LIST OF PUBLICATIONS

1. J.K. Thomas, H. Padmakumar, S. Solomon, Chandy N.George, K.Joy and J. Koshy Nanoparticles of SmBa2HfO5.5 through single step autoigniting combustion technique and their characterisation. Physica Status Solidi(a) 204 No.9 3102 (2007)

2. H. Padma Kumar, James T. Joseph, J.K. Thomas, K. Joy, Sam Solomon Composites and Solid Solutions of Pr – Y Titanium Tantalate microwave ceramics. J.Materials Science; Materials in Electronics DOI 10.1007/s10854-008-9763-5 2008

3. J.K. Thomas, H. Padma Kumar, Annamma John, V. Suni, K. Joy, S. Solomon, J. Koshy Nano-crystalline Gd Ba2HfO5.5 perovskite dielectric material –A single step synthesis and its characterization. J. Physics and Chemistry of Solids. 70 (2009) 703

4. Georgi P. Daniel, V.B. Justinvictor, Prabitha B. Nair, K. Joy, Peter Koshy, P.V. Thomas Effect of annealing temperature on the structural and optical properties of ZnO thin films prepared by RF magnetron sputtering Physica B 405 (2010) 1782–1786

5. D. B. Dhwajam , J. K. Thomas, K. Joy, Sam Solomon Optical and dielectric properties of lanthanide titanium tantalite and niobate ceramic composites. J.Mater.Sci. Mater.Electron. DOI.10.1007/s10854-010-0147-2 June 2010

6. I. John Berlin, J. S. Lakshmi, S. Sujatha Lekshmy , Georgi P. Daniel, P. V. Thomas, K. Joy Effect of sol temperature on the structure, morphology, optical and photoluminescence properties of nanocrystalline zirconia thin films. Journal of Sol-Gel Science and Technology 58(3) (2011) 669

7. K. Joy, I. John Berlin, Prabitha B. Nair, J.S. Lakshmi, Georgi P. Daniel, P.V. Thomas Effect of annealing temperature on the structural and photoluminescence properties of nanocrystalline ZrO2 thin films prepared by sol-gel route. Journal of Physics and Chemistry of Solids 72 (2011) 673

8. J.S. Lakshmi, I. John Berlin, Georgi P. Daniel, P.V. Thomas, K. Joy Effect of calcination atmosphere on photoluminescence properties of nanocrystalline ZrO2 thin films prepared by sol-gel dip coating method. Physica B:Condensed matter Physica B 406 (2011) 3050–3055

9. Prabitha B. Naira, V.B. Justinvictor, Georgi P. Daniel, K. Joy, V. Ramakrishnan, P.V. Thomas Effect of RF power and sputtering pressure on the structural and optical properties of TiO2thin films prepared by RF magnetron sputtering. Applied surface Science 257( 2011) 10869-10875 doi:10.1016/j.apsusc.2011.07.125

10. J S Lakshmi, I John Berlin, P V Thomas, K Joy Band gap tuning and improved optical properties of ZrO2-SnO2 nanocomposite thin films prepared by sol-gel route. IOP Conf. Ser.: Mater. Sci. Eng. 23 (2011) 012030

11. J K Thomas, S Vidya, Sam Solomon and K Joy. Structural, dielectric and optical characterization of BaMoO4 nano powder synthesized through an auto-igniting combustion technique. IOP Conf. Ser.: Mater. Sci. Eng. 23 (2011) 012031

12. K. Joy, L.V. Maneeshya, Jijimon K. Thomas, P.V. Thomas Effect of sol concentration on the structural, morphological, optical and photoluminescence properties of zirconia thin films. Thin Solid Films (2011), doi:10.1016/j.tsf.2011.11.038

13. K. Joy, S. Sujatha Lakshmy, Prabitha B. Nair, Georgi P. Daniel Band gap and superior refractive index tailoring properties in nanocomposite ZrO2/SnO2 thin film achieved through sol gel codeposition method. J. Alloys Compd doi:10.1016/j.jallcom.2011.09.051 (2011)

14. K. Joy, S. S. Lakshmy, P. V. Thomas Band gap tuning in nanocomposite ZrO2-SnO2 thin film achieved through sol-gel co- deposition method. . Journal of Sol-Gel Science and Technology DOI: 10.1007/s10971-011-2608-3 (2011)

15. Influence of oxygen atmosphere on the photoluminescence properties of sol-gel derived nanocrystalline zirconia thin films. Journal of Luminescence (Revision Communicated)

16. Intense UV photoluminescence in SnO2 thin films prepared by sol-gel method. Indian Journal of Physics (Communicated)

17. Enhancement of photoluminescence emission intensity of zirconia thin films via aluminium doping for the application of solid state lighting in light emitting diode . Journal of Luminescence (Communicated)

EDITION OF BOOKS

Proceedings of the International Conference on Perspectives in Vibrational Spectroscopy published by the American Institute of Physics( AIP) in 2009.

SEMINARS, SYMPOSIA AND CONFERENCE PROCEEDINGS : 24

INTERNATIONAL CONFERENCES: 5

• "Synthesis of ZrO2Nanopowder by sol-gel technique for electronic and optical application" International conference (NANOTECH-2010) held at CRIS College Irinjallkuda, Kerala
  
  
• "Annealing effect on the optical properties and structural modification of sol – gel derived nanocrystalline ZrO2 thin films" International conference of ICORFAS- 2010 held at Annamalai university chidamparam –Tamil Nadu
  
  
• "Photoluminescence of Oxygen related defects in derived nanocrystalline ZrO2 thin films” Oral presentation at International conference on FM& NT 2011 . 5-8 April. University of Latvia, Riga, Latvia
  
  
• "Band gap tuning and improved optical properties of ZrO2-SnO2 nano composite thin films prepared by sol-gel route." Poster presentation at International conference on Functional materials and Nanotechnologies 2011 . 5-8 April. University of Latvia, Riga, Latvia.
  
  
• "Photoluminscence emission colour tailoring of sol-gel zirconia thin films". Oral presentation at the 16th International sol gel conference2011, 28August-2 September. Zhejiang University, Hangzhou, P.R. China (Accepted)

SEMINARS/WORKSHOP/CONFERENCES /PROJECTS ORGANISED

• As Coordinator; Lecture workshop on Quantum Mechanics, Quantum Field Theory , Group theory and Tensors 1-3 August 2007, Indian Academy of Sciences Mar Ivanios College, Trivandrum
  
  
• As Joint Coordinator; Refresher Course in Experimental Physics 22nd October -1st November 2007,Indian Academy of Sciences-Mar Ivanios College, Trivandrum
  
  
• As Secretary; International Conference ICOPVS 2008 23 – 28 February 2008 Mascot Hotel Trivandrum
  
  
• As Coordinator; IIST(ISRO) Physics and Chemistry Practicals, Mar Ivanios College, Thiruvananthapuram 2007-2010
  
  
• As Coordinator; National work shop on experimental Physics March 2009 Mar Ivanios College-Kerala State council for science technology and environment
  
  
• As Convener; National workshop on electronics and computer experiments December 2009 Mar Ivanios College-Kerala State council for science technology and environment.
  
  

PROFESSIONAL TRAINING

• Refresher course (physics) for college lecturers: August 1991 Academic Staff College, University of Rajasthan
  
  
• Refresher course (physics) for college lecturers: February 1997 Academic Staff College, University of Kerala
  
  
• Refresher course (physics) for college lecturers: November 1997 Academic Staff College, Cochin University of Science and Technology
  
  
• Seminar On DNA Engineering & Recent Trends in Information Technology 28th Feb 2000
  
  
• Beginner’s Course of the Intel Teach to the Future Program 2nd Oct to 15th Dec 2002 Mar Ivanios College Trivandrum
  
  
• National Seminar on Predictability in Classical and Quantum theories 3-4 Feb 2005 H H Maharaja’s College for Women Thiruvananthapuram
  
  
• National seminar on ‘Intellectual Property Rights and Higher Education’ 16 August 2006. Training on Patent Drafting at TIFAC New Delhi
  
  
• CSIR Programme on Faculty Training and Motivation, Regional Research Laboratory (CSIR) Trivandrum 13th March 2007
  
  
• All India Refresher Course in Experimental Physics 28th May -10th June 2007,Indian Academy of Sciences-Crystal Growth Centre ,Anna University ,Chennai.