This article is cited in 10 papers

Micro- and nanocrystalline, porous, composite semiconductors

Electrical properties and energy parameters of $n$-FeS$_{2}$/$p$-Cd$_{1-x}$Zn$_{x}$Te heterojunctions

I. G. Orletskii, M. I. Ilashschuk, M. N. Solovan, P. D. Mar'yanchuk, O. A. Parfenyuk, E. V. Maistruk, S. V. Nichyi

Chernivtsi National University named after Yuriy Fedkovych

Abstract: The conditions for fabricating $n$-FeS$_{2}$/$p$-Cd$_{1-x}$Zn$_{x}$Te heterojunctions by the spray pyrolysis of thin pyrite films on $p$-Cd$_{1-x}$Zn$_{x}$Te crystalline substrates are investigated. A comprehensive analysis of the current–voltage (I–V) and capacitance–voltage ($C$–$V$) characteristics makes it possible to establish the limitation of the reverse current by the space-charge region at small reverse biases and consider the mechanisms of current formation with the participation of energy levels near the heterojunction. A model of the energy profile of the $n$-FeS$_{2}$/$p$-Cd$_{1-x}$Zn$_{x}$Te heterojunction is proposed, which turns out to be in good correspondence with the experimentally determined parameters and the dynamics of their change with a variation in temperature.

Keywords: $x$ZnxTe, Pyrite Thin Films, Spray Pyrolysis, Reverse Current.

Received: 24.10.2017
Accepted: 01.11.2017

DOI: 10.21883/FTP.2018.09.46153.8754

 English version: Semiconductors, 2018, 52:9, 1171–1177

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