Dr. Renju R. Krishnan

Research Guide and Head- Department of Physics 

 

Academic Qualifications

1. B Sc. Physics - University of Kerala - 2001
2. M Sc. Physics - University of Kerala - 2003
3. Ph D. Applied Sciences - University of Kerala - 2011

Positions held in St. Xavier's College

• Secretary, St. Xavier’s College Coop. Society, 2012-2022
• Convenor, Research Committee, 2014-15
• Member, Canteen Committee, 2015-17
• Member, Cultural Committee, 2016-17
• Member, Liaison & grievance redressal committee (Students'), 2015-17
• Staff Advisor, Students' Union, 2015-16
  
  

Positions held Outside St. Xavier's College

• Member, Board Of Studies Physics (Pass) 2020-2023

Total Teaching Experience

• 11 years of experience
• Undergraduate (B Sc.) Physics - St Xavier’s College, Thumba - 2012 onwards
• Postgraduate (M Sc.) Physics - St Xavier’s College, Thumba - 2012 onwards
  
  

Journals / Articles Published

International Journals

1. Microstructural, optical and spectroscopic studies of laser ablated nanostructured tantalum oxide thin films - Renju R. Krishnan, K.G. Gopchandran, V.P. MahadevanPillai, V. Ganesan and Vasant Sathe, Appl. Surf. Sci 255 (2009) 7126–7135
2. Effect of doping and substrate temperature on the structural and optical properties of reactive pulsed laser ablated tin oxide doped tantalum oxide thin films - Renju R Krishnan, K.M. Nissamudeen, K.G. Gopchandran, V.P. Mahadevan Pillai and V. Ganesan, Vacuum 84 (2010) 1204-1211
3. Structural, optical, and morphological properties of laser ablated ZnO doped Ta2O5 films - Renju R. Krishnan, R. Vinodkumar, Geo Rajan, K.G. Gopchandran and V.P. Mahadevan Pillai, Mat. Sci. Eng B 174 (2010) 150-158
4. Effect of cadmium oxide incorporation on the microstructural and optical properties of pulsed laser deposited nanostructured zinc oxide thin films - R. Vinodkumar, K.J. Lethy, P.R. Arunkumar, Renju R. Krishnan, N. Venugopalan Pillai, V.P. Mahadevan Pillai and Reji Philip, Mat. Chem. Phys 121 (2010) 406-413
5. Effect of laser fluence on the structural and optical properties of Tantalum oxide films ablated by puled laser-Renju R Krishnan, journal of russian laser research, vol 39, march 2018

Seminars and Conferences

1. Effect of Laser Fluence on the morphology of Laser Ablated Tantalum Pentoxide thin films, Renju R Krishnan, K. G.Gopchandaran, V. P. Mahadevan Pillai, Peter Koshy and Prabhakar Rao,Proceedings of the National Conference on Electron Microscopy-2006 (EMSI- NC 06), April 2006.
2. Structual and Optical Properties of Laser ablated Tantalum Oxide thin films, Renju R Krishnan, K. M. Nissamudeen, K. G. Gopchandran and V. P. Mahadevan Pillai, Proceedings of the Eighth International Conference on Optoelectronics, Fiber Optics and Photonics (PHOTONICS 2006), December 2006.
3. Studies on the effect of annealing on the structural and optical properties of laser ablated Cerium Oxide thin films, K. M. Nissamudeen, Renju R Krishnan V. P. Mahadevan Pillai and K. G. Gopchandran, Proceedings of the Eighth International Conference on Optoelectronics, Fiber Optics and Photonics (PHOTONICS 2006), December 2006.
4. Fourier Transform Infrared Spectroscopic studies of pulsed laser ablated Tantalum Pentoxide thin films, Renju R Krishnan, K. G. Gopchandran and V. P. Mahadevan Pillai, Proceedings of the National Conference on Vibrational Spectroscopy (NCVS-2007), January 2007.
5. Effect of annealing on the spectroscopic properties of laser ablated tantalum oxide thin films, Renju R Krishnan, K. G. Gopchandran and V. P. Mahadevan Pillai, Proceedings of the 19th Kerala Science Congress, January 2007.
6. Investigation of Structural and Optical properties of Tin Oxide doped Ta2O5 thin films prepared by pulsed laser ablation, Renju R Krishnan, K. M Nissamudeen, K. G. Gopchandran and V. P. Mahadevan Pillai, National Conference on Recent Trends in Optoelectronics and Laser Technology (NCOL 2007), 9-11, April 2007.
7. Preparation of semi-transparent and highly luminescent Cerium oxide thin films by pulsed laser ablation, K. M. Nissamudeen, Renju R Krishnan,
   V. P. Mahadevan Pillai and K. G. Gopchandran, National Conference on Recent Trends in Optoelectronics and Laser Technology (NCOL 2007), 9-11, April 2007.
8. Effect of doping and substrate temperature on the Structural and Optical properties of reactive pulsed laser ablated Tin Oxide doped Tantalum Oxide thin films, Renju R Krishnan, K. M. Nissamudeen, K. G. Gopchandran and V. P. Mahadevan Pillai, International Materials Research Congress (IMRC), Cancun, Mexico, August 2007.
9. Effect of doping and substrate temperature on the structural and optical properties of reactive pulsed laser ablated Aluminium Oxide doped Tantalum Oxide thin films, Renju R Krishnan, K. M. Nissamudeen, K. G. Gopchandran and V. P. Mahadevan Pillai, DAE-BRNS 4th National Symposium on Pulsed Laser Deposition of Thin Films and Nanostructured Materials, Rajkot, October 2007.
10. Effect of laser energy on the structural and optical properties of non- reactive pulsed laser ablated tantalum oxide thin films, Renju R Krishnan, K. M. Nissamudeen, K. G. Gopchandran and V. P. Mahadevan Pillai, DAE-BRNS 4th National Symposium on Pulsed Laser Deposition of Thin Films and Nanostructured Materials, Rajkot, October 2007.
11. Dielectric studies of tantalum oxide-based metal-insulator-metal capacitors fabricated by pulsed laser deposition, Renju R Krishnan, National Seminar on New Frontiers in Physics – Scope and Challenges, St. Xavier’s College, Thumba, Trivandrum, India, October 28-30, 2014.
12. Effect of post deposition annealing on the optical properties of pulsed laser ablated Ta2O5 films, Raji P.R, Renju R Krishnan, National Seminar on New Frontiers in Physics – Scope and Challenges, St. Xavier’s College, Thumba, Trivandrum, India, October 28-30, 2014.
13. Structural and thermal analysis of calcium iodate crystals grown by single diffusion gel growth technique, Rakhi G.S, Biji Mathew, Renju R Krishnan, National Seminar on New Frontiers in Physics – Scope and Challenges, St. Xavier’s College, Thumba, Trivandrum, India, October 28-30, 2014.
14. Structural and thermal analysis of barium iodate crystals grown by single diffusion gel growth technique, Bincy Mary B.L, Kiran Das S.V, Renju R Krishnan, National Seminar on New Frontiers in Physics – Scope and Challenges, St. Xavier’s College, Thumba, Trivandrum, India, October 28-30, 2014.
15. Fabrication and investigation of Dielectric properties of tantalum oxide-based capacitors, Renju R Krishnan, Twenty Fifth National Seminar on Crystal Growth and Epitaxy, Crystal Growth Centre, Anna University, Chennai, India, February 6-7, 2015.
16. Effect of doping on the dielectric properties of pulsed laser deposited tantalum oxide thin films, Renju R Krishnan, National Seminar on Nano Materials for Energy Applications (NSNME) at Sree Narayana College, Punalur, Kollam, India, during January 7-8, 2016.

Conference / Seminar / Workshop / Training Programmes attended (last 5 years) - Academic & General

1. New Frontiers in Physics - Scope and Challenges - St. Xavier’s College, Trivandrum - National Level - Paper Presentation - 2014
2. Modern Trends in Physics - University College, Trivandrum - State Level - Participation - 2015
3. Advances in Physics - Govt. Arts College, Trivandrum - State Level - Participation - 2015
4. Crystal Growth and Epitaxy- Anna Univeristy, Chennai - National Level - Paper presentation - 2015
5. Nano Materials for Energy Applications - SN College, Punalur - National Level - Paper presentation - 2016
6. Refresher course in nano sciences - Academic Staff College, Kariavattom, Trivandrum - Participation - 2014
7. Special Summer School - Academic Staff College, Kariavattom, Trivandrum - Participation - 2015

Other Honours

1. Research Fellowship - Kerala State Council for Science, Technology and Environment, Govt. of Kerala - 2004
2. Rank holder in M.Sc Physics - University of Kerala - 2003