Departments of Physics

Publications :

1.Pawan Chetri and Amarjyoti Choudhury, Investigation of optical properties of SnO2 nanoparticles, Physica E, 47, 257-263, 2013. https://doi.org/10.1016/j.physe.2012.11.011

2.Pawan Chetri, Biswajit Choudhury, Amarjyoti Choudhury, Room temperature ferromagnetism in SnO2 nanoparticles: An experimental and Density Functional study, J. Mater. Chem. C 2, 9294-9302, 2014. https://pubs.rsc.org/en/content/articlelanding/2014/tc/c4tc01070a/unauth

3.Pawan  Chetri,  Priyanka  Basyach  and  Amarjyoti  Choudhury,  Structural,  optical  and  photocatalytic properties of TiO2/SnO2 and SnO2/TiO2 core–shell nanocomposites: An experimental and DFT investigation, Chemical Physics 434, 1-10,  2014.  https://www.sciencedirect.com/science/article/abs/pii/S0301010414000536

4.Pawan Chetri, Priyanka Basyach, Amarjyoti Choudhury, Exploring the Structural and Magnetic Properties of TiO2/SnO2 core/shell nanocomposite: An experimental and Density Functional Study, Journal of Solid State Chemistry 220,124-131, 2014. https://www.sciencedirect.com/science/article/abs/pii/S0022459614003776

5.Pawan Chetri, Bhamyarswa Saikia, and Amarjyoti Choudhury, Structural and optical properties of Cu doped SnO2 nanoparticles: An experimental and density functional study, J. Appl. Phys. 113, 233514 (1-8), 2013. https://aip.scitation.org/doi/abs/10.1063/1.4811374

6.Pawan Chetri and Amarjyoti Choudhury, Investigation of structural and magnetic properties of nanoscale Cu doped SnO2: An Experimental and Density Functional Study, J. Alloys & Compounds, 627,261-267, 2015. https://www.sciencedirect.com/science/article/abs/pii/S0925838814030199

7.Pawan Chetri, Ramesh Ch. Deka , Amarjyoti Choudhury, Structural and electronic properties of stable Lin (n= 2–10) clusters: A density functional study, Physica B, 430, 74-80, 2013. https://www.sciencedirect.com/science/article/abs/pii/S0921452613004687

8.Pawan Chetri, Priyanka Basyach, Amarjyoti Choudhury, Structural and Optical property of core/shell TiO2/SnO2nanocomposites exhibiting photocatalytic behavior, Int. J. Innovative res. development 1, 56 -61,2012.

9.Biswajit Choudhury, Pawan Chetri and Amarjyoti Choudhury, Oxygen defects and formation of Ce3+affecting the photocatalytic performance of CeO2 nanoparticles, RSC Adv.4, 4663-4671, 2014. https://pubs.rsc.org/en/content/articlelanding/2013/ra/c3ra44603d/unauth

10.Biswajit Choudhury , Pawan Chetri & Amarjyoti Choudhury, Annealing temperature and oxygen- vacancy- dependent variation of lattice strain, band gap and luminescence properties of CeO2  nanoparticles, Journal of Experimental Nanoscience 10, 103-114, 2013. https://www.tandfonline.com/doi/full/10.1080/17458080.2013.801566

11.Susmita Paul, Pawan Chetri, Amarjyoti Choudhury, Effect of manganese doping on the optical property and photocatalytic activity of nanocrystalline titania: Experimental and theoretical investigation, Journal of Alloys and Compounds 583, 578-586, 2014. https://www.sciencedirect.com/science/article/abs/pii/S0925838813020963

12.Priyanka Basyach, Pawan Chetri and Amarjyoti Choudhury, Enhanced Photocatalytic Activity of Core-Shell TiO2/SnO2 Nanostructures under UV Illumination, International Journal of Scientific & Engineering Research, 4,28-31, 2013.

13.Susmita Paul, Pawan Chetri, Biswajit Choudhury, Gazi Ameen Ahmed and Amarjyoti Choudhury, Enhanced visible light photocatalytic activity of Gadolinium doped nanocrystalline titania: An experimental and theoretical study, Journal of Colloid and Interface Science 439, 54-61, 2015.

https://www.sciencedirect.com/science/article/abs/pii/S0021979714007425

14.Pawan Chetri, Priyanka Basyach, Amarjyoti Choudhury, Daylight photocatalytic activity of TiO2/SnO2 core/shell nanostructures: An experimental and density functional study,AIP Conference Proceedings 1591, 351, 2014. https://aip.scitation.org/doi/abs/10.1063/1.4872598

15.D Kalita, L Chetia, P Chetri, GA Ahmed, Investigation of structural and luminescence properties of nanocrystalline tungsten-incorporated molybdenum disulphide ternary compounds: an experimental and DFT study, Bulletin of Materials Science 42 (3), 1-18, 2019. https://link.springer.com/article/10.1007/s12034-019-1796-2

16.G Bortamuly, P Chetri, S Bardaloi, Effect of Lead (Pb) Concentrations on Structural & Optical Properties of PbS Thin Films, Indian Journal of Pure & Applied Physics (IJPAP) 59 (6), 447-451, 2021. http://14.139.47.23/index.php/IJPAP/article/view/41650

17.Pawan Chetri, Bijit Bora, Tapan Kumar Baishya, Molecular graph theory based study on Lin cluster: a correlation between physical property and topological descriptors, Bulletin of Materials Science 44 (3), 1-7, 2021. https://link.springer.com/article/10.1007/s12034-021-02500-8

18.N Shukla, P Chetri, GA Ahmed, Structural, optical and magnetic study of Eu2+ doped SnO2 nanosystems: an experimental and DFT based investigation, Journal of Materials Science 56 (34), 18911-18925, 2021. https://link.springer.com/article/10.1007/s10853-021-06586-7

19.T. Baishya, B. Bora, P. Chetri, U. Gogoi, On Degree Based Topological Indices of TiO2 Crystal via M-Polynomial, Trends in Sciences 19 (2), 2022. https://doi.org/10.48048/tis.2022.2022

20.N Shukla, P Chetri, GA Ahmed,A Newly Developed Dispersive Interaction Approach, DFT-D3, To The Three-Dimensional Topological Host Material Sb2Te3.

https://assets.researchsquare.com/files/rs-595852/v1/25a56b4b-9fd5-4a67-8e7c-b2799cd1b3d5.pdf?c=1637245383

OP/RC/Seminar/wokshop Partcipation :

Awards/Achievement received:

1. Available as Reviewer of Applied Materials and Interfaces (ACS), Catalysis Today (Elsevier), Journal of Alloys and Compounds (Elsevier) and  Material Chemistry and Physics (Elsevier).

2. Co investigator in the UGC-UKIERI sponsored project (A collaborative  project between Tezpur University and University of Southampton)

3. Visited University of Southampton as scholar in 2014.

4. Principal investigator of a minor project sponsored by UGC.

5. Gold Medallist in Post Graduation.

6. DST-INSPIRE Junior Research Fellow and Senior Research Fellow.

Other Responsibility :

Membership in Professional Bodies/organization/Committees :

Extension Activities :