CURRICULAM VITAE

CURRICULAM VITAE •

•

Name Phone No

: Ritwik Kumar Roy : 91- 09433125203

EDUCATION • B. Sc. Physics, University of Calcutta, Kolkata, India, 1999 • M. Sc. Physics, Banaras Hindu University, Varanasi, India, 2001 • Ph. D. Materials Science, Jadavpur University, Kolkata, India, 2005 PROFESSIONAL EXPERIENCE • Name of the Institute • Present status • Name of Supervisor • Title of Thesis

: Indian Association for the Cultivation of Science (www.iacs.res.in ) : Senior Research Fellow. : Professor A. K. Pal ( e-mai l: ms akp@i acs. res.in ) : Optical Properties of Group IB Metals in Nanocrystalline Form.

RESEARCH INTERESTS • Optical Properties of Group IB Metals in Nanocrystalline Form, Surface Plasmon Resonance. • Group III Nitrides. • Gas Sensors • Carbon Nanotubes, Diamond like carbon, Field emission properties. PATENT PENDING Synthesized carbon nanotubes and its process of manufacture, S.K.Mandal, R.K.Roy, S.Gupta, B.Deb and A.K.Pal; Patent Application No: 459/KOL/2003 PUBLICATIONS 1. Effect of interfacial alloying on the surface plasmon resonance of nanocrystalline Au-Ag multilayer thin film, R.K. Roy, S.K.Mandal and A.K.Pal, Eur. Phys.J.B 33 (2003) 109-114. 2. An ellipsometric investigation of Ag/SiO2 nanocomposite thin films, R.K.Roy, S.K.Mandal, D.Bhattacharyya and A.K.Pal, Eur. Phys.J.B 34 (2003) 25-31. 3. Surface plasmon resonance in nanocrystalline silver particles embedded in SiO2 matrix, S. K Mandal, R. K. Roy and A. K. Pal, J.Phys.D: Appl Phys. 35(2002) 2198-2205. 4. Effect of particle shape distribution on the surface plasmon resonance of Ag-SiO2 nanocomposite thin films, S.K.Mandal, R.K.Roy and A.K.Pal, J.Phys.D: Appl Phys. 36 (2003) 261-265. 5. Surface plasmon resonance in nanocrystalline silver in ZnO matrix, R.K.Roy, S.Bandyopadhaya and A.K.Pal. Eur. Phys.J.B 39 (2004) 491-498. 6. Effect of ion energy and ion current on the synthesis of c-BN films by r.f. plasma CVD, B. Deb, R. K. Roy and A. K. Pal, Phys. Stat. Solidi (a) 198, No-1 (2003) 111-120. 7 . Synthesis of diamond-like carbon film by novel electrodeposition route, R. K. Roy, B. Deb, B. Bhattacharjee, A. K. Pal, Thin Solid Films 422 (2002), 92-97. 8 . Low voltage electrodeposition of DLC films, S. Gupta, R. K. Roy, B. Deb, S. Kundu, A. K. Pal, Materials Letters.57 (2003) 3479-3485. 9 . Electron field emission properties of electrodeposited diamond-like carbon coatings, R. K. Roy, S. Gupta, B. Deb and A. K. Pal, Vacuum. Vol-70 (2003) 543-549. 10. Synthesis of SnO2/Pd composite films by PVD route for Liquid Petroleum Gas sensor, S.Gupta, R.K.Roy, M. Pal Chowdhury and A.K.Pal, Vacuum 75 (2004) 111. 11. Electrodeposited carbon nanotubes thin films, A.K.Pal, R.K.Roy, S.K.Mandal, S.Gupta and B.Deb, Thin Solid Films 476 (2005) 288-294. 12. Synthesis of a-C: H films by electrodeposition technique, S. Gupta, M.Pal Chowdhary, R. K. Roy, B. Deb, Y. Aparna, B. R. Chakrabarty and A. K. Pal, Communicated to J. Non-Crystalline Solids. 13. Optical properties of nanocrystalline gallium nitride thin films, R.K.Roy, S. Bandyopadhaya and A.K.Pal, communicated to J.Phys.D: Appl Phys. 14. Electrical and galvanomagnetic properties of nanocrystalline gallium nitride thin films, R.K.Roy, S.Gupta and A.K.Pal, Thin Solid Films 483 (2005) 287-295.

15. Room temperature sensor based on carbon nanotubes and nanofibres for methane detection, R.K.Roy, M. Pal Chowdhury and A.K.Pal, Vacuum 77 (2005) 223-229. 16. Incorporation of silver nanoparticles in DLC matrix and surface plasmon resonance effect, S. Hussain, R K Roy and A K Pal communicated to Surface Science. 17. Surface plasmon effect in nanocrystalline copper/DLC composite films by electrodeposition technique, S. Hussain, R. K. Roy and A K Pal, J. Phys.D: Appl Phys, 38(2005) 1-9. 18. Synthesis of gallium nitride films by a novel electrodeposition route, R. K. Roy and A. K. Pal, Materials Letters 59 (2005) 2204-2209. 19. Beryllium doped polycrystalline GaN films: Optical and grain boundary properties, M. Pal Chowdhury, R. K. Roy, B.R. Chakraborty and A.K. Pal, accepted in Thin Solid Films. CONFERENCE / PROCEEDINGS: 1 . Size and Shape dependence of nanocrystalline silver particles embedded in SiO2 matrix on surface plasmon resonance; R.K.Roy, S.K.Mandal and A.K.Pal. T w e l f th I n t er n a t i on al Wor ks h op on Th e P hy s i cs o f S e mi c onduc tor De vic e s (I W P SD) ; Dec. 16-20, 2003, Indian Institute of Technology, Chennai, India. 2 . Synthesis of a-C: H flms by electrodepositon technique; R.K.Roy, S.Gupta and A.K Pal; International Conference on Recent Advancements in Inorganic Materials (RAIMS); Dec. 11-13, 2002, Indian Institute of Technology, Mumbai, India. 3. Synthesis of Au/Ag Nanomultlayer film and effect on surface plasmon resonance; R.K.Roy, S.K.Mandal and A.K. Pal, National Symposium on Nanostructured Materials, Dec. 5-6, 2002, Indian Institute of Technology, New Delhi, India. S KILL • Production and utilization of vacuum and different procedures of thin film deposition techniques like evaporation, dc plasma CVD, RF plasma CVD, e-beam evaporation, electrolysis, sputtering, chemical bath deposition (CBD) etc. Different characterization techniques including XRD, UV-VIS-NIR spectrophotometer, SEM, TEM, AFM, photoluminescence, field emission, raman measurements, I-V and CV measurement, ac and dc conductivity, FTIR, Optical Emission Spectrometer (OES). P ROT YP E DEV ELO PED • L iq uid Pe tr ol eum Ga s sen sor ba sed on P d dope d t ino xide thin fi lm s. AWA RDS AND HONORS • Awarded ‘Junior Research Fellowship’ from Council of Scientific and Industrial Research (C.S.I.R.), December 2000. • Awarded ‘Best Poster Award’ in International Conference on Recent Advancements in Inorganic Materials (RAIMS); Dec. 11-13, 2002, Indian Institute of Technology, Mumbai, India. • Awarded ‘Senior Research Fellowship’ from Council of Scientific and Industrial Research (C.S.I.R.), August 2003. COMPUTER KNOWLEDGE • Operating Systems: DOS, Microsoft Windows 2000, Windows Me, Windows XP, Linux. • Computer Systems: Pentium, Pentium Pro · Programming Languages: Basic, Fortran 77, C REFERANCES • Pr ofessor A. K . Pa l ( e-ma i l: ms a kp@ ia cs .r es .i n ) Dept. of Materials Science, Phone Number: 91-033-24734971. • P r o fe s s or S. C h au d h u ri (e -m ai l: mss c2@ia cs .res .i n ) Dept. of Materials Science. • Pr ofes s or P. Baner jee (e-ma i l: [email protected] ) Dept. of Inorganic Chemistry, Indian Association for the Cultivation of Science (IACS), Jadavpur, Calcutta- 700 032, W. Bengal, INDIA. DECLARAT IO N I hereby declare that all information given above is true to the best of my knowledge

(RITWIK KUMAR ROY)

CAL CUTTA, IND IA