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WIGNER CRYSTALLIZATION IN TWO-DIMENSIONAL STRUCTURES IN MAGNETIC FIELD. ACOUSTIC STUDIES
- Authors: Drichko I.L.1, Smirnov I.Y.1, Suslov A.V.2, Lidli D.R.2, Gal'perin Y.M.1,3
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Affiliations:
- A.F. Ioffe Physico-Technical Institute of the Russian Academy of Sciences
- University of Oslo
- Issue: Vol 166, No 6 (2024)
- Pages: 868-877
- Section: ELECTRONIC PROPERTIES OF SOLIDS
- URL: https://journals.rcsi.science/0044-4510/article/view/274801
- DOI: https://doi.org/10.31857/S0044451024120101
- ID: 274801
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Abstract
A review of studies on Wigner crystallization in two-dimensional structures using acoustic methods is presented. These methods allowed determining the frequency dependencies of the real σ1 and imaginary σ2 components of high-frequency conductivity σhf = σ1 – iσ2. Charge carrier crystallization was observed at low temperatures T < 0.3K in strong magnetic fields near filling factors v ≤ 2. The frequency dependencies of real σ1 and imaginary σ2 conductivity components make it possible to establish the formation of Wigner crystal domains in structures, calculate their average sizes, and determine the melting temperature.
About the authors
I. L. Drichko
A.F. Ioffe Physico-Technical Institute of the Russian Academy of Sciences
Email: ivan.smirnov@mail.ioffe.ru
Russian Federation, Saint Petersburg, 194021
I. Yu. Smirnov
A.F. Ioffe Physico-Technical Institute of the Russian Academy of Sciences
Email: ivan.smirnov@mail.ioffe.ru
Saint Petersburg, 194021
A. V. Suslov
Email: ivan.smirnov@mail.ioffe.ru
D. R. Lidli
Email: ivan.smirnov@mail.ioffe.ru
Yu. M. Gal'perin
A.F. Ioffe Physico-Technical Institute of the Russian Academy of Sciences; University of Oslo
Author for correspondence.
Email: ivan.smirnov@mail.ioffe.ru
Saint Petersburg, 194021; 0316 Oslo, Norway
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