Anomalous temperature dependence of commensurability oscillations in one- and two-dimensional lateral superlattices

被引：4
|
作者：
Mitzkus, C [1 ]
Kangler, W
Weiss, D
Wegscheider, W
Umansky, V
机构：
[1] Univ Regensburg, D-93040 Regensburg, Germany
[2] Weizmann Inst Sci, Braun Ctr Submicron Res, IL-76100 Rehovot, Israel
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2002年 / 12卷 / 1-4期
关键词：
magnetotransport; density modulated systems; lateral superlattices; commensurabiliry oscillations;
D O I：
10.1016/S1386-9477(01)00322-8
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Two-dimensional electron systems were laterally modulated using the method of in situ interferometric illumination. Magnetotransport measurements on ID and 2D modulated systems revealed a phase change of the commensurability oscillations depending on temperature. This behaviour is surprising and cannot be explained by existing theories. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：208 / 211
页数：4
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