期刊
SCIENCE
卷 370, 期 6516, 页码 587-591出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.abb3861
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资金
- University of Bordeaux
- Region Nouvelle Aquitaine
- Quantum Matter Bordeaux
- Centre National de la Recherche Scientifique (CNRS)
- Basque Government
- VILLUM FONDEN [15374]
- Academy of Finland [289172]
- Academy of Finland (AKA) [289172, 289172] Funding Source: Academy of Finland (AKA)
Magnets derived from inorganic materials (e.g., oxides, rare-earth-based, and intermetallic compounds) are key components of modern technological applications. Despite considerable success in a broad range of applications, these inorganic magnets suffer several drawbacks, including energetically expensive fabrication, limited availability of certain constituent elements, high density, and poor scope for chemical tunability. A promising design strategy for next-generation magnets relies on the versatile coordination chemistry of abundant metal ions and inexpensive organic ligands. Following this approach, we report the general, simple, and efficient synthesis of lightweight, molecule-based magnets by postsynthetic reduction of preassembled coordination networks that incorporate chromium metal ions and pyrazine building blocks. The resulting metal-organic ferrimagnets feature critical temperatures up to 242 degrees C and a 7500-oersted room-temperature coercivity.
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