| 羧酸根桥连稀土一维链配合物的制备及磁性能研究 |
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| 引用本文： | 杨燕,雷全,苏港平,龚俐,王博,佘世雄.羧酸根桥连稀土一维链配合物的制备及磁性能研究[J].人工晶体学报,2017,46(7):1348-1354. |
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| 作者姓名： | 杨燕 雷全 苏港平 龚俐 王博 佘世雄 |
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| 作者单位： | 青海大学化工学院,西宁,810016 |
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| 基金项目： | 国家自然科学基金(21461021),青海省自然科学基金青年基金(2014-ZJ-940Q),教育部"春晖计划"(Z2014008) |
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| 摘 要： | 以4-氨基苯甲酸(HPAA)和Ln(NO3)3·6H2O(Ln=Tb, Ho)为原料,经溶剂热反应合成了两个新型的配合物Ln2(PAA)6]n (Ln=Tb(1),Ho(2)).并利用X-射线单晶衍射、红外光谱(FT-IR)、热重分析(TG-DTA)和SQUID磁性测量仪等实验手段对配合物进行了表征.结果表明,配合物1-2为完全同构化合物,由羧酸根桥连Ln2(PAA)6单元形成一维链结构.磁性研究表明配合物1表现出慢磁驰豫行为.
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| 关 键 词： | 羧酸根桥连 稀土 一维链 晶体结构 磁性 |
Synthesis and Magnetic Properties of Two One-dimensional Lanthanide Complexes Bridged by Carboxylate Ions |
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| YANG Yan,LEI Quan,SU Gang-ping,GONG Li,WANG Bo,SHE Shi-xiong.Synthesis and Magnetic Properties of Two One-dimensional Lanthanide Complexes Bridged by Carboxylate Ions[J].Journal of Synthetic Crystals,2017,46(7):1348-1354. |
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| Authors: | YANG Yan LEI Quan SU Gang-ping GONG Li WANG Bo SHE Shi-xiong |
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| Abstract: | Two new carboxylate-bridged 1D chain complexes, e.g.Ln2(PAA)6]n ((PAA-=4-aminobenzoic acid anion, Ln=Tb(1),Ho(2)), have been synthesized under solvothermal conditions and characterized by single crystal X-ray crystallography analysis, FT-IR,TG-DTA and elemental analysis.Results show that both complexes are isostructural 1D chains and bridged by carboxylate groups.Magnetic susceptibility of polycrystalline samples of complex 1 were carried out ousing a SQUID magnetometer.The magnetic studies indicate that complex 1 exhibits slow magnetic relaxation behavior. |
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| Keywords: | carboxylate-bridged lanthanide 1D chain crystal structure magnetic property |
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