Negative Momentum Relaxation Rate and Transport in Polar Semiconductors
作者:
A. Dimoulas,
期刊:
physica status solidi (b)
(WILEY Available online 1986)
卷期:
Volume 137,
issue 1
页码: 319-329
ISSN:0370-1972
年代: 1986
DOI:10.1002/pssb.2221370132
出版商: WILEY‐VCH Verlag
数据来源: WILEY
摘要:
AbstractThe possibility of a negative momentum relaxation rate by absorption of polar optical phonons in a non‐degenerate semiconductor is examined. Charge density wave propagation is predicted as a result of this. The wave sets up an average dc field in which the electrons respond in such a way that a dc current independent of the external field flows. This implies that a persistent current could flow in the soli
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