Dr. Ratnesh K Pandey

Assistant Professor - Senior Scale 

Academic Qualifications 

  • B.Sc. (Physics) University of Allahabad 
  • M.Sc. (Physics). University of Allahabad 
  • Ph.D. (Nanotechnology Application Centre), Physics Department University of Allahabad, Allahabad


Area of Specialization:

Material Science, Nanomaterials, Ion-matter Interaction, Density Functional Theory, 2D Materials, Thin films, Fluorides.


Research & Publications:

Publications

  1. Ratnesh K Pandey, Tanuj Kumar, Udai B Singh, Shikha Awasthi, Avinash C Pandey, SHI induced evolution of surface and wettability of BaF 2 thin films, MRS Advances, 4 (2019) 1667-1672
  2. Kavyashree, Ratnesh Pandey, Dr Ram Pratap Yadav, Manvendra Kumar, Hari PratapBhasker, Ashok Mittal, A. C. Pandey, Satyendra N Pandey, Substrate effect on the evolution of surface morphology of BaF2 thin films: A study based on fractal concepts, Applied Surface Science, 466(2019) 780-786
  3. Manvendra Kumar, Ratnesh K. Pandey, Parasmani Rajput, S.A. Khan, Fouran Singh, D.K. Avasthi, Avinash C. Pandey, Swift heavy ions induced nano-grain fragmentation in fluoride thin films, Journal of Alloys and Compounds, 10(2016)695.
  4. Manvendra Kumar, Ratnesh K Pandey, Parasmani Rajput, SA Khan, Fouran Singh, DK Avasthi, Avinash C Pandey,Swift heavy ions induced nano-grain fragmentation in fluoride thin films,Journal of Alloys and Compounds, 695 (2017) 83-90
  5. Manvendra Kumar, Ratnesh K Pandey, Parasmani Rajput, Saif A Khan, Udai B Singh, Devesh K Avasthi, Avinash C Pandey,SHI induced surface re-organization of non-amorphisablenanodimensional fluoride thin films, Chem. Chem. Phys., 19 (2017) 23229-23238.
  6. UdaiBhan Singh, Ram Pratap Yadav, Ratnesh K. Pandey, Dinesh Chandra Agarwal, CompeshPannu and Ashok Kumar Mittal, Insight mechanisms of surface structuring and wettability of ion treated Ag thin films,J. Phys. Chem. C, 120 (2016) 5755–5763
  7. P. Yadav, R. K. Pandey, A. K. Mittal, Manvendra Kumar, and A. C. Pandey,Surface Roughness and Fractal Study of CaF2Thin Films, Mater. Focus 4 (2015) 403-408
  8. Ratnesh K. Pandey, Manvendra Kumar, Tanuj Kumar, Avinash C. Yadav, Udai B. Singh, Saif A. Khan, AmbujTripathi, D. K. Avasthi, Avinash C. Pandey, Dynamic scaling of swift heavy ion induced surface restructuring of BaF2 thin film,Materials Letters, 143 (2015) 309-311.
  9. Ratnesh K Pandey, Kevin Waters, Sandeep Nigam, Haiying He, Subhash S. Pingale, Avinash C. Pandey, Ravindra Pandey, A Theoretical Study of Structural and Electronic Properties of Alkaline-Earth Fluoride Clusters,Computational and Theoretical Chemistry, 1043 (2014) 24-30.
  10. Manvendra Kumar, S.A. Khan, Ratnesh K Pandey, Parasmani Rajput, Fouran Singh, DK Avasthi, AC Pandey, Damage creation in Lithium Fluoride thin films induced by swift heavy ions,Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, 332 (2014) 134.
  11. Ratnesh K. Pandey, Manvendra Kumar, Saif A. Khan, Tanuj Kumar, AmbujTripathi, D.K. Avasthi, Avinash C. Pandey, Study of electronic sputtering of CaF2 thin films, Applied Surface Science, 289 (2014) 77– 80.
  12. P. Yadav, R. K. Pandey, A. K. Mittal, S. Dwivedi, A. C. Pandey, Multifractal analysis of sputtered CaF2 thin films,Surface and Interface Analysis,45 (2013) 11-12.
  13. Ratnesh K. Pandey, Manvendra Kumar, Udai B. Singh, Saif A. Khan, D.K. Avasthi, Avinash C. Pandey, Swift heavy-ions induced sputtering in BaF2 thin films,Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms,314 (2013) 21–25.
  14. Tanuj Kumar, Manish Kumar, Govind Gupta, R K Pandey, S Verma, D Kanjilal, Role of surface composition in morphological evolution of GaAs nano-dots with low-energy ion irradiation,Nanoscale Research Letters, 7(2012) 1-8.


Conference Proceedings

  1. Ratnesh K. Pandey, Shikha Awasthi,Tanuj Kumar, Avinash C. Pandey, Size and strain analysis of CaF2 thin films, AIP Conference Proceedings, 2006 (2018) 030042
  2. Ratnesh K Pandey, Sandeep Nigam, Kevin Waters, Ravindra Pandey, Avinash Chandra Pandey,Vibrational spectra of (BaF2)n (n=1-6) clusters,AIP Conference Proceedings 1731 (2015) 090034
  3. Ratnesh K. Pandey, Avinash C. Pandey, Saif A. Khan, D. K. Avasthi, Sputtering of CaF2 Thin Films, AIP Conference Proceedings, 1349 (2011) 651.


Conferences

  1. Ratnesh K Pandey, Sandeep Nigam, Kevin Waters, Ravindra Pandey, Avinash Chandra Pandey: Vibrational Spectra of (BaF2)n (n=1-6) clusters. 60th DAE Solid State Physics Symposium, Amity University, U.P., Noida, India; Dec 21-25, 2015. POSTER Presentation
  2. Avinash C Yadav, Ratnesh K. Pandey, Manvendra Kumar, and Avinash C. Pandey: Swift Heavy Ions (SHI) induced Surface Restructuring in BaF2 thin films. 59th DAE Solid State Physics Symposium, Vellore, India; Dec 16-20, 2014. POSTER Presentation
  3. Ratnesh K Pandey, Manvendra Kumar, Tanuj Kumar, Udai B Singh, AmbujTripathi, D. K . Avasthi, Avinash C. Pandey: Swift Heavy Ions induced Material Reorganization on Surface of BaF2 thin films. International conference on swift heavy ions induced material engineering and characterization (SHIMEC 2014), New Delhi, India; Oct 14-17, 2014. ORAL Presentation
  4. Ratnesh K. Pandey, Manvendra Kumar, Tanuj Kumar, Udai B. Singh, Saif A. Khan, AmbujTripathi, D. K. Avasthi, Avinash C. Pandey: Dynamic Scaling and Origin of Cracks on BaF2 Thin Film Surface Under Swift Heavy Ion Irradiation: Effects of Sputtering and Tensile Stress. International Conference on Advanced Materials and Applications (ICAMA-2014), University of Allahabad, India; March 24-26, 2014. POSTER Presentation
  5. R K Pandey et al,The third International Symposium on Clusters, Cluster Assemblies and nano-scale Materials (ISCANM-III) held at the Harish-Chandra Research Institute, Allahabad, India; March 11-14, 2014. PARTICIPANT
  6. Ratnesh K. Pandey, Manvendra Kumar, Saif A. Khan, D. K. Avasthi and Avinash C. Pandey, Electronic Sputtering of Fluoride Thin Films: A Study of Substrate Effect. International Conference on Nanostructuring by ion beams (ICNIB 2013), Jaipur, India; Oct 23-25, 2013. POSTER Presentation
  7. Ratnesh K. Pandey, M. Kumar, Saif A. Khan, D. K. Avasthi and Avinash C. Pandey, Swift Heavy Ion Induced Sputtering in BaF2 Thin Films, International Symposium on Swift Heavy Ions in Matter (SHIM 2012), Kyoto, Japan; Oct 24-27, 2012. ORAL Presentation
  8. Ratnesh K. Pandey, International Conference on Atomic Collisions in Solids (ICACS-25), Kyoto, Japan, Oct 21-25, 2012.  PARTICIPANT
  9. Ratnesh K. Pandey, Saif A. Khan, M. Kumar, Udai B. Singh, Tanuj Kumar, Dinesh C. Aggarwal, D.K . Avasthi, AmbujTripathi and Avinash C. Pandey, Study of Surface Modifications and Ejection Process in BaF2 Thin Films Due to Bombardment of 100 Mev Au+28 Ions. International Conference on Swift Heavy Ions in Materials Engineering and Characterization (SHIMEC 2012), New Delhi, India; Oct 9-12, 2012. ORAL Presentation
  10. Ratnesh K Pandey, Saif A Khan, D K Avasthi, A Tripathi and Avinash C Pandey, Structural Changes in CaF2 Thin Films Due to Impact of Swift Heavy Ions. Conference on Nanostructuring by ion beams (NIB-2011), Allahabad, India; Oct 17-19, 2011. POSTER Presentation
  11. Ratnesh K. Pandey, S. A. Khan, D. K. Avasthi and A. C. Pandey, Creation of Nanostructures By Ion Irradiation Of CaF2 Thin Films. National Symposium on Nanomaterials in Engineering and Technology, Allahabad, India during; Feb 19- 21, 2011. POSTER Presentation
  12. Ratnesh K. Pandey, S. A. Khan, D. K. Avasthi and A. C. Pandey, Sputtering of CaF2 Thin Films. 55th DAE Solid State Physics Symposium 2010 (DAE-SSPS 2010), Manipal University, Karnataka, India; Dec 26-30, 2010. POSTER Presentation
  13. Ratnesh K. Pandey, S. A. Khan, D. K. Avasthi, AmbujTripathi, Prashant K. Sharma, UdaiBhan Singh and A. C. Pandey, Effect of 120 Mev Ag+25 Ion Bombardment on CaF2 Thin Films. International Conference on Swift Heavy Ions in Materials Engineering and Characterization (SHIMEC 2010), New Delhi, India; Oct 6-9, 2010. POSTER Presentation
  14. Ratnesh K. Pandey, Prashant K. Sharma, Saif A. Khan, D. K. Avasthi, A. C. Pandey, Creation of One Dimensional CaF2 Nanostructures by SHI Induced Thin Films Irradiation, 4th International Conference, “INDIAS 2010, Allahabad, India; Sept 19-21, 2010. POSTER AND ORAL Presentations, Best Poster Award.

Projects

  1. 2D Materials: Multilayer GaN, funded by SERB India under Young Scientist Scheme-2016-2019. Status: Completed