Optimization of the operating regime of Pb1-xSnxTe(In) terahertz photodetectorsстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 24 марта 2017 г.
Аннотация:We present results of an experimental study concentrated on performance optimization of highly sensitive Pb1-xSnxTe(In) terahertz photodetectors perspective for applications in the terahertz astronomy. The optimization was reached trough variation of the regime of persistent photoconductivity quenching by radiofrequency pulses. It is demonstrated that the quenching effectiveness rises rapidly with decreasing the radiofrequency in a quenching pulse. In certain regimes, the quenching boosts the photoresponse after the end of the radiofrequency pulse. Possible mechanisms of the radiofrequency quenching of the terahertz persistent photoconductivity in Pb1-xSnxTe(In) are discussed.