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期刊论文

Resonant tunneling in periodic multiple-barrier structures with compound-barrier unit

陈治明X. D. ZHAO H. YAMAMOTO K. TANIGUCHI Z. M. CHEN

Superlattices and Microstructures, Vol. 19, No. 4, 1996,-0001,():

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摘要/描述

Resonant tunneling in multiple-barrier structures with arbitrary potential profile is studied theoretically. Analytical expressions of the transmission coefficient and the resonance condition are derived by taking into account the mass difference between well and barrier layers. The basic barrier unit in the periodic multiple-barrier structure may be a compound-barrier structure, and the simplest compound-barrier unit is the double-barrier unit. Two independent resonance conditions exist in the multiple-barrier structures with compound-barrier unit and both the subband gap energy and the energy value at the center of the subband gap may be determined analytically and independently for the multiple-barrier structure with doublebarrier unit.

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