期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 3, 页码 1118-1123出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201911543
关键词
magnetoresistance; metal-organic frameworks; organic spin valves; spintronics
资金
- National Key Research and Development Program of China [2017YFA0207500]
- National Natural Science Foundation of China [51973153, 11774254]
- Natural Science Foundation of Tianjin City [17JCJQJC44600]
2D conductive metal-organic frameworks (2D c-MOFs) feature promising applications as chemiresistive sensors, electrode materials, electrocatalysts, and electronic devices. However, exploration of the spin-polarized transport in this emerging materials and development of the relevant spintronics have not yet been implemented. In this work, layer-by-layer assembly was applied to fabricate highly crystalline and oriented thin films of a 2D c-MOF, Cu-3(HHTP)(2), (HHTP: 2,3,6,7,10,11-hexahydroxytriphenylene), with tunable thicknesses on the La0.67Sr0.33MnO3 (LSMO) ferromagnetic electrode. The magnetoresistance (MR) of the LSMO/Cu-3(HHTP)(2)/Co organic spin valves (OSVs) reaches up to 25 % at 10 K. The MR can be retained with good film thickness adaptability varied from 30 to 100 nm and also at high temperatures (up to 200 K). This work demonstrates the first potential applications of 2D c-MOFs in spintronics.
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