Robust high-spin Fe2+ centers in 2D TCNQ-based metal-organic frameworks

被引：0

作者：

Qiu, Yan Yan Grisan ^{[1
]}

Mearini, Simone ^{[1
]}

Baranowski, Daniel ^{[1
,9
,10
]}

Cojocariu, Iulia ^{[2
]}

Jugovac, Matteo ^{[2
]}

Zamborlini, Giovanni ^{[3
,4
]}

Gargiani, Pierluigi ^{[5
]}

Valvidares, Manuel ^{[5
]}

Feyer, Vitaliy ^{[1
,6
,7
]}

Schneider, Claus Michael ^{[1
,6
,7
,8
]}

机构：

[1] Forschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany

[2] Univ Trieste, Phys Dept, I-34127 Trieste, Italy

[3] Karl Franzens Univ Graz, Inst Phys, NAWI Graz, A-8010 Graz, Austria

[4] TU Dortmund Univ, Dept Phys, D-44227 Dortmund, Germany

[5] ALBA Synchrotron Light Source, Barcelona 08290, Spain

[6] Univ Duisburg Essen, Fac Phys, D-47048 Duisburg, Germany

[7] Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, D-47048 Duisburg, Germany

[8] Univ Calif Davis, Dept Phys & Astron, Davis, CA 95616 USA

[9] Pacific Northwest Natl Lab, Phys & Computat Sci Directorate, Richland, WA 99354 USA

[10] Pacific Northwest Natl Lab, Inst Integrated Catalysis, Richland, WA 99354 USA

来源：

INORGANIC CHEMISTRY FRONTIERS | 2025年 / 12卷 / 06期

基金：

欧盟地平线“2020”;

关键词：

RAY CIRCULAR-DICHROISM; ABSORPTION;

D O I：

10.1039/d4qi03123g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two-dimensional metal-organic frameworks (2D MOFs) are atomically thin materials that combine the properties of organic molecules with the structural characteristics of crystalline inorganic solids. Their unique magnetic and electronic properties arise from the interaction between transition metal centers and organic linkers. This study focuses on the high-spin Fe2+ centers in a 7,7,8,8-tetracyanoquinodimethane (TCNQ)-based 2D MOF, where hybridization between Fe 3d states and pi-symmetric orbitals of TCNQ ligands stabilizes regularly spaced magnetic centers. X-ray magnetic circular dichroism (XMCD) measurements confirm the robustness of these magnetic properties across various substrates, including graphene and gold.

引用

页码：2334 / 2340

页数：7

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