Research Publications

Research Publications Details

• List of Publications and Participation in Research Activities:

Articles Published in International SCI Journals:

1. P. Babu, H. J. Seo, K. H. Jang, R. Balakrishnaiah, C. K. Jayasankar, A. S. Joshi, Optical spectroscopy and energy transfer in Tm3+-doped metaphosphate laser glasses, J Phys: Condens Matter 17 (2005) 4859.

2. R. Balakrishnaiah, P. Babu, C. K. Jayasankar, A. S. Joshi, A. Speghini, M. Bettinelli, Optical and luminescence properties of Nd3+ ions in K-Ba-Al-phosphate and fluorophosphate glasses, J Phys: Condens Matter 18 (2006) 165.

3. P. Babu, K. H. Jang, H. J. Seo, R. Balakrishnaiah, C. K. Jayasankar, Ki-Soo Lim, Optical spectroscopy, 1.5 μm emission and upconversion properties of Er3+-doped metaphosphate laser glasses, J Opt Soc Amer B 24 (2007) 2218.

4. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, C. W. Ahn, J. H. Jeong, Infrared to Ultraviolet frequency upconversion luminescence properties of Tm3+ ions in a YbLiF4 crystal, J Kor Phys Soc 53 (2008) 791.

5. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, J. H. Jeong, Infrared to UV, VIS and NIR frequency upconversion luminescence studies of Tm3+-doped YbLiF4 crystal, Opt Mater 31 (2009) 959.

6. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Fluorescence properties of Nd3+-doped KNbO3 phosphors, Electrochem Sol St Lett 12 (2009) J64.

7. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, J. H. Jeong, Effect of Al3+ ions      on fluorescence properties of Eu3+ ions in YPO4 phosphors, Mater Lett 63 (2009) 2063.

8. G. Seeta Rama Raju, H. C. Jung, J. Y. Park, B. K. Moon, R. Balakrishnaiah, J. H. Jeong, J. H. Kim, The influence of sintering temperature on the photoluminescence properties of oxyapatite Eu3+:Ca2Gd8Si6O26 nanophosphors, Sens Actu B: Chem 146 (2010) 395.

9. R. Balakrishnaiah, S. S. Yi, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, Enhanced luminescence properties of YBO3:Eu3+ phosphors by Li-doping, Mater Res Bull 46 (2011) 621.

10. G. Seeta Rama Raju, J. Y. Park, H. C. Jung, R. Balakrishnaiah, B. K. Moon, J. H. Jeong, Synthesis, structural and luminescent properties of Pr3+ activated GdAlO3 phosphors by solvothermal reaction method, Curr Appl Phys 11 (2011) S292.

11. Pyeong Ji Shin, R. Balakrishnaiah, S. S. Yi, K. Jang, H. S. Lee, D-S. Shin, J. H. Jeong, Enhancement in the microstructure and photoluminescence properties of YVO4:Eu3+ phosphors by Al-doping, J Nanosci Nanotech 13 (2013) 5636.

Articles Published in International SCI Journals as Conference Proceedings:

1. C. K. Jayasankar, R. Balakrishnaiah, P. Babu, Th. Tröster, W. Sievers, G. Wortmann, High pressure fluorescence studies of Sm3+-doped K-Ba-Al-phosphate glass, High Pres Res 26 (2006) 349.

2. R. Balakrishnaiah, R. Vijaya, P. Babu, C. K. Jayasankar, M. L. P. Reddy, Characterization of Eu3+-doped fluorophosphate glasses for red emission, J Non-Cryst Solids 353 (2007) 1397.

3. C. K. Jayasankar, R. Balakrishnaiah, V.Venkatramu, A. S. Joshi, A. Speghini, M. Bettinelli, Luminescence characteristics of Nd3+-doped K-Ba-Al-fluorophosphate laser glasses, J Alloys Compd 451 (2008) 697.

4. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Frequency Upconversion Fluorescence Studies of Er3+/Yb3+-codoped KNbO3 Phosphors, Thin Solid Films 517 (2009) 4138.

5. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, NIR to VIS Frequency Upconversion Luminescence Properties of Er3+-doped YPO4 Phosphors, Thin Solid Films 518 (2010) 6145.

6. S. S. Yi, J-C. Kim, D. W. Kim, R. Balakrishnaiah, S. H. Kim, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, Luminescence Properties of Nd3+-doped (Y,Gd)BO3 Phosphors, Thin Solid Films 518 (2010) 6163.

7. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, S. H. Kim, B. K. Moon, J. H. Jeong, Photoluminescence Properties of Li-doped KNbO3:Eu Phosphors, 2009, J. Kor. Phys. Soc. 57 (2010) 1842.

8. R. Balakrishnaiah, K. Vijaya Kumar, Editorial Preface on the Proceedings of National Conference on Emerging Trends of Advanced Functional Materials (NCAFM-2015), Materials Today: Proceedings 3(2016) 1-10.

Articles Published in International Conference / Seminar Proceedings:

1. D. W. Kim, R. Balakrishnaiah, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Improved luminescent behavior of YBO3:Eu3+ phosphors by Li-doping, ECS Trans. 16 (30) (2009) 13. 

2. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Fluorescence properties of Nd3+-doped      KNbO3 Nano-phosphors, ECS Trans. 16 (30) (2009) 23.

3. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, Enhanced Photoluminescence Properties of Li/Al-doped YPO4:Eu Phosphors, NSTI-Nanotech 3 (2010) 773.  

Articles Presented in National / International Conferences / Seminars:  

National

1. R. Balakrishnaiah, P. Babu, C. K. Jayasankar, A. S. Joshi, A. Speghini, M. Bettinelli, Optical and luminescence properties of Nd3+-doped phosphate and fluorophosphate glasses, 4th DAE-BRNS National Laser Symposium, Bhabha Atomic Research Centre, Mumbai, India, January 10-13, 2005.

2. R. Balakrishnaiah, attended the ATC-BRNS Technical Programme Discussion Meeting (TPDM-2005), Bhabha Atomic Research Centre, Mumbai, India and presented the Progress Report of the DAE-BRNS MRP entitled, “Optimization of Composition for the Development of Neodymium Laser Glasses by Fluorescence Studies”, July 12-14, 2005.

3. R. Balakrishnaiah, P. Babu, C. K. Jayasankar, Th. Tröster, W. Sievers, G. Wortmann, Effect of pressure on luminescent properties of Eu3+ ions in K-Ba-Al fluorophosphate glass, 50th DAE Solid State Physics Symposium, Bhabha Atomic Research Centre & Tata Institute of Fundamental Research, Mumbai, India, December 05-09, 2005.

4. L. Jyothi, R. Balakrishnaiah, R. Praveena, C. K. Jayasankar, Fernando Rivera, V. Lavin, Optical properties and upconversion luminescence of fluorophosphate glasses, National Symposium on Science & Technology of Glass and Glass-Ceramics (NSGC-06), Bhabha Atomic Research Centre, Mumbai, India, September 15-16, 2006.

5. A. P. Kulkarni, M. N. Kumbhare, M. P. Kamath, R. Balakrishnaiah, C. K. Jayasankar, A. S. Joshi, P. D. Gupta, Measurement of intensity dependent refractive index for flourophosphate glass, 6th DAE-BRNS National Laser Symposium, Raja Ramanna Centre for Advanced Technologies, Indore, India, December 5-8, 2006.

International

1. P. Babu, H. J. Seo, K. H. Jang, Y. Huang, R. Balakrishnaiah, C. K. Jayasankar, Spectroscopic properties of Tm3+-doped phosphate laser glass, Optical Society of Korea workshop on Advanced Lasers and their Applications, Jeju National University, Jeju, Republic of Korea, May 12-14, 2005.

2. R. Balakrishnaiah, R. Vijaya, P. Babu, C. K. Jayasankar, M. L. P. Reddy, Characterization of Eu3+-doped fluorophosphates glasses for red emission, International Symposium on Non Oxide and Optical Glasses, Indian Institute of Science, Bangalore, India, April 10-14, 2006.

3. C. K. Jayasankar, R. Balakrishnaiah, P. Babu, Th. Tröster, W. Sievers, G.. Wortmann, High pressure fluorescence studies of Sm3+-doped K-Ba-Al-phosphate glass, 44th European High Pressure Research Group (EHPRG) International Conference, Prague, Czech Republic, September 4-8, 2006. 

4. C. K. Jayasankar, R. Balakrishnaiah, V. Venkatramu, A. S. Joshi, A. Speghini, M. Bettinelli, Luminescence characteristics of Nd3+-doped K-Ba-Al-fluorophosphate laser glasses, International Conference on f-Elements (ICFE’06), Wroclaw, Poland, September 04-09, 2006.

5. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Energy transfer studies in Yb3+ and Er3+-codoped KNbO3 phosphors, 1st International Conference on Microelectronics and Advanced Plasma Devices and Technologies, Hotel Ramada Plaza, Jeju, Republic of Korea, August 18-20, 2008.

6. D. W. Kim, R. Balakrishnaiah, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Photoluminescence properties of Eu3+-doped KNbO3 phosphors, 1st International Conference on Microelectronics and Advanced Plasma Devices and Technologies, Hotel Ramada Plaza, Jeju, Republic of Korea, August 18-20, 2008.

7. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Photoluminescence properties of Nd3+-doped KNbO3 phosphors, 214th Electrochemical Society (ECS) Meeting (PRIME 2008), Honolulu, Hawaii, October 12-17, 2008.

8. D. W. Kim, R. Balakrishnaiah, S. S. Yi, K. D. Kim, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Luminescent characteristics of Eu3+-doped YBO3 phosphors, 214th Electrochemical Society (ECS) Meeting (PRIME 2008), Honolulu, Hawaii, October 12-17, 2008.

9. R. Balakrishnaiah, S. J. Seo, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, J. H. Jeong, Fluorescence properties of Eu3+ ions in YBO3 and Li+-doped YBO3 phosphors, Korean Physical Society General Meeting and Exhibition, Kimdaejung Convention Centre, Kwangju, Republic of Korea, October 23-24, 2008.

10. D. W. Kim, S. J. Seo, R. Balakrishnaiah, S. S. Yi, K. Jang, H. S. Lee, J. H. Jeong, Photoluminescence properties of Eu3+-doped YPO4 phosphors, Korean Physical Society General Meeting and Exhibition, Kimdaejung Convention Centre, Kwangju, Republic of Korea, October 23-24, 2008.

11. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, J. H. Jeong, Effect of Al3+ ions on fluorescence properties of Eu3+ ions in YBO3 phosphors, 15th International Symposium On Laser Spectroscopy (SOLS-2008), International Nuclear Training & Education Center (INTEC), Korea Atomic Energy Research Institute (KAERI), Daejeon, Republic of Korea, November 13-14, 2008.

12. D. W. Kim, R. Balakrishnaiah, S. S. Yi, K. Jang, H. S. Lee, J. H. Jeong, Effect of Al3+ ions on fluorescence properties of Eu3+ ions in YPO4 phosphors, 15th International Symposium On Laser Spectroscopy (SOLS-2008), International Nuclear Training & Education Center (INTEC), Korea Atomic Energy Research Institute (KAERI), Daejeon, Republic of Korea, November 13-14, 2008.

13. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Improved Fluorescence properties of Eu3+ ions in YPO4 phosphors by Li-doping, Korean Physical Society General Meeting and Exhibition, Daejeon Convention Centre, Daejeon, Republic of Korea, April 23-24, 2009.

14. R. Balakrishnaiah, Dong Woo Kim, Soung Soo Yi, Sung Hoon Kim, Kiwan Jang, Ho Sueb Lee, Jung Hyun Jeong, Fluorescence properties of Er3+-doped YPO4 phosphors, Korean Physical Society General Meeting and Exhibition, Daejeon Convention Centre, Daejeon, Republic of Korea, April 23-24, 2009.

15. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Fluorescence properties of Er3+-doped YPO4 phosphors, 215th Electrochemical Society (ECS) Meeting, San Francisco, C.A., May 24-29, 2009.

16. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Luminescence properties of Li-doped YPO4:Eu3+ phosphors, 215th Electrochemical Society (ECS) Meeting, San Francisco, C.A., May 24-29, 2009.

17. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Fluorescence properties of Eu3+-doped LiMgBO3 phosphors, The 3rd International Symposium on Functional Materials (ISFM 2009), Dong Bang Hotel, Jinju, Republic of Korea, June 15-18, 2009.

18. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, J. H. Jeong, Luminescence properties of Gd3+-doped YBO3:Nd3+ phosphors, The 3rd International Symposium on Functional Materials (ISFM 2009), Dong Bang Hotel, Jinju, Republic of Korea, June 15-18, 2009. 

19. S. S. Yi, J-C. Kim, D. W. Kim, R. Balakrishnaiah, S. H. Kim, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, Luminescence properties of Nd3+-doped (Y,Gd)BO3 phosphors, 2nd International Conference on Microelectronics and Plasma Technology (ICMAP 2009), BEXCO Convention Center, Busan, Republic of Korea, September 22-25, 2009.

20. R. Balakrishnaiah, J-C. Kim, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, NIR to VIS Frequency upconversion luminescence properties of Er3+-doped YPO4 phosphors, 2nd International Conference on Microelectronics and Plasma Technology (ICMAP 2009), BEXCO Convention Center, Busan, Republic of Korea, September 22-25, 2009.

21. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, Photoluminescence properties of Li-doped KNbO3:Eu3+ phosphors, Korean Physical Society General Meeting and Exhibition, Changwon Convention Center, Changwon, Republic of Korea, October 21-23, 2009.

22. R. Balakrishnaiah, D. W. Kim, S. S. Yi, S. H. Kim, K. Jang, H. S. Lee, B. K. Moon, J. H. Jeong, Frequency upconversion luminescence studies of Er3+-doped (Y,Gd)BO3 phosphors, Korean Physical Society General Meeting and Exhibition, Changwon Convention Center, Changwon, Republic of Korea, October 21-23, 2009.

23. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, S. H. Kim, B. K. Moon, J. H. Jeong, Photoluminescence Properties of Li-doped KNbO3:Eu Phosphors, 6th International Conference on Advanced Materials and Devices (ICAMD 2009), Hotel Ramada Plaza, Jeju, Republic of Korea, 9-11 December 2009.

24. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, S. H. Kim, B. K. Moon, J. H. Jeong, Enhancement of Photoluminescence Properties of YPO4:Eu3+ Phosphors by Li/Al-doping, TechConnect World Conference & Expo, Anaheim Convention Center, Anaheim, CA, 21-25 June 2010.

25. R. Balakrishnaiah, D. W. Kim, S. S. Yi, K. Jang, H. S. Lee, S. H. Kim, B. K. Moon, J. H. Jeong, Characterization of Tm3+-doped Phosphors for Blue Emission under VUV/UV excitation, TechConnect World Conference & Expo, Anaheim Convention Center, Anaheim, CA, 21-25 June 2010.

Courses / Workshops / Meetings / Training Programs attended without any paper presentation (including achievements if any):

Regional at Institution / University / State level

1. Ratified as Assistant Professor of Physics, Jawaharlal Nehru Technological University, Anantapur, AP, India, February 2013. 

2. Attended the full course work on “Jeevan Vidya (Human values)”, Academic Staff College, K. L. University, Vijayawada, India, May 19-24, 2014. 

            National

1. Attended one-day course, entitled, “Workshop on Laser Based Instrumentation”, Homi Bhabha Centre for Science Education, Mumbai, India, January 09, 2005. 

2. Attended “Workshop on Optics and Photonics (WOOP-2005)”, National Institute of Technology, Tiruchirapalli, India, August 18-19, 2005.

3. Attended “Awareness Workshop on the Facilities of UGC-DAE Consortium for Scientific Research”, Osmania University, Hyderabad, India, March 04-05, 2006.

4. Attended one day National Workshop on “Advanced Materials Characterization Techniques (AMCT-2013)”, Sri Venkateswara University, Tirupati, India, March 23, 2013.   

5. Attended One Day National Webinar ICT Enabled Science Education in India, organized by Guru Angad Dev Teaching Learning Centre, SGTB Khalsa College, University of Delhi under the Pandit Madan Mohan Malaviya National Mission on Teachers and Teaching (PMMMNMTT) of MHRD and Telangana Academy of Sciences, Hyderabad, Telangana, India, June 28, 2020. 

6. Attended Three day online FDP on E-Learning Management System, organized by Yogi Vemana University, Kadapa, AP, India, June 29 – July 01, 2020.  

7. Attended One Week Online FDP on “Development and Management of MOOCs and Online Courses using LMS MOODLE” organized by Guru Angad Dev Teaching Learning Centre, A Centre of MHRD, Govt. of India under Pandit Madan Mohan Malaviya National Mission on Teachers and Teaching (PMMMNMTT) SGTB Khalsa College, Delhi University, June 30 – July 04, 2020 and obtained grade A as required for promotion under CAS of UGC and AICTE. 

8. Attended one day webinar on “Spectroscopic Tools for Material Characterization and Industrial Applications”, organized by Department of Mathematical Sciences, Sree Vidyanikethan Degree College, A. Rangampet, July 06, 2020. 

9. Attended “How to conduct online teaching-learning in Covid times?” organized by Guru Angad Dev Teaching Learning Centre, SGTB Khalsa College, University of Delhi under the Pandit Madan Mohan Malaviya National Mission on Teachers and Teaching (PMMMNMTT) of MHRD, July 22, 2020. 

10. Participated in the “Video Edit Workshop: Come & learn how to edit your video lectures”, organized by Tech Edu Teacher, July 27-29, 2020. 

11. Participated in the “Learn Excel to Excel in Your Career” organized by Tech Edu Teacher, August 02-03, 2020. 

12. Participated in One Day National Webinar entitled “Promotional Avenues for Teachers in Higher Education: CAS Regulations- 2018” organized by Guru Angad Dev Teaching Learning Centre, SGTB Khalsa College, University of Delhi under the Pandit Madan Mohan Malaviya National Mission on Teachers and Teaching (PMMMNMTT) of MHRD, September 05, 2020. 

13. Attended National webinar on “New Education Policy 2020: Challenges and Opportunities” organized by UGC Cell of Sri Guru Gobind Singh College, Chandigarh in collaboration with the Indian Economic Association, September 12, 2020.

International

1. Attended “Korean Physical Society General Meeting and Exhibition”, Daejeon Convention Center, Daejeon, Republic of Korea, April 17-18, 2008.