Terahertz Plasma Waves in Two Dimensional Quantum Electron Gas with Electron Scattering

ZHANG Liping (张丽萍)

doi:10.1088/1009-0630/17/10/03

Plasma Science and Technology > 2015 > 17(10): 826-830. > DOI: 10.1088/1009-0630/17/10/03

ZHANG Liping (张丽萍). Terahertz Plasma Waves in Two Dimensional Quantum Electron Gas with Electron Scattering[J]. Plasma Science and Technology, 2015, 17(10): 826-830. DOI: 10.1088/1009-0630/17/10/03

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Terahertz Plasma Waves in Two Dimensional Quantum Electron Gas with Electron Scattering

ZHANG Liping (张丽萍)

School of Sciences, LanZhou University of Technology, Lanzhou 730050, China

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Received Date: November 09, 2014

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Abstract

Abstract

We investigate the Terahertz (THz) plasma waves in a two-dimensional (2D) elec?tron gas in a nanometer field effect transistor (FET) with quantum effects, the electron scattering, the thermal motion of electrons and electron exchange-correlation. We find that, while the elec?tron scattering, the wave number along y direction and the electron exchange-correlation suppress the radiation power, but the thermal motion of electrons and the quantum effects can amplify the radiation power. The radiation frequency decreases with electron exchange-correlation con?tributions, but increases with quantum effects, the wave number along y direction and thermal motion of electrons. It is worth mentioning that the electron scattering has scarce influence on the radiation frequency. These properties could be of great help to the realization of practical THz plasma oscillations in nanometer FET.
- THz plasma waves,
- nanometer field effect transistor,
- electron scattering,
- ra?diation power,
- radiation frequency

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References

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