Compensation Effect in the Electrical Conduction Process in Some Nitroaromatic Semiconductors
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- Ghosh Alpana
- Optics Department, Indian Association for the Cultivation of Science
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- Jain Kapur Mal
- Optics Department, Indian Association for the Cultivation of Science
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- Mallik Biswanath
- Optics Department, Indian Association for the Cultivation of Science
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- Misra T. N.
- Optics Department, Indian Association for the Cultivation of Science
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The validity of the compensation rule has been studied for some nitroaromatic semiconductors, namely 1,3,5-trinitrobenzene (TNB), 1,4-dinitronaphthalene (DNN) and 9-nitroanthracene (NA). The activation energy (E) of electrical conductivity of these semiconductors was varied by adsorbing different organic vapours and also different amounts of a particular vapour. Only vapours showing fast and reversible adsorption and desorption were used for the purpose. Such vapours, on adsorption on the semiconductor crystallites, enhances the conductivity of these nitroaromatics with concomitant increase in E. It has been observed that specific conductivity in these nitroaromatics follow the compensation equation<BR>logσ(T)=logσ0′+[1⁄T0−1⁄T]E⁄2K.<BR>The constants E, σ0′ and the compensation temperature T0 characterise the semiconductor system, σ0′ and T0 being specific to a particular nitroaromatic compound. Various methods used for evaluating σ0′ and T0 have yielded consistent values suggesting a physical basis for the compensation effect. T0 has been found to play a significant role in dark conduction process.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 20 (6), 1059-1064, 1981
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1390001206270004096
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- NII論文ID
- 110003982002
- 210000020953
- 130003463567
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- NII書誌ID
- AA00690800
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- COI
- 1:CAS:528:DyaL3MXktleqt7g%3D
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- ISSN
- 13474065
- 00214922
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 抄録ライセンスフラグ
- 使用不可