A perfect triangular dysprosium single-molecule magnet with virtually antiparallel Ising-like anisotropy

被引：24

作者：

Lu, Guang ^{[1
]}

Liu, Yang ^{[1
]}

Deng, Wei ^{[1
]}

Huang, Guo-Zhang ^{[1
]}

Chen, Yan-Cong ^{[1
]}

Liu, Jun-Liang ^{[1
]}

Ni, Zhao-Ping ^{[1
]}

Giansiracusa, Marcus ^{[2
]}

Chilton, Nicholas F. ^{[2
]}

Tong, Ming-Liang ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Chem, Minist Educ, Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Peoples R China

[2] Univ Manchester, Sch Nat Sci, Dept Chem, Oxford Rd, Manchester M13 9PL, Lancs, England

来源：

INORGANIC CHEMISTRY FRONTIERS | 2020年 / 7卷 / 16期

关键词：

SPIN FRUSTRATION; GROUND-STATE; 2-STEP RELAXATION; CU(II) COMPLEXES; ION MAGNET; TRIANGLES; EXCHANGE; BEHAVIOR; LIGANDS; METAL;

D O I：

10.1039/d0qi00655f

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We report a trinuclear dysprosium single-molecule magnet, [Dy-3(mu(3)-CO3)((Cl)bbpen)(3)](CF3SO3)center dot 6MeCN, which has a perfectly equilateral triangular structure. The Ising-like anisotropy of each Dy(iii) site is oriented almost normal to the triangular plane, and magnetic dipole interactions between the spins cause an antiparallel Ising ground state. Crossing of the antiferromagnetic states by the ferromagnetic state occurs atca.0.2 T and gives rise to a characteristic step in magnetic hysteresis loops. This molecule thus serves as a perfectly triangular model system to explore frustrated Ising anisotropy.

引用

页码：2941 / 2948

页数：8

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