Coulomb gap and variable range hopping in a pinned Wigner crystal

Details Coulomb gap and variable range hopping in a pinned Wigner crystal Coulomb gap and variable range hopping in a pinned Wigner crystal

2003-10-02

arxiv.org/abs/cond-mat/0310041v1

Phys. Stat. Sol. (c) 1, 46 (2004).

Physics

Condensed Matter

To be published in proceedings of 10th conference on hopping and related phenomena in Physica Status Solidi

Scientific paper

10.1002/pssc.200303642

It is shown that pinning of an electron Wigner crystal by a small concentration of charged impurities creates the finite density of charged localized states near the Fermi level. In the case of residual impurities in the spacer this density of states is related to nonlinear screening of a close acceptor by a Wigner crystal vacancy. On the other hand, intentional doping by a remote layer of donors is a source of a long range potential, which generates dislocations in Wigner crystal. Dislocations in turn create charged localized states near the Fermi level. In both cases Coulomb interaction of localized states leads to the soft Coulomb gap and ES variable range hopping at low enough temperatures.

Affiliated with

Also associated with

No associations

Rating

Coulomb gap and variable range hopping in a pinned Wigner crystal does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Coulomb gap and variable range hopping in a pinned Wigner crystal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coulomb gap and variable range hopping in a pinned Wigner crystal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-211842