| 研究生: |
王棱峰 wang, Ling-phone |
|---|---|
| 論文名稱: |
亞鐵自旋轉換錯合物的合成及磁性 The synthesis and magnetic properties of Fe(II) spin-crossover complexes |
| 指導教授: |
蔡惠蓮
Tsai, Hui-Lien |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 化學系 Department of Chemistry |
| 論文出版年: | 2002 |
| 畢業學年度: | 90 |
| 語文別: | 中文 |
| 論文頁數: | 104 |
| 中文關鍵詞: | 自旋轉換 、磁姓轉換 |
| 外文關鍵詞: | spin crossover, spin transition |
| 相關次數: | 點閱:101 下載:8 |
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亞鐵錯合物Fe(C6H8N2)2(NCS)2 (1),Fe(C6H8N2)2(NCSe)2 (2),Fe(C7H10N2)2(NCS)2 (3),Fe(C7H10N2)2(NCSe)2 (4),Fe(C12H14N4)
(NCS)2•1/4C2H5OH (5),Fe(C25H24N4)(NCS)2•C2H5OH (6),Fe(C6H8N2)2(CH3COO)2 (7)的合成與磁性的研究,本論文將報告及討論。2-300 K直流磁化率(DC)的測量結果,1、2、3及4具有熱誘導自旋轉換(S = 2 ?S = 0)的磁性,而錯合物5、6及7為高自旋態(S = 2)。原子的取代,配位基的取代及修飾對亞鐵錯合物自旋影響很大,進而影響其磁性。
The synthesis and magnetic properties of ferrous complexes Fe(C6H8N2)2(NCS)2 (1), Fe(C6H8N2)2(NCSe)2 (2), Fe(C7H10N2)2 (NCS)2 (3), Fe(C7H10N2)2 (NCSe)2?(4), Fe(C12H14N4)(NCS)2•1/4 C2H5OH (5), Fe(C25H24N4)(NCS)2•C2H5OH (6) and Fe(C6H8N2)2
(CH3COO)2 (7) are reported. The magnetic susceptibilities are measured from 2 K to 300 K for all complexes. Complexes 1, 2, 3 and 4 show spin crossover (S = 2 ?S = 0) behaviors and complexes 5, 6 and 7 are high spin (S = 2). The magnetic behaviors of these complexes are influenced by the replacement of atom or the change and modifiaction of ligands.
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