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TEMPERATURE AND FIELD DEPENDENT ELECTRICAL CONDUCTIVITY OF AlXGa1-XAs TERNARY ALLOY | ||
| Journal of Sciences, Islamic Republic of Iran | ||
| مقاله 11، دوره 13، شماره 2، تابستان 2002 اصل مقاله (188.51 K) | ||
| چکیده | ||
| The variations of the electrical conductivity with temperature and electric field of the ternary alloy of gallium, aluminium and arsenic (Al0.75Ga0.25As) with atomic compositions of 99/1 and 98/2 have been investigated. The electrical conductivity of the alloy increases with temperature according to the relation, ? = ?0 exp (??/kT). The activation energy calculated from this empirical relation is 1.42±0.01 eV. The investigation of the variation of electrical conductivity with electric field of the samples reveals that in the low field region (< 1,400 V/m), the conduction is ohmic while in the high field region (> 1,400 V/m), the results are interpreted in terms of space charge limited currents. | ||
| عنوان مقاله [English] | ||
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| چکیده [English] | ||
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آمار تعداد مشاهده مقاله: 917 تعداد دریافت فایل اصل مقاله: 1,139 |
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