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Modifications of structural, optical and electrical properties of nanocrystalline bismuth sulphide by using swift heavy ions

Ahire, RR and Sagade, AA and Chavhan, SD and Huse, V and Gudage, YG and Singh, F and Avasthi, DK and Phase, DM and Sharma, R (2009) Modifications of structural, optical and electrical properties of nanocrystalline bismuth sulphide by using swift heavy ions. Current Applied Physics, 9. pp. 374-379. ISSN 1567-1739

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Abstract

Modified chemical bath deposited (MCBD) bismuth sulphide (Bi 2 S 3 ) thin films' structural, optical and electrical properties are engineered separately by annealing in air for 1 h at 300 °C and irradiating with 100 MeV Au swift heavy ions (SHI) at 5 × 10 12 ions/cm 2 fluence. It is observed that the band gap of the films gets red shifted after annealing and irradiation from pristine (as deposited) films. In addition, there is an increase in the grain size of the films due to both annealing and irradiation, leading to the decrease in resistivity and increase in thermoemf of the films. These results were explained in the light of thermal spike model. © 2008 Elsevier B.V. All rights reserved.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:35
Last Modified: 31 Aug 2017 01:22
DOI: