Synthesis, Structure, and Properties of a Copper Bromide Coordination Compound with 3-Amino-4-EthoxyCarbonylPyrazole. Nature of the Nonresonant and Ferromagnetic Absorption Observed by EPR

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• 作者：A. S. Berezin ; V. A. Nadolinny…
• 关键词：EPR ; Ferromagnetism ; Nonresonance absorption ; 3 ; Amino ; 4 ; ethoxycarbonylpyrazole
• 刊名：Journal of Superconductivity Incorporating Novel Magnetism
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：28
• 期：3
• 页码：1007-1011
• 全文大小：1,035 KB
• 参考文献：1. Ovcharenko, VI, Sagdeev, RZ (1991) Russ. Chem. Rev. 68: pp. 381400
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• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Superconductivity, Superfluidity and Quantum Fluids
  Magnetism and Magnetic Materials
  Condensed Matter
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1557-1947

文摘

Synthesis, structure, and magnetic properties of copper bromide CuL2Br2 with 3-amino-4-ethoxycarbonylpyrazole (L) are presented. The CuL2Br2 is a 1D polymer complex and crystal structure has triclinic symmetry with space group P-1. The examined compound has thermochromic properties (russet ?light red), and its magnetic properties are changed from paramagnetic to nonresonance and ferromagnetic ones after heat treatment (300 ?77 ?300 K) or pressure treatment (1 ?3,000 ?1 atm).