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pH-Controlled Assembly of Organophosphonate-Bridged Dysprosium(III) Single-Molecule Magnets Based on Polyoxometalates.
Huo, Yu; Chen, Yan-Cong; Wu, Si-Guo; Jia, Jian-Hua; Chen, Wen-Bin; Liu, Jun-Liang; Tong, Ming-Liang.
  • Huo Y; Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China.
  • Chen YC; Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China.
  • Wu SG; Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China.
  • Jia JH; Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China.
  • Chen WB; Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China.
  • Liu JL; Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China.
  • Tong ML; Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , P. R. China.
Inorg Chem ; 57(12): 6773-6777, 2018 Jun 18.
Article en En | MEDLINE | ID: mdl-29863855
ABSTRACT
Two structurally intriguing dysprosium(III)-substituted polyoxometalates, [Dy6(ampH)4(H2O)23(ampH2)(PW11O39)2] (1) and [Dy9(CO3)3(ampH)2(H2O)12(PW10O37)6]35- (2), are assembled by the same precursor under different pH conditions. The structure of 1 contains an octahedral {Dy6(ampH)4} core, and a unique windmill-type {Dy9(CO3)3(ampH)2} for 2. Single-molecule magnet behavior is observed for 2 with a thermally activated energy barrier of 56 K and no appreciable quantum tunneling of magnetization under zero field.
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2018 Tipo del documento: Article
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2018 Tipo del documento: Article