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Title: Tin compensation for the SnS based optoelectronic devices
Authors: Wang, SF
Wang, W
Fong, WK
Yu, Y
Surya, C
Issue Date: 2017
Publisher: Nature Publishing Group
Source: Scientific reports, 2017, v. 7, 39704 How to cite?
Journal: Scientific reports 
Abstract: In this paper we report the growth of high quality SnS thin films with good crystallinity deposited on two-dimensional (2D) mica substrates. It is believed that the 2D nature of SnS, with strong intra-layer covalent bonds and weak inter-layer van der Waals interactions, is responsible for its relative insensitivity to lattice mismatch. We also investigated the reduction of Sn vacancies in the material using Sn-compensation technique during the material growth process. The experimental results clearly demonstrated substantial enhancements in the electrical and structural properties for films deposited using Sn-compensation technique. A mobility of 51 cm2 V-1 s-1 and an XRD rocking curve full width at half maximum of 0.07° were obtained. Sn-compensated SnS/GaN:Si heterojunctions were fabricated and significant improvement in both the I-V characteristics and the spectral responsivities of the devices were characterized.
EISSN: 2045-2322
DOI: 10.1038/srep39704
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