• Senior Lecturer, Department of Mechanical and Manufacturing Engineering, University of Ruhuna, Sri Lanka (From 27.10.2014 to present)

• Senior Scientist, Institute of Integrated Cell-Materials Science, University of Kyoto, Japan (As a collaborative Senior Scientist from Toda Kogyo Corp., Japan) (From 01.04.2008 to 31.10.2014)

• Postdoctoral Research Fellow, Materials and Structural Laboratory, Tokyo Institute of Technology, Japan (From 01.04.2007 to 31.03.2008)

• Research Officer, Materials Technology Division, Industrial Technology Institute, Sri Lanka. (From 10.08.1997 to 31.03.2001)

• Magnetic Materials

• Advanced Ceramics Thin Film Technology

• Direct Patterning of Advanced Ceramic Thin Films

• Nanotechnology

• H. Hiraka, K. Ohoyama, Y. Ogata, T. Ogawa, R. Gallage, N. Kobayashi, M. Takahashi, B. Gillon, A. Gukasov, and K. Yamada, Polarized-neutron-diffraction study of the microscopic magnetic structure in Fe16N2 nanoparticles, Physical Review B 90, 134427, (2014)

• S. Yamamoto, R. Gallage, Y. Ogata, Y. Kusano, N. Kobayashi, T. Ogawa, N. Hayashi, M. Takahashi and M. Takano, Kinetic study on the thermal stability of a”-Fe16N2, Chemical Communications. 49, p 7708-7710, (2013).

• T. Ogawa, Y. Ogata, R. Gallage, N. Kobayashi, N. Hayashi, Y. Kusano, S. Yamamoto, K. Kohara, M. Doi, M. Takano and M. Takahashi, Challenged to the synthesis of a”-Fe16N2 compound nano particles with high saturation magnetization for rear earth free new permanent magnetic materials, Applied Physics Express, 6, 073007-1-3, (2013).

• L. Seinberg , S. Yamamoto , R. Gallage , M. Tsujimoto , Y. Kobayashi , S. Isoda , M. Takano and H. Kageyama, Low temperature solventless synthesis and characterization of Ni and Fe magnetic nanoparticles, Chemical Communications, 48, p- 8238-8239, (2012)

• S. Yamamoto, R.Gallage, Y. Tamada, K. Kohara, Y. Kusano, T. Sasano, K. Ohno, Y. Tsujii, H. Kageyama, T. Ono and M.Takano, Transformation of nano- to mesosized iron oxide cores to ?-Fe within organic shells preserved intact, Chemistry of Materials, 23, p-1564-1569, (2011).

• H. Wagata, T. Taniguchi, R. Gallage, A.K. Subramani, N. Sakamoto, T. Watanabe, M. Yoshimura and N. Matsushita, Fabrication of BaTiO3 thin films and microdot patterns by halide-free nonaqueous solution route. Journal of American Ceramics Society, 93[2], p.381-386, (2010)

• H. Wagata, R. Gallage, M. Yoshimura and N. Matsushita, Patterning of BaTiO3 by inkjet deposition using a precursor solution, Materials Science and Engineering B, 611, p.146-150, (2009).

• N. Matsushita, R. Gallage, H. Wagata, and M. Yoshimura, Direct formation of ceramics patterning by soft solution process: ink-jet reaction method, especially in the ink-jet deposition method [Direct-patterning of ceramic materials by soft solution process : Idea of inkjet reaction method and inkjet deposition method , in Japanese], Journal of the Japan Society of Polymer Science, 21[8], p.445-450, (2009).

• R. Gallage, A. Matsuo, T. Watanabe, N. Matsushita and M. Yoshimura, Direct patterning of dense ceria thin films by ink-jet deposition method at moderate temperatures, Thin Solid Films, 517, p.4515-4519, (2009).

• R. Gallage, A. Matsuo, T. Watanabe, N. Matsushita and M. Yoshimura, Fabrication of transparent ceria films by spray deposition without post firing. Journal of Electroceramics, 22, p.33-39, (2009).

• R. Gallage, A. Matsuo, T. Fujiwara, T. Watanabe, N. Matsushita and M. Yoshimura, Direct fabrication of cerium oxide films and patterns by ink-jet deposition method at moderate temperatures. Journal of American Ceramics Society, 99[7], p.2083-2087, (2008). M. Yoshimura and R. Gallage, Direct patterning of nano structured ceramics from solution -Differences from conventional printing and lithographic method (Review), Journal of Solid State Electrochemistry, 12, p.775-782, (2008).

• R. Gallage, R. Teranishi, T. Fujiwara, T. Watanabe and M. Yoshimura, Direct fabrication of CaWO4 patterns on cellulose based organic substrates by on-site ink-jet reaction at room temperature. Materials Science and Engineering B, 137[1-3], p.299-303, (2007).

• A. Matsuo, R. Gallage, T. Fujiwara, T. Watanabe and M. Yoshimura, On-site fabrication of ceramics films from solution precursors by ink-jet and spray assisted processes, Journal of Electroceramics, 16, p.533-536, (2006). S. Ray, Y.V. Kolen’ko, D. Fu, R. Gallage, N. Sakamoto, T. Watanabe, M. Yoshimura, M. Itoh, Direct observation of ferroelectricity in quasi-zero-dimensional barium titanate nanoparticles, Small, 2, 1427-1431, (2006).

Patents

• M. Takahashi, T. Ogawa, Y. Ogata, N. Kobayashi, R. Gallage, K. Kohara, Method for manufacturing ferromagnetic particle powder, anisotropic magnet, bond magnet and powder-compact magnet, JP2012231098 (September 22, 2012), WO2012147833 (November 01, 2012), CN103493154 (January 01, 2014), TW201310480 (March 01, 2013).

• M. Takahashi, T. Ogawa, Y. Ogata, N. Kobayashi, R. Gallage, K. Kohara, Ferromagnetic granular powder and method for manufacturing the same, as well as anisotropic magnet and pressed-powder magnet, JP2012149326 (August 09, 2012), WO2012099202 (July 26, 2012), EP2666563 (November 27, 2013), KR30130142169 (December 27, 2013), US2014001398 (January 02, 2014), CN103328134 (September 25, 2013), TW201249564 (December 16, 2012).

• M. Takahashi, T. Ogawa, Y. Ogata, A. Sakuma, N. Kobayashi, R. Gallage, K. Kohara, Ferromagnetic particle powder, method for manufacturing the same, anisotropic magnet and bonded magnet, JP2012069811 (April 05, 2012), WO2012039461 (March 29, 2012), EP2620955 (July 31, 2013), KR30130106825 (September 30, 2013), US2013257573 (October 03, 2013), CN103328134 (September 25, 2013), TW201232571 (August 01, 2012).

• R. Gallage, S. Yamamoto, M. Takano, S. Kobayashi, Manufacture of metal nanoparticles containing powder used for e.g. catalyst, involves dry-mixing and heat processing powder containing iron, cobalt and/or gold, and reducing agent comprising oxide, hydroxide, sulfide, sulfate and/or boride, JP2012036489 (February 23, 2012).

• M. Yoshimura, R. Gallage, N. Sakamoto, T. Watanabe, N. Matsushita, H. Wagata, T. Fujiwara, S. Araki, M. Takeda, M. Arakawa and Y. Mori, Metal titanate thin film precursor composition and method of forming metal titanate thin film, JP 2009073705 (April 9, 2009).

• M. Yoshimura, T. Watanabe, R. Gallage, T. Fujiwara, D. Guo, M. Takeda, M. Arakawa and Y. Mori, Pattern film forming method for use in e.g. LCD, involves forming desired pattern on base material surface by supplying ink, that includes film forming material, from nozzle in state where heat is applied to base material, WO2005115637 (December 08, 2005), KR1020070033990 (March 27, 2007), JP2009073705 (January 10, 2008), TW200606021(February 16, 2006).

Selected Abstracts

• R. Gallage, A. Matsuo, T. Fujiwara, T. Watanabe, N. Matsushita and M. Yoshimura, Direct fabrication of crystalline ceria films and patterns by ink-jet deposition below celcius 300 , 7th Pacific Rim Conference on Ceramic and Glass technology, China, 2007.

• R. Gallage, A. Matsuo, T. Fujiwara, T. Watanabe, N. Matsushita and M. Yoshimura, Direct fabrication of transparent ceria films by spray deposition at moderate temperatures, ICE-2007: International Conference on Electroceramics, Arusha, Tanzania, 2007.

• R. Gallage, A. Matsuo, T. Fujiwara, T. Watanabe, N. Matsushita and M. Yoshimura, Formation and properties of CeO2 and (Ce,Gd)O2-x films by on-site ink-jet and spray deposition, 10th Asian Conference on Solid State Ionics, Sri Lanka, 2006.

• R. Gallage, A. Matsuo, T. Fujiwara, T. Watanabe, N. Matsushita and M. Yoshimura, Fabrication of CeO2 and TiO2 films/patterns by ink-jet and spray deposition, Annual Meeting of The Ceramic Society of Japan, Japan, 2006.

• R. Gallage, A. Matsuo, T. Fujiwara, T. Watanabe, N. Matsushita and M. Yoshimura, Direct patterning of TiO2 and CeO2 by ink-jet deposition method at moderate temperatures, 9th International Ceramic Processing Science Symposium, Florida, USA, 2006.

• R. Gallage, A. Matsuo, T. Fujiwara, T. Watanabe and M. Yoshimura, Ceramics films/patterns fabrication by ink-jet/spray at moderate temperatures from solution precursors, 6th Pacific Rim Conference on Ceramic and Glass Technology, Hawaii, USA. 2005.

• R. Gallage, R. Teranishi, T. Fujiwara and M. Yoshimura, Ink-jet reaction method for in-situ patterning of BaXCa(1-X)WO4 on organic substrates at room temperature, 4th International Symposium on Biomimetic Materials Processing, Nagoya , Japan, 2004.

• R. Gallage, R. Teranishi, T. Fujiwara and M. Yoshimura, Direct patterning of CaWO4 and BaWO4 on organic sheets by on-site ink-jet reaction at ambient temperature, The 8th IUMRS-International Conference on Advance Materials and 2nd International Conference on Materials for Advanced Technologies, Singapore, 2003.