Slow magnetic relaxation in a Dy3 triangle and a bistriangular Dy6 cluster
Two lanthanide single-molecule magnets (SMMs) [Dy3(μ3-OH)(HL-1)3(H2O)3](NO3)2·3H3O (1, H3L-1 = (E)-3-(((8-hydroxyquinolin-2-yl)methylene)amino)propane-1,2-diol) and [Dy6(μ3-OH)4(H2L-2)4(HL-2)2(L-2)2] (2, H3L-2 = (E)-2-hydroxy-N′-(2-hydroxy-3-methoxybenzylidene)benzohydrazide) were synthesized and ch...
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Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2022-06, Vol.51 (24), p.9404-9411 |
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container_title | Dalton transactions : an international journal of inorganic chemistry |
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creator | Wang, Wen Shang, Tao Wang, Juan Bin-Ling, Yao Li-Cun, Li Ma, Yue Wang, Qing-Lun Yuan-Zhu, Zhang Yi-Quan, Zhang Zhao, Bin |
description | Two lanthanide single-molecule magnets (SMMs) [Dy3(μ3-OH)(HL-1)3(H2O)3](NO3)2·3H3O (1, H3L-1 = (E)-3-(((8-hydroxyquinolin-2-yl)methylene)amino)propane-1,2-diol) and [Dy6(μ3-OH)4(H2L-2)4(HL-2)2(L-2)2] (2, H3L-2 = (E)-2-hydroxy-N′-(2-hydroxy-3-methoxybenzylidene)benzohydrazide) were synthesized and characterized structurally and magnetically. Complex 1 contains a triangular Dy3 core in which the three Dy3+ ions share a μ3-OH− anion and the deprotonated ligands of (HL-1)2− serve both capping and bridging functions, while 2 displays a centrosymmetric hexanuclear DyIII structure with two similar Dy3 triangular cores ligated by two fully deprotonated (L-2)3− ligands, each of which shares two μ3-OH− anions. All the DyIII ions are eight-coordinated with quasi D2d or C2v symmetry. Magnetic studies reveal that 1 exhibited two-step magnetic relaxation under an applied dc field of 800 Oe, with effective energy barriers of 40.1 and 31.0 K for the slow relaxation (SR) and fast relaxation regimes (FR), respectively. Meanwhile, 2 only showed a tail of slow magnetic relaxation at above 2 K. Ab initio calculations have been carried out to show the nature of their different magnetic properties. |
doi_str_mv | 10.1039/d1dt03414f |
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Complex 1 contains a triangular Dy3 core in which the three Dy3+ ions share a μ3-OH− anion and the deprotonated ligands of (HL-1)2− serve both capping and bridging functions, while 2 displays a centrosymmetric hexanuclear DyIII structure with two similar Dy3 triangular cores ligated by two fully deprotonated (L-2)3− ligands, each of which shares two μ3-OH− anions. All the DyIII ions are eight-coordinated with quasi D2d or C2v symmetry. Magnetic studies reveal that 1 exhibited two-step magnetic relaxation under an applied dc field of 800 Oe, with effective energy barriers of 40.1 and 31.0 K for the slow relaxation (SR) and fast relaxation regimes (FR), respectively. Meanwhile, 2 only showed a tail of slow magnetic relaxation at above 2 K. Ab initio calculations have been carried out to show the nature of their different magnetic properties.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/d1dt03414f</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Anions ; Ligands ; Magnetic induction ; Magnetic properties ; Magnetic relaxation ; Magnets ; Mathematical analysis</subject><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2022-06, Vol.51 (24), p.9404-9411</ispartof><rights>Copyright Royal Society of Chemistry 2022</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>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Wang, Wen</creatorcontrib><creatorcontrib>Shang, Tao</creatorcontrib><creatorcontrib>Wang, Juan</creatorcontrib><creatorcontrib>Bin-Ling, Yao</creatorcontrib><creatorcontrib>Li-Cun, Li</creatorcontrib><creatorcontrib>Ma, Yue</creatorcontrib><creatorcontrib>Wang, Qing-Lun</creatorcontrib><creatorcontrib>Yuan-Zhu, Zhang</creatorcontrib><creatorcontrib>Yi-Quan, Zhang</creatorcontrib><creatorcontrib>Zhao, Bin</creatorcontrib><title>Slow magnetic relaxation in a Dy3 triangle and a bistriangular Dy6 cluster</title><title>Dalton transactions : an international journal of inorganic chemistry</title><description>Two lanthanide single-molecule magnets (SMMs) [Dy3(μ3-OH)(HL-1)3(H2O)3](NO3)2·3H3O (1, H3L-1 = (E)-3-(((8-hydroxyquinolin-2-yl)methylene)amino)propane-1,2-diol) and [Dy6(μ3-OH)4(H2L-2)4(HL-2)2(L-2)2] (2, H3L-2 = (E)-2-hydroxy-N′-(2-hydroxy-3-methoxybenzylidene)benzohydrazide) were synthesized and characterized structurally and magnetically. Complex 1 contains a triangular Dy3 core in which the three Dy3+ ions share a μ3-OH− anion and the deprotonated ligands of (HL-1)2− serve both capping and bridging functions, while 2 displays a centrosymmetric hexanuclear DyIII structure with two similar Dy3 triangular cores ligated by two fully deprotonated (L-2)3− ligands, each of which shares two μ3-OH− anions. All the DyIII ions are eight-coordinated with quasi D2d or C2v symmetry. Magnetic studies reveal that 1 exhibited two-step magnetic relaxation under an applied dc field of 800 Oe, with effective energy barriers of 40.1 and 31.0 K for the slow relaxation (SR) and fast relaxation regimes (FR), respectively. Meanwhile, 2 only showed a tail of slow magnetic relaxation at above 2 K. Ab initio calculations have been carried out to show the nature of their different magnetic properties.</description><subject>Anions</subject><subject>Ligands</subject><subject>Magnetic induction</subject><subject>Magnetic properties</subject><subject>Magnetic relaxation</subject><subject>Magnets</subject><subject>Mathematical analysis</subject><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpdj09LAzEQxYMoWKsXP0HAi5fVTJIm2aNU6x8KHtRzmU2yZUuarZss6rc3UvHgaYb3fsx7Q8g5sCtgor524DITEmR7QCYgta5qLuTh387VMTlJacMY52zGJ-TpJfQfdIvr6HNn6eADfmLu-ki7SJHefgmahw7jOniK0RWp6dJeGQMOBVDUhjFlP5ySoxZD8me_c0reFnev84dq-Xz_OL9ZVjsOKle1BmdtozgzXqvaNMBx1jhlsOHgmUUrNWccmAT0zljpZHF9-QzQtkKJKbnc390N_fvoU15tu2R9CBh9P6YVV1oKqSTUBb34h276cYil3Q9lDCtJtfgG6hVcDg</recordid><startdate>20220621</startdate><enddate>20220621</enddate><creator>Wang, Wen</creator><creator>Shang, Tao</creator><creator>Wang, Juan</creator><creator>Bin-Ling, Yao</creator><creator>Li-Cun, Li</creator><creator>Ma, Yue</creator><creator>Wang, Qing-Lun</creator><creator>Yuan-Zhu, Zhang</creator><creator>Yi-Quan, Zhang</creator><creator>Zhao, Bin</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20220621</creationdate><title>Slow magnetic relaxation in a Dy3 triangle and a bistriangular Dy6 cluster</title><author>Wang, Wen ; Shang, Tao ; Wang, Juan ; Bin-Ling, Yao ; Li-Cun, Li ; Ma, Yue ; Wang, Qing-Lun ; Yuan-Zhu, Zhang ; Yi-Quan, Zhang ; Zhao, Bin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p216t-971dccb6208e7698b12a5bd68ab21e0cac472021041aed8c4d4bd6ed1d1acf363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Anions</topic><topic>Ligands</topic><topic>Magnetic induction</topic><topic>Magnetic properties</topic><topic>Magnetic relaxation</topic><topic>Magnets</topic><topic>Mathematical analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Wen</creatorcontrib><creatorcontrib>Shang, Tao</creatorcontrib><creatorcontrib>Wang, Juan</creatorcontrib><creatorcontrib>Bin-Ling, Yao</creatorcontrib><creatorcontrib>Li-Cun, Li</creatorcontrib><creatorcontrib>Ma, Yue</creatorcontrib><creatorcontrib>Wang, Qing-Lun</creatorcontrib><creatorcontrib>Yuan-Zhu, Zhang</creatorcontrib><creatorcontrib>Yi-Quan, Zhang</creatorcontrib><creatorcontrib>Zhao, Bin</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Wen</au><au>Shang, Tao</au><au>Wang, Juan</au><au>Bin-Ling, Yao</au><au>Li-Cun, Li</au><au>Ma, Yue</au><au>Wang, Qing-Lun</au><au>Yuan-Zhu, Zhang</au><au>Yi-Quan, Zhang</au><au>Zhao, Bin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Slow magnetic relaxation in a Dy3 triangle and a bistriangular Dy6 cluster</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><date>2022-06-21</date><risdate>2022</risdate><volume>51</volume><issue>24</issue><spage>9404</spage><epage>9411</epage><pages>9404-9411</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>Two lanthanide single-molecule magnets (SMMs) [Dy3(μ3-OH)(HL-1)3(H2O)3](NO3)2·3H3O (1, H3L-1 = (E)-3-(((8-hydroxyquinolin-2-yl)methylene)amino)propane-1,2-diol) and [Dy6(μ3-OH)4(H2L-2)4(HL-2)2(L-2)2] (2, H3L-2 = (E)-2-hydroxy-N′-(2-hydroxy-3-methoxybenzylidene)benzohydrazide) were synthesized and characterized structurally and magnetically. Complex 1 contains a triangular Dy3 core in which the three Dy3+ ions share a μ3-OH− anion and the deprotonated ligands of (HL-1)2− serve both capping and bridging functions, while 2 displays a centrosymmetric hexanuclear DyIII structure with two similar Dy3 triangular cores ligated by two fully deprotonated (L-2)3− ligands, each of which shares two μ3-OH− anions. All the DyIII ions are eight-coordinated with quasi D2d or C2v symmetry. Magnetic studies reveal that 1 exhibited two-step magnetic relaxation under an applied dc field of 800 Oe, with effective energy barriers of 40.1 and 31.0 K for the slow relaxation (SR) and fast relaxation regimes (FR), respectively. Meanwhile, 2 only showed a tail of slow magnetic relaxation at above 2 K. Ab initio calculations have been carried out to show the nature of their different magnetic properties.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1dt03414f</doi><tpages>8</tpages></addata></record> |
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subjects | Anions Ligands Magnetic induction Magnetic properties Magnetic relaxation Magnets Mathematical analysis |
title | Slow magnetic relaxation in a Dy3 triangle and a bistriangular Dy6 cluster |
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