Magnetic Properties of the Distorted Kagome Lattice Mn3(1,2,4-O2C)3C6H3)2

被引：2

作者：

Mole, Richard A. ^{[1
,2
]}

Greene, Stephen ^{[3
]}

Henry, Paul F. ^{[5
,6
]}

Humphrey, Simon M. ^{[3
,7
]}

Rule, Kirrily C. ^{[1
]}

Unruh, Tobias ^{[4
,8
]}

Weldon, Gerald F. ^{[3
]}

Yu, Dehong ^{[1
]}

Stride, John A. ^{[1
,2
]}

Wood, Paul T. ^{[3
]}

机构：

[1] Australian Nucl Sci & Technol Org, Locked Bag 2001, Kirrawee Dc, NSW 2225, Australia

[2] Univ New South Wales, Dept Chem, Sydney, NSW 2052, Australia

[3] Univ Cambridge, Dept Chem, Lensfield Rd, Cambridge CB2 1EW, England

[4] Tech Univ Muenchen, Heinz Maier Leibnitz Zenturm, Lichtenbergstr 1, D-85747 Garching, Germany

[5] Inst Laue Langevin, CS 20156, F-38042 Grenoble 9, France

[6] STFC Rutherford Appleton Lab, ISIS Facil, Harwell Campus, Didcot OX11 0QX, Oxon, England

[7] Univ Texas Austin, Dept Chem, Welch Hall 2-204,105E 24th St A5300, Austin, TX 78712 USA

[8] Univ Erlangen Nurnberg, Phys Dept, Chair Crystallog & Struct Phys, D-91058 Erlangen, Germany

来源：

INORGANIC CHEMISTRY | 2017年 / 56卷 / 14期

基金：

英国工程与自然科学研究理事会;

关键词：

ELASTIC NEUTRON-SCATTERING; MOLECULAR-DYNAMICS; DIFFUSION; JAROSITE; STATE; FERROMAGNETISM; EXCITATIONS; KAPELLASITE; MIL-47(V); SYMMETRY;

D O I：

10.1021/acs.inorgchem.7b00597

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Kagome lattice types have been of intense interest as idealized examples of extended frustrated spin systems. Here we demonstrate how the use of neutron diffraction and inelastic neutron scattering coupled with spin wave theory calculations can be used to elucidate the complex magnetic interactions of extended spin networks. We show that the magnetic properties of the coordination polymer Mn-3(1,2,4-(O2C)(3)C6H3)(2), a highly distorted kagome lattice, have been erroneously characterized as a canted antiferromagnet in previous works. Our results demonstrate that, although the magnetic structure is ferrimagnetic, with a net magnetic moment, frustration persists in the system. We conclude by, showing that the conventions Goodenough-Kanamori rules, which are often applied to similar magnetic exchange interactions, are not relevant in this case.

引用

页码：7851 / 7860

页数：10

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