab initio electronic structure of the compounds. The electronic structure was calculated using density functional theory, and transport properties were analyzed in constant relaxation time, as well as in more realistic energy-dependent relaxation time approximations.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.5119209</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Density functional theory ; Electromagnetism ; Electronic structure ; Hall effect ; Iron ; Metalloids ; Nickel ; Relaxation time ; Seebeck effect ; Thermoelectricity ; Time dependence ; Transport properties</subject><ispartof>Journal of applied physics, 2019-12, Vol.126 (24)</ispartof><rights>Author(s)</rights><rights>2019 Author(s). Published under license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c393t-18be380e19597cf1a09cc11f1a193165a4962badc9f5a0ade04b4fb63e40d6ea3</citedby><cites>FETCH-LOGICAL-c393t-18be380e19597cf1a09cc11f1a193165a4962badc9f5a0ade04b4fb63e40d6ea3</cites><orcidid>0000-0002-1424-5979 ; 0000-0002-0889-3195 ; 0000-0003-2105-254X ; 0000-0002-6787-535X</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/10.1063/1.5119209$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,776,780,790,4498,27901,27902,76126</link.rule.ids></links><search><creatorcontrib>Antonov, A.</creatorcontrib><creatorcontrib>Ivanov, Yu</creatorcontrib><creatorcontrib>Konstantinov, P.</creatorcontrib><creatorcontrib>Kuznetsova, V.</creatorcontrib><creatorcontrib>Novikov, S.</creatorcontrib><creatorcontrib>Ovchinnikov, A.</creatorcontrib><creatorcontrib>Pshenay-Severin, D.</creatorcontrib><creatorcontrib>Burkov, A.</creatorcontrib><title>Thermoelectric and galvanomagnetic properties of topologically non-trivial (Co-M)Si semimetals (M = Fe, Ni) at high temperatures</title><title>Journal of applied physics</title><description>We present experimental and theoretical results on electronic structure, galvanomagnetic, and thermoelectric properties (Hall coefficient, electrical resistivity, and Seebeck coefficient) of
Co
1
−
x
M
x
Si (
M
=
Fe, Ni;
x
=
0–0.1) compounds at temperatures from 80 K to 800 K. CoSi is a long known promising thermoelectric semimetal. Recently, it was shown that CoSi and the CoSi-based alloys belong to the family of materials with a topologically nontrivial electronic structure. We discuss possible connection of the observed dependences of the transport properties on temperature and alloy composition with ab initio electronic structure of the compounds. The electronic structure was calculated using density functional theory, and transport properties were analyzed in constant relaxation time, as well as in more realistic energy-dependent relaxation time approximations.</description><subject>Applied physics</subject><subject>Density functional theory</subject><subject>Electromagnetism</subject><subject>Electronic structure</subject><subject>Hall effect</subject><subject>Iron</subject><subject>Metalloids</subject><subject>Nickel</subject><subject>Relaxation time</subject><subject>Seebeck effect</subject><subject>Thermoelectricity</subject><subject>Time dependence</subject><subject>Transport properties</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kM1O4zAQgK0VSFvYPfAGlrhQRMBTJ2l84IAq_iRYDlvO0dSZtEZJHGy3Um8cuPCa-yQYtYID0h5GMxp9841mGDsAcQoil2dwmgGokVA_2ABEoZJxlokdNhBiBEmhxuon2_P-SQiAQqoBe50uyLWWGtLBGc2xq_gcmxV2tsV5RyH2emd7csGQ57bmwfa2sXOjsWnWvLNdEgdXBht-NLHJ_fCv4Z5a01LAxvOj-38vb-cxruiE_zFDjoEvzHzBA7VRimHpyP9iu3WE6fc277PHq8vp5Ca5e7i-nVzcJVoqGRIoZiQLQaAyNdY1oFBaA8QClIQ8w1TloxlWWtUZCqxIpLO0nuWSUlHlhHKfHW688aLnJflQPtml6-LKciSlyItoTyM13FDaWe8d1WXvTItuXYIoP55cQrl9cmSPN6zXJmAwtvuEV9Z9gWVf1f-Dv5vfAWE6jbg</recordid><startdate>20191228</startdate><enddate>20191228</enddate><creator>Antonov, A.</creator><creator>Ivanov, Yu</creator><creator>Konstantinov, P.</creator><creator>Kuznetsova, V.</creator><creator>Novikov, S.</creator><creator>Ovchinnikov, A.</creator><creator>Pshenay-Severin, D.</creator><creator>Burkov, A.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1424-5979</orcidid><orcidid>https://orcid.org/0000-0002-0889-3195</orcidid><orcidid>https://orcid.org/0000-0003-2105-254X</orcidid><orcidid>https://orcid.org/0000-0002-6787-535X</orcidid></search><sort><creationdate>20191228</creationdate><title>Thermoelectric and galvanomagnetic properties of topologically non-trivial (Co-M)Si semimetals (M = Fe, Ni) at high temperatures</title><author>Antonov, A. ; Ivanov, Yu ; Konstantinov, P. ; Kuznetsova, V. ; Novikov, S. ; Ovchinnikov, A. ; Pshenay-Severin, D. ; Burkov, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-18be380e19597cf1a09cc11f1a193165a4962badc9f5a0ade04b4fb63e40d6ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Applied physics</topic><topic>Density functional theory</topic><topic>Electromagnetism</topic><topic>Electronic structure</topic><topic>Hall effect</topic><topic>Iron</topic><topic>Metalloids</topic><topic>Nickel</topic><topic>Relaxation time</topic><topic>Seebeck effect</topic><topic>Thermoelectricity</topic><topic>Time dependence</topic><topic>Transport properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Antonov, A.</creatorcontrib><creatorcontrib>Ivanov, Yu</creatorcontrib><creatorcontrib>Konstantinov, P.</creatorcontrib><creatorcontrib>Kuznetsova, V.</creatorcontrib><creatorcontrib>Novikov, S.</creatorcontrib><creatorcontrib>Ovchinnikov, A.</creatorcontrib><creatorcontrib>Pshenay-Severin, D.</creatorcontrib><creatorcontrib>Burkov, A.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Antonov, A.</au><au>Ivanov, Yu</au><au>Konstantinov, P.</au><au>Kuznetsova, V.</au><au>Novikov, S.</au><au>Ovchinnikov, A.</au><au>Pshenay-Severin, D.</au><au>Burkov, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermoelectric and galvanomagnetic properties of topologically non-trivial (Co-M)Si semimetals (M = Fe, Ni) at high temperatures</atitle><jtitle>Journal of applied physics</jtitle><date>2019-12-28</date><risdate>2019</risdate><volume>126</volume><issue>24</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>We present experimental and theoretical results on electronic structure, galvanomagnetic, and thermoelectric properties (Hall coefficient, electrical resistivity, and Seebeck coefficient) of
Co
1
−
x
M
x
Si (
M
=
Fe, Ni;
x
=
0–0.1) compounds at temperatures from 80 K to 800 K. CoSi is a long known promising thermoelectric semimetal. Recently, it was shown that CoSi and the CoSi-based alloys belong to the family of materials with a topologically nontrivial electronic structure. We discuss possible connection of the observed dependences of the transport properties on temperature and alloy composition with ab initio electronic structure of the compounds. The electronic structure was calculated using density functional theory, and transport properties were analyzed in constant relaxation time, as well as in more realistic energy-dependent relaxation time approximations.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5119209</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-1424-5979</orcidid><orcidid>https://orcid.org/0000-0002-0889-3195</orcidid><orcidid>https://orcid.org/0000-0003-2105-254X</orcidid><orcidid>https://orcid.org/0000-0002-6787-535X</orcidid></addata></record> |
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| ispartof | Journal of applied physics, 2019-12, Vol.126 (24) |
| issn | 0021-8979 1089-7550 |
| language | eng |
| recordid | cdi_scitation_primary_10_1063_1_5119209 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Density functional theory Electromagnetism Electronic structure Hall effect Iron Metalloids Nickel Relaxation time Seebeck effect Thermoelectricity Time dependence Transport properties |
| title | Thermoelectric and galvanomagnetic properties of topologically non-trivial (Co-M)Si semimetals (M = Fe, Ni) at high temperatures |
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