| Autor: |
Nomokonov, D. V., Goran, A. V., Bykov, A. A. |
| Předmět: |
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| Zdroj: |
Journal of Applied Physics; 2019, Vol. 125 Issue 16, pN.PAG-N.PAG, 8p, 2 Diagrams, 4 Graphs |
| Abstrakt: |
The magnetoconductivity in anisotropic Corbino geometry has been studied experimentally and theoretically. The magnetoconductivity curve σrr(B) follows the average magnetoconductivity σar(B) = (σxx(B) + σyy(B))/2 in classically strong magnetic fields. In the region of classically weak magnetic fields, σrr(B) goes below σar(B). A theoretical study of anisotropic Corbino disk (ACD) magnetoconductivity has been carried out using the classical description of transport based on the calculation of current streamlines. The expressions for calculating the ACD magnetoconductivity for an arbitrary degree of anisotropy have been obtained. In the region of fields B > 1/μ, where μ is the mobility, the calculation results are in good agreement with the experiment. In the fields B < 1/μ, we have not been able to compare the calculations with the experiment because of using samples with too high mobility and a simple two-point measurement scheme. Our calculations allow us to estimate the value of deviation of the ACD magnetoconductivity from the average magnetoconductivity in a weak magnetic field. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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