| 有机材料(EDT-DSDTFVO)_2FeCl_4和(EDT-DSDTFVO)_2GaCl_4的磁电阻分析 |
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| 作者单位： | 青海民族学院电子工程与信息科学系 西宁810007(李林)，大阪市立大学大学院 日本大阪558-8585(村田惠三) |
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| 摘 要： | 有机材料(EDT-DSDTFVO)2FeCl4和(EDT-DSDTFVO)2GaCl4的输送实验结果,显示出这两类盐的电阻率对温度的依赖性以及压力效果十分相似,但是两种盐的磁电阻率却表现出很大的不同,FeCl4盐为负磁电阻,而GaCl4盐为正磁电阻。我们认为这种输送现象的差异性起源于π-d相互作用。我们用EDT-DSDTFVO表示ethylenedithiodiselenadithiafulvalenothioquinone-1,3-dithiole methide。
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| 关 键 词： | 负磁电阻 π-d相互作用 金属-绝缘体转移 |
Analysis of magneto resistance in organic material(EDT-DSDTFVO)_2FeCl_4 and(EDT-DSDTFVO)_2GaCl_4 |
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| Authors: | Li Lin Keizo Murata |
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| Institution: | Li Lin1,Keizo Murata2 |
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| Abstract: | The result in transportation experiment of the organic material crystal(EDT-DSDTFVO)2FeCl4 and(EDT-DSDTFVO)2GaCl4 indicates that the temperature independence of resistivity of these two kinds of salts and its pressure effect have some similarities.But the magneto resistance of the two salts behaves differently.FeCl4-salt is negative magnetoresistance and GaCl4-salt is positive magnetoresistance.We assert that the difference of the transportation phenomenon derives from the π-d interaction.Here,we use the EDT-DSDTFVO to express ethylenedithiodiselenadithiafulvalen othioquinone-1,3-dithiolemethide. |
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| Keywords: | Negative magneto resistance π-d interaction Metal-insulator transition |
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