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performance evaluation of carbon nanotube junctionlesstunneling field effect transistor (cnt-jltfet) under torsionalstrain: a quantum simulation study
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نویسنده
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moghadam soheila ,ghoreishi saleh ,yousefi reza ,adarang habib
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منبع
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international journal of nano dimension - 2020 - دوره : 11 - شماره : 3 - صفحه:258 -266
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چکیده
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In this paper, the performance of a cnt-jltfet under different values of torsional strains of 0, 3, and5 degrees has been investigated. simulation has been carried out using non-equilibrium green’s function(negf) formalism in the mode-space approach and in the ballistic limit. the simulation results indicatethat, under torsional strain, an increase occurs in the energy band-gap, and thus the on- and off-currents arereduced, thought that reduction has a greater percentage in the off-current, resulting in the increase in theon/off current ratio. besides, the switching characteristics of the device including power-delay product(pdp) and intrinsic delay (τ) have been studied.
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کلیدواژه
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band-structure-limited velocity; intrinsic delay (τ); mode-space; power-delay-product (pdp);torsional strain
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آدرس
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islamic azad university, nour branch, department of electrical engineering, iran, islamic azad university, nour branch, department of electrical engineering, iran, islamic azad university, nour branch, department of electrical engineering, iran, islamic azad university, nour branch, department of electrical engineering, iran
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پست الکترونیکی
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habibadrang@gmail.com
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Authors
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