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We offer a research contract to perform a postdoctoral project at the Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom, Thailand. This position is open to applicants from all around the world. CEGM is an institute devoted to fundamental research and advance technology in glass materials. The candidate should have a good command over the English language.

Now we have 1 postdoctoral scholar. We are very welcome you to join our team to produce excellent research work in glass science and technology!


Postdoctoral  Researcher


Dr. R.Raja Ramakrishna

Dr. R. Raja Ramakrishna come from Center of post- graduate studied and research in physics, The national college , Jayanagar, Bangalore, India. He is assistance professor in physics. He graduated Ph.D. in Physics from Bangalore university, India  His research topic in GlassLab@NPRU is "Several Ln3+ doped oxyfluoride glass materials and their Judd-Ofelt (JO) analysis". His postdoctoral research is supervised by Assoc.Prof.Dr.Jakrapong Kaewkhao. 

Dr. Ramakrishna is expert in Ln3+ / transition doped glass, crystal and phosphor materials. He has high skill in spectroscopic study on several Ln3+ and transition doped in glasses. In 2018-2019, Dr.Ramakrishna has been published many papers with us. The highest impact factor is in Journal of Alloys and Compounds (IF = 3.779). 

Updated publication with GlassLab@NPRU (Updated 9 Jan 2019)

1.    Rajaramakriahna, R., Botta, R., Nuntawong, N., Ruangtaweep, Y., Sangwaranatee, N., Kaewkhao , J., 2018, "Structural studies of transition metal ions doped in biomass ash as silica source for glass production in Thailand", Journal of Physics: Conference Series, 1120 012104, pp. 1-10. [Indexed by Scopus]

2.    Khan, I. Rooh, G., Rajaramakrishna, R., Sirsittipokakun, N., Kim, H.J., Wongdeeying, C., Kaewkhao, J., 2018, "Development of Eu3+ doped Li2O-BaO-GdF3-SiO2 oxyfluoride glass for efficient energy transfer from Gd3+ to Eu3+ in red emission solid state device application", Journal of Luminescence, 203, pp. 515-524. [IF = 2.732]

4.    Rajaramakrishna, R., Wongdeeying, C., Yasaka, P., Likitjaroenporn, P., Sangwaranatee, N., Kaewkhao J., 2018, " Pr3+ doped BaO:ZnO:B2O3:TeO2 glasses for laser host matrix", Journal of Metals, Materials and Minerals, 28 (2), pp. 47-54. [Indexed by Scopus]

4.    Khan, I., Rooh, G., Rajaramakrishna, R., Sirsittipokakun, N. Wongdeeying, C., Kiwsakunkran, N., Wantana, N., Kim, H.J.,  Kaewkhao, J., Tuscharoen, S., 2019, " Photoluminescence and white light generation of Dy2O3 doped Li2O- BaO-Gd2O3- SiO2 for white light LED", Journal of Alloys and Compounds, 774, pp.244-254. [IF = 3.779]  

5.    Khan, I., Rooh, G., Rajaramakrishna, R., Sirsittipokakun, N., Kim, H.J.,  Kaewkhao, J., Kirdsiri, K.,  2019, "Energy transfer phenomenon of Gd3+ to excited ground state of Eu3+ ions in Li2O-BaO-Gd2O3-SiO2-Eu2O3 glasses", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 210, pp. 21-29. [IF = 2.880]

6.    Shoaib, M., Rooh, G., Chanthima, N.,  Rajaramakrishna, R., Kim, H.J., Wongdeeying, C., Kaewkhao, J., 2019, "Intriguing energy transfer mechanism in Oxide and Oxy-fluoride phosphate glasses", Optical Materials, 88, pp. 429-444. [IF = 2.320]

7.    Kirdsiri, K., Rajaramakrishna, R., Damdee, B, Kim, H,J., Nuntawong, N., Horphathum,  Kaewkhao, J., 2019, "Influence of alkaline earth oxides on Eu3+ doped lithium borate glasses for T photonic, laser and radiation detection material applications", Solid State Science, 89, pp. 50-56. [IF = 1.861] 

8.    Shoaib, M., Rooh, G., Rajaramakrishna, R., Chanthima, N., Kiwsakunkran, N., Kim, H.J.,  Kaewkhao, J., Tuscharoen, S., 2019, "Comparative study of Sm3+ ions doped phosphate based oxide and oxy-fluoride glasses  for solid state lighting applications ", Journal of Rare Earth, Accepted manuscript. [IF = 2.524]

9.    Rajaramakrishna, R., Wongdeeying, C., Yasaka, P., Limkitjaroenporn, P., Kaewkhao, J., 2019, "Spectral analysis of Ho3+ doped barium zinc boro-tellurite glasses for yellow-green luminescent applications ", Glass Physics and Chemistry Accepted manuscript. [IF = 0.699]



Visiting Researcher


1.  Dr. Nurlaela Rauf

Dr. Nurlaela Rauf come from Physics Dept. – FMIPA – University of Hasanuddin, Indonesia. She graduated Ph.D. in Physics from Institute National des, Sciences appliquees (INSA), Lyon, France. She wan short course research in GlassLab@NPRU in 2017-2018. Her research topic in GlassLab@NPRU  is "Development of radiaiton shielding glass using rare earth oxide as an additive materials". 

Updated publication with GlassLab@NPRU (Updated 9 Jan 2019)

1. Ruaf, N.,Ruangtaweep, Y. Chaiphaksa, W., Kaewkhao, J., 2018, "Preparing the transparent Gadolinium Silicoborate glass for radiation shielding material", Journal of Physics: Conference Series, 1120 012076, pp. 1-4. [Indexed by Scopus]