Interplay Between Superconductivity and Magnetism in Cu-Doped FeSe Under Pressure
Superconductivity in iron selenide is very sensitive to any dopants at levels of only a few percent. Here, we demonstrate how iron substitution by copper destroys superconductivity in FeSe, and argue why superconductivity reemerges under pressure. Detailed Mössbauer spectroscopy studies on 57 Fe-enr...
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| Veröffentlicht in: | Journal of superconductivity and novel magnetism 2018-03, Vol.31 (3), p.763-769 |
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| container_title | Journal of superconductivity and novel magnetism |
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| creator | Shylin, Sergii I. Ksenofontov, Vadim Naumov, Pavel G. Medvedev, Sergey A. Felser, Claudia |
| description | Superconductivity in iron selenide is very sensitive to any dopants at levels of only a few percent. Here, we demonstrate how iron substitution by copper destroys superconductivity in FeSe, and argue why superconductivity reemerges under pressure. Detailed Mössbauer spectroscopy studies on
57
Fe-enriched Cu
0.04
Fe
0.97
Se reveal that at low temperatures part of the iron sites is magnetically ordered, and static magnetic moments destroy the superconducting pairing. Application of pressure leads to a collapse of the static magnetism and restoration of superconductivity with the maximal
T
c
value at pressure ∼ 8 GPa. The further pressure increase provokes a structural tetragonal-to-hexagonal phase transition and disappearance of superconductivity similarly to FeSe. The hyperfine parameters of the non-superconducting hexagonal phase of Cu
0.04
Fe
0.97
Se reveal a less covalent character of Fe–Se bonds and a noticeable higher value of the electric field gradient comparing to the tetragonal phase. |
| doi_str_mv | 10.1007/s10948-017-4317-9 |
| format | Article |
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57
Fe-enriched Cu
0.04
Fe
0.97
Se reveal that at low temperatures part of the iron sites is magnetically ordered, and static magnetic moments destroy the superconducting pairing. Application of pressure leads to a collapse of the static magnetism and restoration of superconductivity with the maximal
T
c
value at pressure ∼ 8 GPa. The further pressure increase provokes a structural tetragonal-to-hexagonal phase transition and disappearance of superconductivity similarly to FeSe. The hyperfine parameters of the non-superconducting hexagonal phase of Cu
0.04
Fe
0.97
Se reveal a less covalent character of Fe–Se bonds and a noticeable higher value of the electric field gradient comparing to the tetragonal phase.</description><identifier>ISSN: 1557-1939</identifier><identifier>EISSN: 1557-1947</identifier><identifier>DOI: 10.1007/s10948-017-4317-9</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Characterization and Evaluation of Materials ; Condensed Matter Physics ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; COPPER ; COPPER SELENIDES ; DOPED MATERIALS ; ELECTRIC FIELDS ; IRON ; IRON 57 ; IRON SELENIDES ; Magnetic Materials ; MAGNETIC MOMENTS ; MAGNETISM ; MAGNETIZATION ; MOESSBAUER SPECTROMETERS ; Original Paper ; PHASE TRANSFORMATIONS ; Physics ; Physics and Astronomy ; PRESSURE RANGE GIGA PA ; Strongly Correlated Systems ; SUPERCONDUCTIVITY ; TEMPERATURE RANGE 0065-0273 K</subject><ispartof>Journal of superconductivity and novel magnetism, 2018-03, Vol.31 (3), p.763-769</ispartof><rights>Springer Science+Business Media, LLC 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c386t-1b672c5c35dc4a5cf3dcfa9a94e02f1f97672cb887ab3fb8e5dd5963ff77ab2a3</citedby><cites>FETCH-LOGICAL-c386t-1b672c5c35dc4a5cf3dcfa9a94e02f1f97672cb887ab3fb8e5dd5963ff77ab2a3</cites><orcidid>0000-0003-2104-1912</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10948-017-4317-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10948-017-4317-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,776,780,881,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22777038$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Shylin, Sergii I.</creatorcontrib><creatorcontrib>Ksenofontov, Vadim</creatorcontrib><creatorcontrib>Naumov, Pavel G.</creatorcontrib><creatorcontrib>Medvedev, Sergey A.</creatorcontrib><creatorcontrib>Felser, Claudia</creatorcontrib><title>Interplay Between Superconductivity and Magnetism in Cu-Doped FeSe Under Pressure</title><title>Journal of superconductivity and novel magnetism</title><addtitle>J Supercond Nov Magn</addtitle><description>Superconductivity in iron selenide is very sensitive to any dopants at levels of only a few percent. Here, we demonstrate how iron substitution by copper destroys superconductivity in FeSe, and argue why superconductivity reemerges under pressure. Detailed Mössbauer spectroscopy studies on
57
Fe-enriched Cu
0.04
Fe
0.97
Se reveal that at low temperatures part of the iron sites is magnetically ordered, and static magnetic moments destroy the superconducting pairing. Application of pressure leads to a collapse of the static magnetism and restoration of superconductivity with the maximal
T
c
value at pressure ∼ 8 GPa. The further pressure increase provokes a structural tetragonal-to-hexagonal phase transition and disappearance of superconductivity similarly to FeSe. The hyperfine parameters of the non-superconducting hexagonal phase of Cu
0.04
Fe
0.97
Se reveal a less covalent character of Fe–Se bonds and a noticeable higher value of the electric field gradient comparing to the tetragonal phase.</description><subject>Characterization and Evaluation of Materials</subject><subject>Condensed Matter Physics</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>COPPER</subject><subject>COPPER SELENIDES</subject><subject>DOPED MATERIALS</subject><subject>ELECTRIC FIELDS</subject><subject>IRON</subject><subject>IRON 57</subject><subject>IRON SELENIDES</subject><subject>Magnetic Materials</subject><subject>MAGNETIC MOMENTS</subject><subject>MAGNETISM</subject><subject>MAGNETIZATION</subject><subject>MOESSBAUER SPECTROMETERS</subject><subject>Original Paper</subject><subject>PHASE TRANSFORMATIONS</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>PRESSURE RANGE GIGA PA</subject><subject>Strongly Correlated Systems</subject><subject>SUPERCONDUCTIVITY</subject><subject>TEMPERATURE RANGE 0065-0273 K</subject><issn>1557-1939</issn><issn>1557-1947</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kMFOwzAMhiMEEmPwANwicS4kTdM0RxgMJoEAjZ2jNHVGpy2tkhS0tydTEUcutmX_v2V_CF1Sck0JETeBEllUGaEiK1gK8ghNKOcio7IQx381k6foLIQNIQVnpJyg94WL4Put3uM7iN8ADi-HHrzpXDOY2H61cY-1a_CLXjuIbdjh1uHZkN13PTR4DkvAK9eAx28eQhg8nKMTq7cBLn7zFK3mDx-zp-z59XExu33ODKvKmNG6FLnhhvHGFJobyxpjtdSyAJJbaqU4zOuqErpmtq6ANw2XJbNWpE6u2RRdjXu7EFsVTBvBfKazHZio8lwIQViVVHRUGd-F4MGq3rc77feKEnUgp0ZyKpFTB3JKJk8-ekLSujV4tekG79Iz_5h-ADv1cgA</recordid><startdate>20180301</startdate><enddate>20180301</enddate><creator>Shylin, Sergii I.</creator><creator>Ksenofontov, Vadim</creator><creator>Naumov, Pavel G.</creator><creator>Medvedev, Sergey A.</creator><creator>Felser, Claudia</creator><general>Springer US</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-2104-1912</orcidid></search><sort><creationdate>20180301</creationdate><title>Interplay Between Superconductivity and Magnetism in Cu-Doped FeSe Under Pressure</title><author>Shylin, Sergii I. ; Ksenofontov, Vadim ; Naumov, Pavel G. ; Medvedev, Sergey A. ; Felser, Claudia</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-1b672c5c35dc4a5cf3dcfa9a94e02f1f97672cb887ab3fb8e5dd5963ff77ab2a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Characterization and Evaluation of Materials</topic><topic>Condensed Matter Physics</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>COPPER</topic><topic>COPPER SELENIDES</topic><topic>DOPED MATERIALS</topic><topic>ELECTRIC FIELDS</topic><topic>IRON</topic><topic>IRON 57</topic><topic>IRON SELENIDES</topic><topic>Magnetic Materials</topic><topic>MAGNETIC MOMENTS</topic><topic>MAGNETISM</topic><topic>MAGNETIZATION</topic><topic>MOESSBAUER SPECTROMETERS</topic><topic>Original Paper</topic><topic>PHASE TRANSFORMATIONS</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>PRESSURE RANGE GIGA PA</topic><topic>Strongly Correlated Systems</topic><topic>SUPERCONDUCTIVITY</topic><topic>TEMPERATURE RANGE 0065-0273 K</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shylin, Sergii I.</creatorcontrib><creatorcontrib>Ksenofontov, Vadim</creatorcontrib><creatorcontrib>Naumov, Pavel G.</creatorcontrib><creatorcontrib>Medvedev, Sergey A.</creatorcontrib><creatorcontrib>Felser, Claudia</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Journal of superconductivity and novel magnetism</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shylin, Sergii I.</au><au>Ksenofontov, Vadim</au><au>Naumov, Pavel G.</au><au>Medvedev, Sergey A.</au><au>Felser, Claudia</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interplay Between Superconductivity and Magnetism in Cu-Doped FeSe Under Pressure</atitle><jtitle>Journal of superconductivity and novel magnetism</jtitle><stitle>J Supercond Nov Magn</stitle><date>2018-03-01</date><risdate>2018</risdate><volume>31</volume><issue>3</issue><spage>763</spage><epage>769</epage><pages>763-769</pages><issn>1557-1939</issn><eissn>1557-1947</eissn><abstract>Superconductivity in iron selenide is very sensitive to any dopants at levels of only a few percent. Here, we demonstrate how iron substitution by copper destroys superconductivity in FeSe, and argue why superconductivity reemerges under pressure. Detailed Mössbauer spectroscopy studies on
57
Fe-enriched Cu
0.04
Fe
0.97
Se reveal that at low temperatures part of the iron sites is magnetically ordered, and static magnetic moments destroy the superconducting pairing. Application of pressure leads to a collapse of the static magnetism and restoration of superconductivity with the maximal
T
c
value at pressure ∼ 8 GPa. The further pressure increase provokes a structural tetragonal-to-hexagonal phase transition and disappearance of superconductivity similarly to FeSe. The hyperfine parameters of the non-superconducting hexagonal phase of Cu
0.04
Fe
0.97
Se reveal a less covalent character of Fe–Se bonds and a noticeable higher value of the electric field gradient comparing to the tetragonal phase.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10948-017-4317-9</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-2104-1912</orcidid></addata></record> |
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| subjects | Characterization and Evaluation of Materials Condensed Matter Physics CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY COPPER COPPER SELENIDES DOPED MATERIALS ELECTRIC FIELDS IRON IRON 57 IRON SELENIDES Magnetic Materials MAGNETIC MOMENTS MAGNETISM MAGNETIZATION MOESSBAUER SPECTROMETERS Original Paper PHASE TRANSFORMATIONS Physics Physics and Astronomy PRESSURE RANGE GIGA PA Strongly Correlated Systems SUPERCONDUCTIVITY TEMPERATURE RANGE 0065-0273 K |
| title | Interplay Between Superconductivity and Magnetism in Cu-Doped FeSe Under Pressure |
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