OBSERVATION OF ESAKI-TSU NEGATIVE DIFFERENTIAL VELOCITY IN GAAS/ALAS SUPERLATTICES

被引：296

作者：

SIBILLE, A ^{[1
]}

PALMIER, JF ^{[1
]}

WANG, H ^{[1
]}

MOLLOT, F ^{[1
]}

机构：

[1] CNRS,L2M,F-92220 BAGNEUX,FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.64.52

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The perpendicular peak velocity and critical field have been measured in a series of GaAs/AlAs superlattices as a function of the miniband width and miniband position relative to the AlAs X confined levels. The data cannot be explained by the electric-field localization mechanism [R. Tsu and G. Döhler, Phys. Rev. B 12, 680 (1975)] in the range of superlattice parameters investigated, but is qualitatively understood in terms of electron acceleration within the miniband [L. Esaki and R. Tsu, IBM J. Res. Develop. 14, 61 (1970)]. © 1990 The American Physical Society.

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页码：52 / 55

页数：4

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