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AC electrical properties of FeIn2S4 |
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| Authors: | Niftiev N. N. Tagiev O. B. Muradov M. B. Mamedov F. M. |
| Affiliation: | 1.Azerbaijan State Pedagogical University, ul. U. Gadzhibekova 34, Baku, Az-1000, Azerbaijan ;2.Institute of Physics, National Academy of Sciences of Azerbaijan, ul. Kh. Dzhavida 33, Baku, Az-1143, Azerbaijan ;3.Baku State University, ul. Z. Khalilova 23, Baku, Az-1148, Azerbaijan ;4.Institute of Chemical Problems, National Academy of Sciences of Azerbaijan, ul. Dzhavida 29, Baku, Az-1143, Azerbaijan ; |
| Abstract: | The frequency and temperature dependences of the ac capacitance and resistivity of FeIn2S4 semiconductors are studied. Resonances are observed at certain temperatures in the frequency range (2.5–5.0) × 105 Hz. The permittivity of the crystals and the activation energy of charge carriers are determined. It is found that electrical conduction in the given temperature interval is governed by an activation mechanism. The activation energy is frequency-dependent, because the relaxation time of barrier layers decreases with rising frequency. |
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