Effect of Grain Size on Strain in a Copper Oxide Nanofilm for Gas Sensing Applications
| Authors | Sumanta Kumar Tripathy , Sanjay Kumar , Divya Aparna Narava |
| Affiliations |
Gayatri Vidya Parishad College of Engineering (Autonomous), Madhurawada, Visakhapatanam, A.P., India |
| Е-mail | |
| Issue | Volume 11, Year 2019, Number 5 |
| Dates | Received 05 July 2019; revised manuscript received 20 October 2019; published online 25 October 2019 |
| Citation | Sumanta Kumar Tripathy, Sanjay Kumar, Divya Aparna Narava, J. Nano- Electron. Phys. 11 No 5, 05040 (2019) |
| DOI | https://doi.org/10.21272/jnep.11(5).05040 |
| PACS Number(s) | 68.37.Hk, 68.55.–a, 78.40.–q |
| Keywords | Band gap (29) , Thermal evaporation (10) , XRD (92) , Transmittance and optical characteristics. |
| Annotation |
In this study, copper oxide nanofilm is synthesized on glass substrate by thermal evaporation technique for gas sensing applications. During deposition, the distance between source and substrate is kept constant and the pressure of the chamber is kept at 1.010 – 4 torr. The rate of deposition is varied from 6 to 10 Å/s. The thickness of the film is kept constant at 150 nm. The film is heat treated at varying temperature and for different time interval to get the optimum result. Structural study is done by using the Debye-Scherrer formula. From XRD graph, strain analysis is carried out which reveals that strain increases with decrease in grain size which is useful to study gas sensing of different gases. |
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List of References |
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