Publications (Journals):
1. "Properties of Ni2+ -doped silica and silicate gel monoliths”, Sutapa Roy and Dibyendu Ganguli, J. Non-Cryst. Solids 151 (1992) 203-208.
2. “Wavelength-selective transmission in transition metal containing silica gel monoliths”, Sutapa Roy and D.Ganguli, Mater. Lett. 16 (1993) 352-356
3. “Spectroscopic properties of low Fe 3+ -doped silica gels”, Sutapa Roy and D.Ganguli, J.Non-Cryst. Solids 195 (1996) 38-44.
4. “Optical inhomogeneities in nickel ion containing silica gels”, Sutapa Roy, D.Kundu and D.Ganguli, J.Non-Cryst Solids, 194 (1996) 210-212.
5. “Spectroscopic studies of Cr-doped silica gels”, Sutapa Roy Ramanan and D.Ganguli, J. Non-Cryst. Solids 212 (2-3) (1997) 299-302.
6. “Development of ITO coatings on glass by sol-gel processing”
D.Ganguli, S.Roy Ramanan and P.K.Biswas, XVIII Int. Cong. On Glass ed.M.K.Choudhary, N.T.Huff and C.H.Drummond III,p11-20, 1998.
7. “Sol-gel derived ITO coatings on glass”, Sutapa Roy Ramanan and N.M.Mohamed, J.Solid .St.Sci and Technol. Lett., 7,(1&2)(2000)165-170.
8. “Studies of ZnO as transparent conducting thin film materials via sol-gel dip coating method”, K.Y.Cheong, N.M.Mohamed and Sutapa Roy Ramanan, J.Solid. St. Sci.Technol.7 (2000)142-145.
9. “XRD & electrical studied on AZO thin films deposited via sol-gel technique”. Cheong, KY.,Norani, MM., and Sutapa RR.Nuclear Science Journal of Malaysia. Vol.18, No.2. pp92-98, 2000.
10. . “Comparative Studies of Types of Dopant (Al or In) in ZnO Sol-gel Thin Film From Zinc Acetate Source”. Cheong, KY., Norani, MM., and Sutapa RR In J. Solid State Science And Technology Letters, Vol. 7, No. 2 ,2000.
11. “Spectroscopic studies of Mn doped gels”, Sutapa Roy Ramanan, Malaysian J. of Analytical Sciences, 6(1)(2001)83-88.
12. “Effect of processing conditions on the properties of sol-gel spun alumina fibres”, Ramanan Venkatesh and Sutapa Roy Ramanan, J. European Cer. Soc. 20,(2000)207-212.
13. “Dip coated ITO thin-films through sol-gel process using metal salts”, Sutapa Roy Ramanan, Thin Solid Films, 389, (2001) 207-212.
14. The use of additives to optimise the properties of sol-gel spun alumina fibres”, Ramanan Venkatesh, Sutapa Roy Ramanan, L.C.Teck, Z.A.Ahmad, A.F.M.Noor, Mat. Tech & Adv. Perf. Mat. 16 (2001)103-109.
15. “Study of preparation and characterization of hydroxyapatite coatings by sol-gel technique”, Sutapa Roy Ramanan and Ramanan Venkatesh, , Asean Journal of Science and Technol., 19 (1), 2002, 55-62.
16. “Morphology and Electrical Studies of ZnO:Ga Thin Films Fabricated via Sol-gel Technique”, Cheong, KY., Norani, MM., and Sutapa RR.Thin Solid Film, vol 410, pp. 143-147, 2002.
17. “Investigation of ZnO:Al thin films fabricated via sol-gel dip coating technique”, K.Y.Cheong, N.Muti and S.R.Ramanan, J. Physical Sciences, Vol 13, p53- 60, 2002.
18. "Physical Investigation on ZnO:Al thin films derived from non-alkoxide zinc acetate via sol-gel dip coating technique",
K.Y.Cheong, M.Norani Muti and R.R.Sutapa, J. Mat. Sci. Tech . No.1, Vol 11, 2003.
19. ‘Influence of processing variables on the microstructure of sol-gel spun alumina fibers’, R. Venkatesh and S.R. Ramanan, Materials Letters, 55, 2002, 189-195.
20. “Sol-gel derived MgO, Al2O3 and Y2O3 doped hydroxyapatite coatings”,Sim Lim Chong, Sutapa Roy Ramanan and Ramanan Venkatesh, J.Instt. Mater. Malaysia, 4(1) 2004.
21. “Sol gel processing of lead lantanum zirconate titanate fibers”Sim Lim Chong, Ramanan Venkatesh, Sutapa Roy Ramanan, J.Instt. Mater. Malaysia, 4(1), 107-115 2003.
22. “Preparation of Barium titanate (BaTiO3) powder using sol-gel emulsion technique”,Kartika Suriyati, Sim Lim Chong, Ramanan Venkatesh and Sutapa Roy Ramanan, J.Instt. Mater. Malaysia, 4(2) 2004.
23. “A study of hydroxyapatite fibers prepared via sol-gel route”,Sutapa Roy Ramanan and Ramanan Venkatesh, Material letters, 58 (2004) 3320.
24. “Sol-gel processing of lead lanthanum zirconate titanate fibers”, Sim Lim Chong, Ramanan Venkatesh and Sutapa Roy Ramanan, Integrated Ferroelectrics, 70:19-28, 2005.
25. “Thermal characterization of Al2O3 and ZnO reinforced silicone rubber as thermal pads for heat dissipation purposes”, L.C.Sim, S.R.Ramanan, H.Ismail, K.N.Seetharamu and T.J.Goh, Thermochimia Acta, 430 (1-2) 155-165 (2005).
26. “Cure characteristics, mechanical and thermal properties of Al2O3 and ZnO reinforced silicone rubber" L.C.Sim, S.R.Ramanan, H.Ismail, K.N.Seetharamu. Journal of Polymer Plastics Technology and Engineering, 45, 301-307,2006
27. “Synthesis of hydroxyapatite nanopowders by sol-gel emulsion technique Saranya K, BE; Meenal Kowshik, Ph.D, ”, Sutapa R Ramanan, Ph.D; Bull of material Science, 34(7) 2011.
28. “Low temperature synthesis of hydroxyapatite nano-rods by a modified sol-gel technique” Sushma Jadalannagaria, Sandeep Morea, Meenal Kowshik, Sutapa Roy Ramanan, Material Science and Engineering C, 31, 2011, 1534-1538.
29. Zubeda B.Aga and Sutapa Roy Ramanan, “Electrical and structural characterization of PTCR pure barium titanate nanopowders synthesized by sol-gel emulsion technique, J. of Electroceramics, 28(2) 2012 109-117.
30. Sushma Jadalannagari, Ketaki Deshmukh, Sutapa Roy Ramanan, Meenal Kowshik, "Antimicrocial activity of hemocompatible silver doped hydroxyapatite nanoparticles synthesized by modified sol-gel technique" Applied nanoscience, accepted for publication.
Conference presentations and publications in proceedings:
1`. “Synthesis and characterization of sol-gel In2O3-SnO2 composite powders”
Sutapa Roy Ramanan and N.M.Mohamed, 2nd Int. Conf. On Recent Advances in Materials and Mineral Resources, Penang , Malaysia, 3-5 May, 1999, Conf. Proc.p.131.
2. “Microstructural studies of mollusc shells”
R.Venkatesh, S.Retnaraj, S.R.Ramanan, Z.A.Ahmad and A.F.M.Noor, 2nd Int. Conf. on Recent Advances of Materials and Mineral Resources, Penang, Malaysia, 3-5 May, 1999, Conf. Proc. P. 466.
3. “Electron microscopic studies of ITO powders and coatings on glass”
Sutapa Roy Ramanan and N.M.Mohamed, 8th Scientific Conf. of Electron Microscopy Soc. Malaysia, Genting Highlands, Malaysia, 2-4 Dec 1999. Conf. Proc. P.123
4. “Microscopy characterization of Al doped ZnO transparent conductive thin films via sol-gel method”
K.Y.Cheong, N.M.Mohamed and S.R.Ramanan, 8th Scientific Conf. of Electron Microscopy Soc. Malaysia, Genting Highlands, Malaysia, 2-4 Dec 1999. Conf. Proc. P.85.
5. ‘Study of hydroxyapatite coatings and powders prepared by sol-gel techniques’
S.R. Ramanan and R. Venkatesh, Proc. 9th Scientific Conf. Of Electron Society of Malaysia, Kota Baru, Malaysia, 12-14 Nov., 2000, Conf. Proc. P26.
6. ‘Preparation of hydroxyapatite coating by sol- gel process’
S.R. Ramanan and R. Venkatesh Proc. Biomed 2000, Kl, Malaysia.Conf. Proc. P22.
7. “Microstructural & surface roughness study on the effect of dopant concentration and type for ZnO based thin films”
K.Y.Cheong, N.M.Mohamed, S.R.Ramanan, 9th Scientific conf. of EMSM 2000, Kota Baru, Malaysia, 12-14 Nov. Conf. Proc. P40.
8. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Thermal Interface Materials in microprocessor industries, 3rd International RAMM conference, pg 262-266.
9. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Investigation on aluminum nitride reinforced polyurethane as high thermal conductivity thermal interface materials, 12th scientific conference of EMSM, Langkawi, Kedah, Malaysia, 16th-17th December 2003.
10. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Preparation of silicon carbide reinforced silicone rubber as elastomeric thermal pads for heat dissipation purposes, 12th scientific conference of EMSM, Langkhawi, Kedah, Malaysia, 16th-17th December 2003.
11. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Cure characteristics and mechanical properties of copper reinforced silicone rubber, 4th International Materials Technology Conference and Exhibition (IMTCE 2004), Kuala Lumpur, Malaysia, 23-25th March 2004.
12. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Preparation and characterization of silicon grease based thermal interface material, Regional Conference for young chemist (RCYC2004), Penang Malaysia, 13-14th April 2004.
13. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Logendran Bharatham, Thermal characterization of Al2O3 filled paraffin wax as phase change materials for effective heat dissipation, 2nd colloquium on postgraduate research (MAMIP 2004), Penang, Malaysia, 7-8th October 2004.
14. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Logendran Bharatham, Thermal characterization of silicon carbide reinforced silicone rubber as elastomeric thermal pads, pg 268-272, 2nd colloquium on postgraduate research (MAMIP 2004), Penang, Malaysia, 7-8th October 2004.
15. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Goh Teck Joo, Investigation on the suitability of paraffin wax and stearic acid as phase change materials for heat dissipation purposes, pg 262-267, Proceedings of the 6th International Conference on electronic materials and packaging (EMAP 2004), Penang, Malaysia, 5-7th December 2004.
1 16. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Goh Teck Joo, Preparation and characterization of mixed filler combination thermal interface material for enhanced thermal performance, pg 268-272, Proceedings of the 6th International Conference on electronic materials and packaging (EMAP 2004), Penang, Malaysia, 5-7th December 2004.
17. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Preparation of aluminum nitride reinforced silicone rubber as high performance elastomeric thermal pads, 13th scientific conference of EMSM, Kuala Lumpur, Malaysia, 13th-15th December 2004.
18. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, Azizan Aziz and K.N. Seetharamu, Cure characteristics, thermal and mechanical properties of Al2O3 reinforced silicone rubber, 13th scientific conference of EMSM, Kuala Lumpur, Malaysia, 13th-15th December 2004.
19. Sutapa Roy Ramanan, “Fabrication of PT, PZT and PLZT thin films by sol-gel technique”, NSE 2007, Nov 5-6,2007, Dept. Of Phys.,GVM Girls’ College, Sonepat.
20. S.More, A Waharkar, M.Kowshik and S.Roy Ramanan, “Synthesis and characterization of hydroxyapatite nanopowders”, Int. Workshop on Nanotechnology and advanced functional materials, July 9-11, 2009, NCL, Pune.
21. Zubeda Aga and Sutapa Roy Ramanan, "Synthesis of submicron size barium titanate powders by sol-gel emulsion technique”, March 31,2011, CHEMSTORM 2011, 10th National Level Technical Symposium, Department of Chemical Engineering, Pravara Rural Engineering College, Loni, Tal.Rahata, Dist. Ahmednagar(Maharashtra).
22. Sushma Jadalannagari, Sandeep More, Meenal Kowshik, Sutapa Roy Ramanan, " Synthesis of Hydroxyapatite nano rods using a modified sol - gel method at a low temperature and its Biocompatibility studies", " World Congress on Biotechnology - 2011 ", HITEX, Hyderabad. 21-23 March 2011.
23. Zubeda Aga and Sutapa Roy Ramanan, “Synthesis of submicron size pure and doped barium titanate powders by sol-gel emulsion technique”, Third International Conference on frontiers in Nano science and Technology, Cochin Nano 2011, Aug 14-17 2011.
24. “Strontium doped Barium titanate nanopowders synthesized by sol-gel emulsion technique”; Zubeda Aga and Sutapa Roy Ramanan, ICNANO, 18-21 Dec 2011, Conf. Centre, University of Delhi.
25. Zubeda Bi H. Aga., Sutapa Roy Ramanan, “Effect of Lanthanum Doping on Barium Titanate Nano-Powders Synthesized by Sol-gel Emulsion Technique.” National Seminar
NANOMATERIALS: SYNTHESIS CHARACTERISATION AND APPLICATIONS, Chowgule College, Goa, 2-3Feb, 2012.
26. Ketaki Deshmukh , Meenal Kowshik, Sutapa Roy Ramanan. “Prevention of bacterial biofilm using silver doped hydroxyapatite nanoparticles coating for medical implant”. National Seminar NANOMATERIALS: SYNTHESIS CHARACTERISATION AND APPLICATIONS, Chowgule College, Goa, 2-3Feb, 2012.
27. Biocompatible Silver Hydroxyapatite Nanoparticles Based Thin Film Coatings With Good Antimicrobial And
Antibiofilm Activity, Deshmukh K, Ramanan S R, Kowshik M, 1st International Symposium on nanomedicine in
drug delivery and cancer diagnosis, University Of Delaware, 16-17th August, 2012