Abstract
The effect of IR radiation on photoconduction of two charge-density waves (CDWs) in the monoclinic phase of quasi-1D conductor NbS3 (NbS3-II) is studied. For the CDW-1 that emerges at a temperature of ТР1 = 360 К, threshold field Et increases with irradiation power W. For CDW-2 that emerges at a temperature of TP2 = 150 K, field Et decreases due to IR irradiation, which proves anomalous character of CDW-2 and indicates direct photoactivation of its sliding. Extremely high sensitivity of the measured signal to IR radiation is obtained using stimulation of the CDW coherence by the microwave field.
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Original Russian Text © S.G. Zybtsev, V.Ya. Pokrovskii, V.F. Nasretdinova, S.V. Zaitsev-Zotov, 2018, published in Radiotekhnika i Elektronika, 2018, Vol. 63, No. 9, pp. 992–997.
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Zybtsev, S.G., Pokrovskii, V.Y., Nasretdinova, V.F. et al. Anomalous Photoconduction of Low-Temperature Charge-Density Wave in NbS3-II as a Physical Basis of a Method for Detection of Weak Signals. J. Commun. Technol. Electron. 63, 1053–1058 (2018). https://doi.org/10.1134/S1064226918090279
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DOI: https://doi.org/10.1134/S1064226918090279