Statistics Statistics
47474
Online User Online1
Today Today4
Yesterday Yesterday23
ThisMonth This Month661
LastMonth Last Month845
ThisYear This Year5,315
LastYear Last Year15,586

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 4 June 2019)

1.    High transparency La2O3-CaO-B2O3-SiO2 glass for diagnosis x-rays shielding material application,  S. Kaewjaeng, S. Kothan, W. Chaiphaksa, N. Chanthima, R. Rajaramakrishna, H.J. Kim, J. Kaewkhao, Radiation Physics and Chemistry 160 (2019) 41–47. (IF:1.43)

 

2.    Physical and luminescence properties of samarium doped oxide and oxyfluoride phosphate glasses M. Shoaib, G. Rooh, R. Rajramakrishna, N. Chanthima, H.J.Kim, S. Tuscharoen, J. Kaewkhao, Materials Chemistry and Physics (2019) 10.1016/j.matchemphys.2019.03.016. (IF:2.210)

 

3.    Intriguing energy transfer mechanism in Oxide and Oxy-fluoride phosphate glasses, M. Shoaib, G. Rooh, N. Chanthima, R. Rajaramakrishna,  H. J. Kim, C. Wongdeeying, J. Kaewkhao, Optical Materials 88 (2019) 429–444.  (IF:2.320)

 

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

 

5.    Influence of alkaline earth oxides on Eu3+ doped lithium borate glasses for photonic, laser and radiation detection material applications, K. Kirdsiri, R. Rajaramakrishna, B. Damdee, H.J. Kim, N. Nuntawong, Mati Horphathum,J. Kaewkhao, Solid State Sciences 89 (2019) 57–66. (IF:1.861)

 

6.    Luminescence characteristics of Sm3+-doped lithium barium gadolinium silicate glasses for Orange LED's, I. Khan, G. Rooh, R. Rajaramakrishna, N. Sirsittapokakun, H.J.Kim, J. Kaewkhao, K. Kirdsiri, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 214 (2019) 14–20. (IF:2.880)

 

7.    Photoluminescence and white light generation of Dy2O3 doped Li2O-BaO-Gd2O3- SiO2 for white light LED, I. Khan, G. Rooh, R. Rajaramakrishna, N. Srisittipokakun, C. Wongdeeying, N. Kiwsakunkran, N. Wantana, H.J. Kim, J. Kaewkhao, S. Tuscharoen, Journal of Alloys and Compounds, 774 (2019), 244-254. (IF: 3.779)

 

8.    Sm3+ doped lithium borate glasses with different modifiers (M = Mg/Ca/Sr/Ba) as a orange light emitting phosphor for WLED's, K. Kirdsiri, R. Rajaramakrishna,  B. Damdee, H.J. Kim, S. Kaewjaeng, S. Kothan, J. Kaewkhao Journal of Alloys and Compounds 749 (2018) 197-204. (IF:3.779)

 

9.    Comparative study of Sm3+ ions doped phosphate based oxide and oxy-fluoride glasses for solid state lighting applications, M. Shoaib, G. Rooh , R. Rajramakrishna, N. Chanthima, H.J.Kim, J. Kaewkhao, Journal of Rare Earths 37 (2019) 374-382. (IF: 2.524) 

 

10.    Energy Transfer and Spectroscopic Investigation of Dy2O3 Doped Li2O–BaO–GdF3–SiO2 for White LED, I. Khan, G. Rooh, R. Rajaramakrishna, N. Srisittipokakun, H. J. Kim, and J. Kaewkhao, Glass Physics and Chemistry, Vol:45, No.2  (2019), 111-122.  (IF:0.699)

 

11.    Spectral analysis of Ho3+ doped barium zinc boro-tellurite glasses for yellow-green luminescent applications, Rajaramakrishna. R, C. Wongdeeying,P. Yasaka, P. Limkitjaroenporn, Jakrapong Kaewkhao, Glass Physics and Chemistry, Vol:45, 

No.1  (2019).  (IF:0.699)

12.    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, I. Khan, G. Rooh, R. Rajaramakrishna, N. Sirsittipokakunb, H. J. Kim, C. Wongdeeying, J. Kaewkhao, Journal of Luminescence 203 (2018) 515–524. (IF:2.732)

 

13.    Structural studies of transition metal ions doped in biomass ash as silica source for glass production in Thailand, R. Rajaramakrishna, R. Botta, N. Nuntawong, Y. Ruangtaweep, N.Sangwaranatee, J. Kaewkhao, Journal of Physics: Conf. Series 1120 (2018) 012104

 

14.    Pr3+ doped BaO:ZnO:B2O3:TeO2 glasses for laser host matrix,  Rajaramakrishna R, Chananya W, Patarawagee Y, Pruittipol L, Narong S, and Jakrapong K, Journal of Metals, Materials and Minerals, Vol.28 No.2 pp.47-54, 2018.

 

15.    Sm3+-doped molybdenum gadolinium borate glasses for orange  emission laser active medium, R. Rajaramakrishna, Y. Ruangtawee, J. Kaewkhao, Ukranian Journal of Physics (2018) Vol. 63, No. 8, 721-732. ISSN 2071-0186, https://doi.org/10.15407/ujpe63.8.721.

 

Papers Presented / Attended in International conferences:

 

1.    "Nonlinear Optical Studies on Nobel Metal Nanoparticles (MNP) Embedded in Oxide Glasses" R. Rajaramakrishna (Invited Speaker), The International Conference on Theoretical and Applied Physics (ICTAP), Sept 20th -21st, 2018, Grand Inn Hotel, Medan, Indonesia.  http://ictap.web.id/

2.    Structural studies of transition metal ions doped in biomass ash as silica source for glass production in Thailand, R. Rajaramakrishna, R.Botta, N. Nuntawong, Y. Ruangtaweep, N. Sangwaranatee, J. Kaewkhao. The International Conference on Theoretical and Applied Physics (ICTAP), Sept 20th -21st, 2018, Grand Inn Hotel, Medan, Indonesia.  http://ictap.web.id/

3.    Sm3+ doped Molybdenum Gadolinium Borate glasses for    orange emission laser active medium, R. Rajaramakrishna, Y. Ruangtaweep, J. Kaewkhao.  International Conference on Science and Technology  of Emerging Materials (STEMa2018), July 18th - 20th 2018, Holiday Inn, Pattaya, Thailand, http://www.nano.kmitl.ac.th/stema2018/programme/

4.    "Structural and luminescence properties of Pr3+ doped Barium Boro-Tellurite glasses for laser host matrix",  R. Rajaramakrishna  (Invited Speaker),  The 9th International Science, Social Science, Engineering and Energy Conference (ISEEC-2018), May 2nd- 4th 2018, Ambassador Hotel, Bangkok, Thailand.

5.    "Spectroscopic properties of BaO-SrO-B2O3-Nd2O3 glasses for laser host matrix",                          R. Rajaramakrishna, Jakrapong Kaewkhao and Narong Sangwaranatee, Poster Presentation, The 9th International Science, Social Science, Engineering and Energy Conference (ISEEC-2018), May 2nd- 4th 2018, Ambassador Hotel, Bangkok, Thailand.

6.    "Dy3+ doped borate glasses for White light generation material applications",                      R. Rajaramakrishna, B. Damdee, K. Kirdsiri and J. Kaewkhao, Oral presentation in Muban Chombueng Rajabhat University (MCRU), March 2nd (2018).

 

 

 

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 come for 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]

 

2.  Assoc.Prof.Dr. San Yu Swe 

Dr. San Yu Swe come from Department of Physics, University of Mandalay, Myanmar. She graduated Ph.D. in Physics from Yangon University in 2007. Her experist is SrO-Bi2O3-B2O3 glass system and characterization.  She come for short course research in GlassLab@NPRU in 2019. Her research topic in GlassLab@NPRU  is "Development ment of Sm3+ and Nd3+ doped in Gd2O3 based glass for solid state lighting material application". 

 

3. Dr. Zin Maung Htwe

Dr. Zin Maung Htwe come from Department of Physics, University of Mandalay, Myanmar. She graduated Ph.D. in Physics from Harbin Institute of Technology, China in 2017. His experist is non-linear optical properties of materials and their measurement.  He come for short course research in GlassLab@NPRU in 2019. His research topic in GlassLab@NPRU  is "Spectroscopic investigation of Dy3+ and Eu3+ doped in Gd2O3 based glass for solid state lighting material application.