Spin transition and symmetry-breaking in new mononuclear FeII tren-complexes with up to 38 K hysteresis around room temperature
The structurally simple complex {FeII[tren(6F-py)3]}(BF4)2 [tren(6F-py)3 = tris(3-aza-4-(6-fluoro-2-pyridyl)-3-butenyl)amine] undergoes an abrupt spin transition (ST) with the critical temperature T1/2↓ = 243 K on cooling and T1/2↑ = 281 K on heating, with a 38 K wide hysteresis, while the ClO4− con...
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| Veröffentlicht in: | Inorganic chemistry frontiers 2022-02, Vol.9 (3), p.537-546 |
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| container_title | Inorganic chemistry frontiers |
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| creator | Seredyuk, Maksym Znovjyak, Kateryna Valverde-Muñoz, Francisco Javier Muñoz, M Carmen Fritsky, Igor O Amirkhanov, Volodymyr M Real, Jose A |
| description | The structurally simple complex {FeII[tren(6F-py)3]}(BF4)2 [tren(6F-py)3 = tris(3-aza-4-(6-fluoro-2-pyridyl)-3-butenyl)amine] undergoes an abrupt spin transition (ST) with the critical temperature T1/2↓ = 243 K on cooling and T1/2↑ = 281 K on heating, with a 38 K wide hysteresis, while the ClO4− congener shows ST spanning the room temperature region at T1/2↓ = 267 K and T1/2↑ = 295 K with a 28 K wide hysteresis. Calorimetric data confirm the occurrence of a highly energetic ST process, while multi-temperature single crystal X-ray structural studies identify a concerted symmetry-breaking P21/n ↔ P21/c as the origin of the rare strong cooperativity and the large hysteresis loop. The analysis of the experimental data discloses two distinct interdependent events, namely, the combination of a gradual ST and an induced crystallographic phase transition, which endows the material with strong bistability and makes it an excellent platform for investigating new generations of ST based electronic and spintronic devices. |
| doi_str_mv | 10.1039/d1qi00941a |
| format | Article |
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Calorimetric data confirm the occurrence of a highly energetic ST process, while multi-temperature single crystal X-ray structural studies identify a concerted symmetry-breaking P21/n ↔ P21/c as the origin of the rare strong cooperativity and the large hysteresis loop. The analysis of the experimental data discloses two distinct interdependent events, namely, the combination of a gradual ST and an induced crystallographic phase transition, which endows the material with strong bistability and makes it an excellent platform for investigating new generations of ST based electronic and spintronic devices.</description><identifier>ISSN: 2052-1545</identifier><identifier>EISSN: 2052-1553</identifier><identifier>DOI: 10.1039/d1qi00941a</identifier><language>eng</language><publisher>London: Royal Society of Chemistry</publisher><subject>Bistability ; Broken symmetry ; Critical temperature ; Crystal structure ; Crystallography ; Crystals ; Hysteresis loops ; Inorganic chemistry ; Phase transitions ; Room temperature ; Single crystals ; Spin transition</subject><ispartof>Inorganic chemistry frontiers, 2022-02, Vol.9 (3), p.537-546</ispartof><rights>Copyright Royal Society of Chemistry 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Seredyuk, Maksym</creatorcontrib><creatorcontrib>Znovjyak, Kateryna</creatorcontrib><creatorcontrib>Valverde-Muñoz, Francisco Javier</creatorcontrib><creatorcontrib>Muñoz, M Carmen</creatorcontrib><creatorcontrib>Fritsky, Igor O</creatorcontrib><creatorcontrib>Amirkhanov, Volodymyr M</creatorcontrib><creatorcontrib>Real, Jose A</creatorcontrib><title>Spin transition and symmetry-breaking in new mononuclear FeII tren-complexes with up to 38 K hysteresis around room temperature</title><title>Inorganic chemistry frontiers</title><description>The structurally simple complex {FeII[tren(6F-py)3]}(BF4)2 [tren(6F-py)3 = tris(3-aza-4-(6-fluoro-2-pyridyl)-3-butenyl)amine] undergoes an abrupt spin transition (ST) with the critical temperature T1/2↓ = 243 K on cooling and T1/2↑ = 281 K on heating, with a 38 K wide hysteresis, while the ClO4− congener shows ST spanning the room temperature region at T1/2↓ = 267 K and T1/2↑ = 295 K with a 28 K wide hysteresis. Calorimetric data confirm the occurrence of a highly energetic ST process, while multi-temperature single crystal X-ray structural studies identify a concerted symmetry-breaking P21/n ↔ P21/c as the origin of the rare strong cooperativity and the large hysteresis loop. The analysis of the experimental data discloses two distinct interdependent events, namely, the combination of a gradual ST and an induced crystallographic phase transition, which endows the material with strong bistability and makes it an excellent platform for investigating new generations of ST based electronic and spintronic devices.</description><subject>Bistability</subject><subject>Broken symmetry</subject><subject>Critical temperature</subject><subject>Crystal structure</subject><subject>Crystallography</subject><subject>Crystals</subject><subject>Hysteresis loops</subject><subject>Inorganic chemistry</subject><subject>Phase transitions</subject><subject>Room temperature</subject><subject>Single crystals</subject><subject>Spin transition</subject><issn>2052-1545</issn><issn>2052-1553</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNo9jU1LAzEYhIMoWLQXf0HA82o-N5ujFKvFggf1XJLdNzbaTbZJltqTf90FxdMMw8wzCF1RckMJ17cd3XtCtKDmBM0YkayiUvLTfy_kOZrn7C2ZAqIpUTP0_TL4gEsyIfviY8AmdDgf-x5KOlY2gfn04R1PnQAH3McQw9juwCS8hNVqGkKo2tgPO_iCjA--bPE44BIxb_AT3h5zgQTZZ2xSHCd0irHHBfoBkiljgkt05swuw_xPL9Db8v518Vitnx9Wi7t1NVChS6WAstoyKxqnnaUauBUKrFRCEQEgu85BU-uGto4pELZplXKacAfaSG0Nv0DXv9whxf0IuWw-4pjCdLlhNROM1EJz_gM0Q2Oz</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>Seredyuk, Maksym</creator><creator>Znovjyak, Kateryna</creator><creator>Valverde-Muñoz, Francisco Javier</creator><creator>Muñoz, M Carmen</creator><creator>Fritsky, Igor O</creator><creator>Amirkhanov, Volodymyr M</creator><creator>Real, Jose A</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20220201</creationdate><title>Spin transition and symmetry-breaking in new mononuclear FeII tren-complexes with up to 38 K hysteresis around room temperature</title><author>Seredyuk, Maksym ; Znovjyak, Kateryna ; Valverde-Muñoz, Francisco Javier ; Muñoz, M Carmen ; Fritsky, Igor O ; Amirkhanov, Volodymyr M ; Real, Jose A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p149t-7e126b2b48f9fb19e3b47eb574704ee5ddfe86981cf27e4b8c77f903fe9a59ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bistability</topic><topic>Broken symmetry</topic><topic>Critical temperature</topic><topic>Crystal structure</topic><topic>Crystallography</topic><topic>Crystals</topic><topic>Hysteresis loops</topic><topic>Inorganic chemistry</topic><topic>Phase transitions</topic><topic>Room temperature</topic><topic>Single crystals</topic><topic>Spin transition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seredyuk, Maksym</creatorcontrib><creatorcontrib>Znovjyak, Kateryna</creatorcontrib><creatorcontrib>Valverde-Muñoz, Francisco Javier</creatorcontrib><creatorcontrib>Muñoz, M Carmen</creatorcontrib><creatorcontrib>Fritsky, Igor O</creatorcontrib><creatorcontrib>Amirkhanov, Volodymyr M</creatorcontrib><creatorcontrib>Real, Jose A</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Inorganic chemistry frontiers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seredyuk, Maksym</au><au>Znovjyak, Kateryna</au><au>Valverde-Muñoz, Francisco Javier</au><au>Muñoz, M Carmen</au><au>Fritsky, Igor O</au><au>Amirkhanov, Volodymyr M</au><au>Real, Jose A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin transition and symmetry-breaking in new mononuclear FeII tren-complexes with up to 38 K hysteresis around room temperature</atitle><jtitle>Inorganic chemistry frontiers</jtitle><date>2022-02-01</date><risdate>2022</risdate><volume>9</volume><issue>3</issue><spage>537</spage><epage>546</epage><pages>537-546</pages><issn>2052-1545</issn><eissn>2052-1553</eissn><abstract>The structurally simple complex {FeII[tren(6F-py)3]}(BF4)2 [tren(6F-py)3 = tris(3-aza-4-(6-fluoro-2-pyridyl)-3-butenyl)amine] undergoes an abrupt spin transition (ST) with the critical temperature T1/2↓ = 243 K on cooling and T1/2↑ = 281 K on heating, with a 38 K wide hysteresis, while the ClO4− congener shows ST spanning the room temperature region at T1/2↓ = 267 K and T1/2↑ = 295 K with a 28 K wide hysteresis. Calorimetric data confirm the occurrence of a highly energetic ST process, while multi-temperature single crystal X-ray structural studies identify a concerted symmetry-breaking P21/n ↔ P21/c as the origin of the rare strong cooperativity and the large hysteresis loop. The analysis of the experimental data discloses two distinct interdependent events, namely, the combination of a gradual ST and an induced crystallographic phase transition, which endows the material with strong bistability and makes it an excellent platform for investigating new generations of ST based electronic and spintronic devices.</abstract><cop>London</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1qi00941a</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Bistability Broken symmetry Critical temperature Crystal structure Crystallography Crystals Hysteresis loops Inorganic chemistry Phase transitions Room temperature Single crystals Spin transition |
| title | Spin transition and symmetry-breaking in new mononuclear FeII tren-complexes with up to 38 K hysteresis around room temperature |
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