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AC Electrical Conductivity of MnGaInSe 4 Single Crystals
Technical Physics Letters ( IF 0.8 ) Pub Date : 2020-07-18 , DOI: 10.1134/s1063785020060103 N. N. Niftiev , F. M. Mamedov , M. B. Muradov
中文翻译:
MnGaInSe 4单晶的交流电导率
更新日期:2020-07-18
Technical Physics Letters ( IF 0.8 ) Pub Date : 2020-07-18 , DOI: 10.1134/s1063785020060103 N. N. Niftiev , F. M. Mamedov , M. B. Muradov
Abstract
The frequency and temperature dependences of the ac electrical conductivity of the MnGaInSe4 single crystals have been investigated. It has been established that, in the temperature range of 295.5–360 K at frequencies of 2 × 104–106 Hz, the electrical conductivity obeys the regularity σ ~ fS(0.1 ≤ S ≤ 1.0). It is shown that the frequency dependence of the electrical conductivity for the MnGaInSe4 single crystal can be explained using a multiplet model and the conductivity in these single crystals is implemented via the band-hopping mechanism. The activation energies have been determined on the basis of dependences logσ ~ 103/T.中文翻译:
MnGaInSe 4单晶的交流电导率