OPTIC-PHONON-LIMITED TRANSPORT AND ANOMALOUS CARRIER COOLING IN QUANTUM-WIRE STRUCTURES

被引：29

作者：

LEBURTON, JP

机构：

[1] Beckman Institute for Advanced Science and Technology, Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana

来源：

PHYSICAL REVIEW B | 1992年 / 45卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.45.11022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present an analytical derivation of the distribution function of a one-dimensional electron gas at high temperature. The quenching of carrier-carrier scattering and the predominance of polar-optic-phonon scattering make the system nonergodic and provide a "jagged" profile to the distribution which results in carrier cooling below the thermal energy. In GaAs quantum wires, this anomalous effect, which is characterized by extremely high carrier mobility, is predicted to occur above T(L) = 150 K. These conclusions are in excellent agreement with results of Monte Carlo simulations.

引用

页码：11022 / 11030

页数：9

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