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Landau Level Broadening and Van Hove Singularities in Lateral Surface Superlattices

Weiss, Dieter, Klitzing, Klaus von, Ploog, K. and Weimann, G. (1990) Landau Level Broadening and Van Hove Singularities in Lateral Surface Superlattices. Surface Science 229, pp. 88-91.

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Other URL: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TVX-46XB0VD-145&_user=616165&_coverDate=04%2F02%2F1990&_alid=858838157&_rdoc=1&_fmt=high&_orig=search&_cdi=5546&_sort=d&_docanchor=&view=c&_ct=1&_acct=C000032338&_version=1&_urlVersion=0&_userid=6, http://www.sciencedirect.com/science/journal/00396028


Abstract

A lateral periodic submicrometer potential in one direction superimposed on a two- dimensional electron gas (2DEG) lifts the degeneracy of the Landau levels (LL\'s) and leads to modulation broadened Landau bands. Due to the new band structure, singularities in the density of states (DOS) are expected which should result in a double peaked structure of the LL\'s (Van Hove singularities). ...

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Item type:Article
Date:1990
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Identification Number:
ValueType
10.1016/0039-6028(90)90841-UDOI
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Unknown
Item ID:7857
Owner only: item control page

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