B.Sc and M.Sc.(Physics) from S.V.University, Tirupati,
Ph.D (Thinfims) from Indian Institute of Science, Bangalore
Thesis title: Reactive magnetron sputtering – studies on Cu-Cu2O cermet films
1980 – 1985 Scientific Assistant
1985 – 1991 Technical Officer
1991 – 1995 Senior Scientific Officer
1995 – 2001 Assistant Professor
2001 – 2007 Associate Professor
2007 – 2017 Professor
2017 – Senior Professor
Indo-US Science and Technology Fellowship 1993-94
Fellow of Instrument Society of India
Member, Editorial board, Current Physical Chemistry (Bentham publishers)
Member, Editorial board, Science Vier Publications, Canada
General Secretary, Instruments Society of India, 2005 – 2009
President, Instruments Society of India, 2016-2019
Refereed journals 220
Conferences 70
Technical Reports 08
Total 298
h-index 30
i 10 index 82
Citations 4500
Plenary/Invited Talks in National and International conferences: more than 120
1. Indo-US Science and Technology fellowship during 1993 – a visit of one year to Materials Research Laboratory, Penn State University, USA to work on pulsed laser deposition of high K dielectric materials for memory applications
2. Visiting Professor at Department of Physics, Southern Denmark University, Odense for three months during December 2003 – March 2004, taught a course on vacuum and thin film technology and research interaction on ultra thin oxide films
3. Guest researcher at Royal Institute of Technology, Stockholm during May 2004, for four weeks - interaction on ferromagnetic oxide thin films using laser ablation techniques
4. Guest researcher at Royal Institute of Technology, Stockholm during Nov – December 2004 for 10 weeks - interaction in setting up a sputtering system and studies on metal doped zinc oxide films
5. Guest researcher at Royal Institute of Technology, Stockholm during May-July 2006, for 8 weeks - worked on co-sputtering of ZnO based thinfilms and training of students in sputtering techniques
6. Collaborative program with Applied Materials inc, USA on the deposition and characterization of nanocrystalline oxide thin films
7. Visiting professor at Lappeenrantan University of Technology, Finland, for three months during Sept-Dec 2007 – worked on Deposition of LiPON coatings.
8. Visiting professor, University of South Africa, Johannesburg, Nov 2017 - May 2018- worked on nanofluids for compact heat exchangers
Most of the above interactions are being continued with collaborative programs on the work initiated during the above visits.
Academic auditor for P.S.G.College of Technology, Coimbatore
Member, Board of Studies for Nanotechnology, Bharatiar university, Coimbatore
Member Board of Studies for Physics, PSG College of Technology, Coimbatore
Member, Board of Studies for Instrumentation, Cochin University
Member, Board of Studies for Electronics, Pondichery university
Member, Board of Studies in Physics, S.K.University, Anantapur
Member, PAC, DST, Govt.of India
Member, Research council, JSS university, Mysore
Member, Academic council, Technology faculty, CUSAT, Kochi
Editor of Journal of Instruments Society of India 2000 – 2007
Member, Editorial Board, Current Physical Chemistry (Bentham publishers)
Member, Editorial Board, Science Vier Publications, Canada
RSC Advances, Journal of Applied Physics, Small, Nano scale, Powder technology, J.Physical Chemistry, Biofouling, Electrochimica Acta, Vacuum, Optical Materials, Bulletin of Materials Science, Surfaces and Coatings Technology, Solid State Electronics, J.Vac.Sci.Technology, Mater.Sc.Engg., Applied Surface Science, Plasma chemistry and Plasma processing, Thin Solid Films, Journal of Alloys and compounds,
Reviewed Ph.D theses from INRS (Canada), Southern Denmark University (Denmark), Gwangju Institute of Science and Technology (Korea), IIT Chennai, IIT Kharagpur, University of Hyderabad, Jadavpur University, Cochin University, Bharathiar University, S. V. University, S. K. University, Barkatullah University, Shivaji University, NIT Trichy, NIT Suratkal, Anna University, Bharathidasan University, JNTU Hyderabad, JNTU Anantapur, Osmania University, Nagarjuna University, Mangalore university, M.S.University and Mysore University
A qualitative model for reactive sputtering of oxides - The target poisoning and its effect on the plasma stability has been explained using this model.
Automated Langmuir probe for plasma diagnostics – This would help in plasma analysis in a very short time of few seconds
Large area magnetron cathodes for industrial applications – First industrial magnetron cathode design specifically designed for inline production system for amorphous silicon photo voltaic panels
ECR plasma system with high ionization efficiency useful for PVD and CVD – A low pressure plasma system built inhouse and can be used for both PVD and CVD applications. Plasma diagnostics have been carried out and demonstrated deposition of good quality silicon nitride, titanium nitride, carbon nanotubes, grapheme and diamond like carbon coatings
Atmospheric pressure plasma system for surface engineering – surface modification of PVDF and deposition of polyacetylene has been demonstrated. Purity of the plasma has been investigated in detail
Surface modification of Intra ocular lenses with anti bacterial surface – A low cost plasma process has been developed for the surface modification of PMMA based intra ocular lenses. Bio compatibility has been tested and technology transferred to industry for manufacture.(patented)
Transition metal nitride coatings – Studies on structure evolution, hardness and diffusion barrier effects
Studies on carbon – DLC coatings, carbon nanotubes, grapheme nanosheets – Applications in tribology, batteries and solar cells
Dye sensitized solar cells based on titania nanotubes and carbon nanotubes with conversion efficiency of 7.8 percent.
Thin film microbatteries with a capacity of 35 µAHr/cm2 FOR 500 cycles – These all solid state batteries are power sources for next generation microelectronic devices and also useful a variety of other applications
Transparent conducting coatings for EMI shielding in space environment
Low temperature integration of hard nitride and carbide coatings for industrial applications and development of process for production levels
Hydrogenated Amorphous silicon coatings – studies on different plasma configurations for optimization – fabrication of solar cell with a conversion efficiency of nearly 5 percent
ZnO nanorod structures with high piezoelectric coefficient and room temperature ferroelectricity
High temperature strain gauge sensors for health monitoring of compressor blades in turbo engine – an important innovation for defence sector (patented)
Process for development of thick (about 50µm) coatings for a variety of applications using PVD processes – a first of its kind and is patented.