4.7 Article

A stable dysprosium(III) complex with a terminal fluoride ligand showing high resolution luminescence and slow magnetic relaxation

Journal

DALTON TRANSACTIONS
Volume 49, Issue 21, Pages 6969-6973

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0dt01146k

Keywords

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Funding

  1. NSFC [21971203, 21871219, 21773130]
  2. Shenzhen Science and Technology Program [JCYJ20180306170859634]
  3. Xi'an Municipal Bureau of Science and Technology [201805056ZD7CG40]
  4. State Key Laboratory for Mechanical Behavior of Materials [20182006]
  5. Cyrus Chung Ying Tang Foundation
  6. Fundamental Research Funds for the Central Universities
  7. Guangdong Natural Science Funds for Distinguished Young Scholar [2018B030306009]
  8. China Postdoctoral Science Foundation [2019T120891, 2018M643615]
  9. Young Elite Scientists Sponsorship Program by CAST [2017QNRC001]
  10. Shaanxi National Science Foundation [2019JQ-016]

Ask authors/readers for more resources

An air-stable dysprosium(III) complex, [C(NH2)(3)](4)[DyF(piv)(4)]( piv)(2) ( piv = pivalate), with a terminal fluoride ligand protected by forming extensive hydrogen bonds with peripheral guanidiniums has been isolated. Though the magnetic data failed to determine the energy barrier for the magnetic reversal (U-eff) accurately, the fine emission spectrum of the F-4(9/2) -> H-6(15/2) transition at 4.2 K and ab initio calculations reveal that the U-eff is about 376(20) K, which is among the highest for high-coordinate (coordination numbers >= 9) lanthanide mononuclear magnets.

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