PRESENTATIONS: INVITED SPEAKER

· "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.

· "Structural and nonlinear optical properties of Au nanoparticle doped oxide glasses for laser host”, R.Rajaramakrishna (Invited Speaker), The8th International Conference on Theoretical and Applied Physics (ICTAP-2018), Grand Inna Hotel Medan, JI.Balaikota No.2, Kesawan, Medan City, North Sumatera - Indonesia.http://ictap.web.id/

· R. Rajaramakrishna (Invited Speaker), International Conference on Science and Technology Applications (ICoSTA-2019), 13th - 14th November 2019, Garuda Plaza Hotel, Jalan Sisingamangaraja No.18, Medan City, North Sumatera - Indonesia.https://icosta.unimed.ac.id

INTERNATIONAL / NATIONAL PEER REVIEWED PUBLICATIONS

Nonlinear optical, optical limiting and radiation shielding features of Eu3+ activated borate glasses

G Jagannath, AG Pramod, K Keshavamurthy, BN Swetha, B Eraiah, ...

Optik 232, 166563

2021

Enhanced Non-linear Optical Properties of Eu3+ Activated Glasses by Embedding Silver Nanoparticles

N Fatima, AG Pramod, G Jagannath, R Rajaramakrishna, ...

Ceramics International

2021

Influence of Trivalent Praseodymium ion on SiO2-B2O3- Al2O3- BaO-CaO-Sb2O3-Na2O-Pr2O3 Glasses for X-Rays Shielding and Luminescence Materials

S.Kaewjaeng, W.Boonpa, F.Khrongchaiyaphum, S.Kothan, H.J.Kim, N.Intachai, R ...

Radiation physics and chemistry 184 (109467)

2021

Experimental 1H and 13C Solid-State NMR Signal Assignment of Paramagnetic Copper (II) 2-Pyrazine-Carboxylate Complex using Density Functional Theory Calculations

SKKS Bhargava Hanumanta Patil, Pampa Peraje, Dinesh Naik, R Rajaramakrishna ...

Journal of Physics: Conference Series 1819 (2021), 012032

2021

Comparative Study on Au-Ag composition in Lithium Zinc Calcium Fluroborate Glasses: Nonlinear Optics Perspective

Abhiram J, R. Rajaramakrishna, K M Rajashekara, Jagannath G, J. Kaewkhao, J ...

Journal of Physics: Conference Series 1819 (2021), 012022

2021

Precursor Based Tuning of the Nonlinear Optical Properties of Au-Ag Bimetallic Nanoparticles Doped in Oxy-fluoroborate Glasses

Abhiram Jagannathan, Jagannath Gangareddy, R. Rajaramakrishna, K.M ...

Journal of Non-Crystalline Solids 561 (2021), 120766

2021

Spectroscopy Characterization of MWCNT Doped B₂O₃-Gd₂O₃-ZnO-Er₂O₃ Glass for NIR Solid State Application

ES Rahayu, R Rajaramakrishna, M Djamal, J Kaewkhao

Integrated Ferroelectrics 214 (1), 136-142

2021

Dy3+ doped B2O3 – Li2O – CaO – CaF2 glass for efficient white light emitting sources

A.R. Venugopal, R. Rajaramakrishna, K.M. Rajashekara, J. Rajaguguk, N.H ...

Journal of Non-Crystalline Solids 554 ((2021)), 120604

2021

Effect of BaO on lead free zinc barium tellurite glass for radiation shielding materials in nuclear application

K Boonin, P Yasaka, P Limkitjaroenporn, R Rajaramakrishna, A Askin, ...

Journal of Non-Crystalline Solids 550, 120386

2020

X-ray induced luminescence, optical, compositional and structural investigations of natural and imitation rubies: Identification technique

Y Tariwong, N Chanthima, R Rajaramakrishna, HJ Kim, J Kaewkhao

Radiation Physics and Chemistry 177, 109089

2020

The Physical, Optical, Photo and Radioluminescence Studies of Dy 3+ Doped Zinc Barium Gadolinium Phosphate Glasses

M Shoaib, G Rooh, N Chanthima, HJ Kim, R Rajaramakrishna, S Kothan, ...

Glass Physics and Chemistry 46 (6), 474-486

2020

Novel plaster waste glass for solid state lighting applications

A Angnanon, R Rajaramakrishna, N Srisittipokakun, B Damdee, ...

Optical Materials 109, 110180

2020

Photoluminescence properties of Bi₂MoO₆:Dy³⁺ phosphors fabricated by solid state reactions

R Chidthong, S Insiripong, A Angnanon, J Tipwan, R Rajaramakrishna, ...

AIP Conference Proceedings 2279 (1), 060007

2020

Optical and structural properties of ZnO-SrOB2O3 glasses

J. Abhiram, R. Thejas, R. Raja Ramakrishna, Vinayak Pattar, A. R. Venugopal ...

AIP Conference Proceedings 2274, 030034

2020

Effects on inter-substitution of SrO to Li2O in borate glass systems doped with Sm3+ ions

A. R. Venugopal, R. Rajaramakrishna, J. Abhiram, Vinayak Pattar, and K. M ...

AIP Conference Proceedings 2274, 030038

2020

Reddish-orange emission and Judd-Ofelt investigation of Sm3+ ions doped in zince-bismuth-phospho-tellurite glasses for solid lighting application

SB Kolavekar, NH Ayachit, R Rajaramakrishna, NG Pramod, J Kaewkhao

Journal of Luminescence 226, 117498

2020

Spectroscopic study of Nd3+ ion-doped Zn-Al-Ba borate glasses for NIR emitting device applications

SK M.Djamal, L.Yuliantini, R.Hidayat, N.Rauf, M.Horprathum, R ...

Optical Materials 107 (2020), 110018

2020

Photoluminescence properties and energy transfer investigations of Gd3+ and Sm3+ co-doped ZnO–BaO–TeO2 glasses for solid state laser application

N Sangwaranatee, P Yasaka, R Rajaramakrishna, S Kothan, J Kaewkhao

Journal of Luminescence 224, 117275

2020

Structural analysis and luminescence studies of Ce3+: Dy3+ co-doped calcium zincgadolinium borate glasses using EXAFS

R. Rajaramakrishna, Y. Ruangtaweep, S. Sattayaporn, P. Kidkhunthod, S ...

Radiation physics and chemistry 171 (108695)

2020

Comparative study of optical and luminescence properties of Sm3+-ions doped Li2O–Gd2O3–PbO–SiO2 and Li2O-GdF3-PbO–SiO2 glasses for orange emission solid state device application

I Khan, G Rooh, R Rajaramakrishna, N Srisittipokakun, HJ Kim, S Kothan, ...

Journal of Luminescence 222, 117136

2020

Role of 5 mol% Mg-Ni on the Structural and Magnetic Properties of Cobalt Chromates Crystallites Prepared by Solution Combustion Technique

K. Manjunatha, V. Jagadeesha Angadi, R. Rajaramakrishna, U. Mahaboob Pasha

Journal of Superconductivity and Novel Magnetism 33 (2020), 2861–2866

2020

Effect of SnO2/SeO2 on Au nano‑particles doped silicate glasses: a structural study using XAS and EXAFS refinements

R Rajaramakrishna, Y Ruangtaweep, C Saiyasombat, J Kaewkhao

Optical and Quantum Electronics 52 (5), 244

2020

Investigation of XANES study and energy transport phenomenon of Gd3+ to Ce3+ in CaO–SiO2–B2O3 glasses

R Rajaramakrishna, S Kaewjaeng, J Kaewkhao, S Kothan

Optical Materials 102, 109826

2020

Physical, optical properties and radiation shielding studies of xLa2O3-(100-x) B2O3 glass system

Y Al-Hadeethi, MI Sayyed, J Kaewkhao, BM Raffah, R Almalki, ...

Ceramics International 46 (4), 5380-5386

2020

Precursor Based Tuning of the Nonlinear Optical Properties of Au-Ag Bimetallic Nanoparticles Doped in Oxy-fluoroborate Glasses

Abhiram Jagannathan, Jagannath Gangareddy, R. Rajaramakrishna, K.M ...

Journal of Non-Crystalline Solids 561 (2021), 120766

2020

Eu3+ ions doped SrO-CaO-Li2O-B2O3glasses foroptical display material application

AR Venugopal, J Kaewkhao, J Abhiram, KM Rajashekara, ...

Journal of Physics: Conference Series 1485 (1), 012053

2020

Effect of sodium oxide and sodium fluoride in gadolinium phosphate glasses doped with Eu2O3 content

S Ravangvong, N Chanthima, R Rajaramakrishna, HJ Kim, J Kaewkhao

Journal of Luminescence, 116950

2020

Structural and luminescence study of Dy3+ doped phosphate glasses for solid state lighting applications

JK M. Shoaib, R. Rajaramakrishna, G. Rooh, N. Chanthima, H.J. Kim, C ...

Optical Materials 109, 110322

2020

Investigations on nonlinear optical properties of gold nanoparticles doped fluoroborate glasses for optical limiting applications

SK Abhiram Jagannathan, R. Rajaramakrishna, K.M. Rajashekara, Jagannath ...

Journal of Non-Crystalline Solids 538, 120010

2020

Effect of Sodium Oxide and Sodium Fluoride in Gadolinium Phosphate Glasses

NSJK S. Ravangvong, R. Rajaramakrishna, N. Chanthima

Journal of Physics: Conference Series 1428 ((2020)), 012029

2020

Molecular dynamics simulation and luminescence properties of Eu3+ doped molybdenum gadolinium borate glasses for red emission

R Rajaramakrishna, P Nijapai, P Kidkhunthod, HJ Kim, J Kaewkhao, ...

Journal of Alloys and Compounds 813, 151914

2020

Sm3+ Doped Lithium Strontium Borate Glasses for Solid State Lighting Applications

A. R. Venugopal, R. Rajaramakrishna, J. Abhiram, Vinayak Pattar, K. M ...

Glass Physics and Chemistry 45 (6), 472-484

2019

Physical, structural, optical, and radiation shielding properties of B2O3–Gd2O3–Y2O3 glass system

RR Y. Al-Hadeethi, M. I. Sayyed, J. Kaewkhao, A. Askin, Bahaaudin M. Raffah ...

Applied Physics A 125

2019

Development of ZnO–BaO–B2O3–TeO2 glass doped with Sm3+ for orange emitting material

P Yasaka, R Rajaramakrishna, W Wongwan, P Yamchumporn, HJ Kim, ...

Solid State Sciences 98, 106041

2019

Structural, spectroscopic and optical gain of Nd3+ doped fluorophosphate glasses for solid state laser application

J Rajagukguk, R Situmorang, M Djamal, R Rajaramakrishna, J Kaewkhao, ...

Journal of Luminescence 216, 116738

2019

Spectroscopy Study of Sm³⁺ Doped Fluorosilicate Glasses for Orange Emission Solid-State Device Application

I Khan, G Rooh, R Rajaramakrishna, N Sirsittipokakun, HJ Kim, ...

Glass Physics and Chemistry 45 (6), 447-458

2019

An extensive investigation of physical, optical and radiation shielding properties for borate glasses modified with gadolinium oxide

Y Al-Hadeethi, MI Sayyed, J Kaewkhao, BM Raffah, R Almalki, ...

Applied Physics A 125 (11), 1-10

2019

Dy3+ ions doped (Na2O/NaF)-Gd2O3–P2O5 glasses for solid state lighting material applications

S Ravangvong, N Chanthima, R Rajaramakrishna, HJ Kim, ...

Solid State Sciences 97, 105972

2019

Impact of solvents on energy gap, photophysical, photometric properties for a new class of 4-HCM coumarin derivative: Nonlinear optical studies and optoelectronic applications

AG Pramod, CG Renuka, YF Nadaf, R Rajaramakrishna

Journal of Molecular Liquids 292, 111383

2019

1.5 μm luminescence enhancement of Er3+ by local field surface plasmon resonance of Ag nanoparticles in silicate glasses

Rajaramakrishna,R, Ruangtaweep,Y, Sangwaranatee, N, Kaewkhao.J

Journal of non crystalline solids 521, 119522

2019

Energy Transfer and Spectroscopic Investigation of Dy 2 O 3 Doped Li 2 O–BaO–GdF 3–SiO 2 for White Light LED

I Khan, G Rooh, R Rajaramakrishna, N Srisittipokakun, HJ Kim, ...

Glass Physics and Chemistry 45 (5), 332-343

2019

Radiation shielding properties of BaO: WO3: Na2O: B2O3 glass system using WinXCom program in the range of 1 keV to 100 GeV: Theoretical calculation

K Siengsanoh, W Chaiphaksa, R Rajaramakrishna, W Cheewasukhanont, ...

Journal of Physics: Conference Series 1259 (1), 012009

2019

Physical and luminescence properties of rare earth doped phosphate glasses for solid state lighting applications

M Shoaib, N Chanthima, G Rooh, R Rajaramakrishna, J Kaewkhao

Interdisciplinary Research Review 14 (3), 20-26

2019

Glass material and their advanced applications

R Rajaramakrishna, J Kaewkhao

KnE Social Sciences 2019, kss. v3i18. 4769

2019

High transparency La2O3-CaO-B2O3-SiO2 glass for diagnosis x-rays shielding material application

S Kaewjaeng, S Kothan, W Chaiphaksa, N Chanthima, ...

Radiation Physics and Chemistry 160, 41-47

2019

Luminescence characteristics of Sm3+-doped lithium barium gadolinium silicate glasses for Orange LED's

I Khan, G Rooh, R Rajaramakrishna, N Srisittipokakun, HJ Kim, K Kirdsiri, ...

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 214, 14-20

2019

Photoluminescence Properties of Dy3+ Ion-Doped Li2O-PbO-Gd2O3-SiO2 Glasses for White Light Application

YR I. Khan, G. Rooh, R. Rajaramakrishna, N. Srisittipokakun, H. J. Kim, J ...

Brazilian Journal of Physics, 1-10

Physical and luminescence properties of samarium doped oxide and oxyfluoride phosphate glasses 2019

M Shoaib, G Rooh, R Rajaramakrishna, N Chanthima, HJ Kim, ...

Materials Chemistry and Physics 229, 514-522

2019

Comparative study of Sm3+ ions doped phosphate based oxide and oxy-fluoride glasses for solid state lighting applications

M Shoaib, G Rooh, R Rajaramakrishna, N Chanthima, N Kiwsakunkran, ...

Journal of Rare Earths 37 (4), 374-382

2019

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, HJ Kim, ...

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 210, 21-29

2019

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, HJ Kim, N Nuntawong, ...

Solid State Sciences 89, 57-66

2019

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, ...

Journal of Alloys and Compounds 774, 244-254

2019

Intriguing energy transfer mechanism in oxide and oxy-fluoride phosphate glasses

M Shoaib, G Rooh, N Chanthima, R Rajaramakrishna, HJ Kim, ...

Optical Materials 88, 429-444

2019

Effect of SnO2 and SeO2 in Non-linear optical properties of Au nanoparticle doped self-striking red ruby glasses

J. Abhiram, R. Rajaramakrishna, Y. Ruangtaweep, J. Kaewkhao

Thai J. Nanosci. Nanotechnol. 4 (1), 12-19

2019

Spectral Analysis of Ho3+ Doped Barium Zinc Boro-Tellurite Glasses for Yellow-Green Luminescent Applications

R. Rajaramakrishna, C. Wongdeeying. P. Yasaka. P. Limkitjaroenporn, J. Kaewkhao

Glass Physics and Chemistry 45 (1), 29-35

2019

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, ...

Journal of Physics: Conference Series 1120 (1), 012104

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

I Khan, G Rooh, R Rajaramakrishna, N Sirsittipokakun, HJ Kim, ...

Journal of Luminescence 203, 515-524

2018

Sm3+-Doped Molybdenum Gadolinium Borate Glasses for Orange Emission Laser Active Medium

R Rajaramakrishna, Y Ruangtawee, J Kaewkhao

Ukrainian Journal of Physics 63 (8), 721-721

2018

Investigations of optical and luminescence features of Sm3+ doped Li2O-MO-B2O3 (M= Mg/Ca/Sr/Ba) glasses mixed with different modifier oxides as an orange light emitting …

K Kirdsiri, RR Ramakrishna, B Damdee, HJ Kim, S Kaewjaeng, S Kothan, ...

Journal of Alloys and Compounds 749, 197-204

2018

Gamma-ray shielding effect of Gd³⁺ doped lead barium borate glasses

H Kummathi, R Rajaramakrishna

AIP Conference Proceedings 1953 (1), 090051

2018

Sm 3+ 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, HJ Kim, S Kaewjaeng, ...

J. Alloys Compd. 749, 197-204

2018

Pr3+ doped BaO:ZnO:B2O3:TeO2 glasses for laser host matrix

R Rajaramakrishna, Chananya Wongdeeying, Patarawagee Yasaka, Pruittipol ...

Journal of Metals, Materials and Minerals 28 (2), 47-54

2018

Nanosecond Nonlinear Optical Properties of Sodium Triborate Glasses doped GoldNanoparticles

G Jagannath, B Eraiah, R Rajaramakrishna

International Journal in Physical and Applied Sciences, 71

2017

Optical properties of Nd3+ doped BaF2-ZnO-B2O3 Oxyflouride glasses

N.B. Shigihalli, Ashoka. G, R. Rajaramakrishna

International Journal in Physical and Applied Sciences 4 (7), 76-89

2017

Spectroscopic study of neodymium doped lead-bismuth-borate glasses

A Pasha, M Negalur, M Swamy, R Rajaramakrishna

AIP Conference Proceedings 1728 (1), 020264

2016

Structure and nonlinear optical studies of Au nanoparticles embedded in lead lanthanum borate glass

R Rajaramakrishna, C Saiyasombat, RV Anavekar, H Jain

Journal of non-crystalline solids 406, 107-110

2014

Spectroscopic properties of Sm3+-doped lanthanum borogermanate glass

R Rajaramakrishna, B Knorr, V Dierolf, RV Anavekar, H Jain

Journal of luminescence 156, 192-198

2014

Elastic properties of Li⁺ doped lead zinc borate glasses

R Rajaramakrishna, R Lakshmikantha, RV Anavekar

AIP Conference Proceedings 1591 (1), 736-738

2014

Non-linear optical studies of barium-borate glass-ceramic-nanocomposite containing gold nanoparticles

Y Shivaprakash, RR Rajaramakrishna, RV Anavekar

International Journal of Science Research 1 (4)

2013

Optical properties and Judd-Ofelt Analysis of Sm3+ Doped lead zinc borate glass

RVA Rajaramakrishna. R, Lakshmikantha. R, N. H. Ayachit

International Journal of Pure & Applied Sciences 2 (1), 24-34

2013

Optical and radiative properties of Nd³⁺-doped lead tellurite borate glasses

NB Shigihalli, R Rajaramakrishna, RV Anavekar

Canadian journal of physics 91 (4), 322-327

2012

Nonlinear optical studies of lead lanthanum borate glass doped with Au nanoparticles

R Rajaramakrishna, S Karuthedath, RV Anavekar, H Jain

Journal of Non-Crystalline Solids 358 (14), 1667-1672

2012

Optical properties of Eu₂O₃ doped lead fluoroborate glass

A Wagh, KK Mahato, R Lakshmikanth, R Rajaramakrishna, SD Kamath

AIP Conference Proceedings 1447 (1), 537-538

2012

Thermal analysis, spectral characterization and refractive index studies of lithium doped PbO-ZnO-B₂O₃ glass

R Rajaramakrishna, R Lakshmikantha, RV Anavekar

AIP Conference Proceedings 1447 (1), 541-542

2012

Transport properties of PbO-P₂O₅-ZnO-Li₂O glass system

R Lakshmikantha, R Rajaramakrishna, NH Ayachit, RV Anavekar

AIP Conference Proceedings 1447 (1), 551-552

2012

Characterization and structural studies of lithium doped lead zinc phosphate glass system

R Lakshmikantha, R Rajaramakrishna, RV Anavekar, NH Ayachit

Materials Chemistry and Physics 133 (1), 249-252

2012

Characterization and structural studies of vanadium doped lithium–barium–phosphate glasses

R Lakshmikantha, R Rajaramakrishna, RV Anavekar, NH Ayachit

Canadian journal of physics 90 (3), 235-239

2012

Optical Properties of Pb0‐ZnO‐P2O5 Glasses Doped With Samarium and Neodymium

R Lakshmikantha, R Rajaramakrishna, RV Anavekar, NH Ayachit

AIP Conference Proceedings 1349 (1), 529-530

2011

Optical Properties of Doped Lead Borate Tellurite and Zinc Borate Tellurite Glasses

NB Shigihalli, R Rajaramakrishna, RV Anavekar

AIP Conference Proceedings 1349 (1), 547-548

2011

Deposition and characterization of TiAlSiN nanocomposite coatings prepared by reactive pulsed direct current unbalanced magnetron sputtering

HC Barshilia, M Ghosh, R Ramakrishna, KS Rajam

Applied Surface Science 256 (21), 6420-6426

2010

Deposition of TiAlSiN nanocomposite coatings using four-cathode reactive direct current unbalanced magnetron sputtering system

KS Barshilia, Harish C and Ghosh, Moumita and Shashidhara, Acharya and ...

International Conference on Surface Modification Technologies XXIII …

2010

PAPERS PRESENTED IN NATIONAL CONFERENCES (INDIA):

1. Synthesis characterization and optical properties of PbO-ZnO-B₂O₃ glass doped with Sm³⁺ and Pr³⁺, Rajaramakrishna.R,­­­ Lakshmikantha. R andR.V.Anavekar, International Conference on Advanced Materials and its Applications (ICAM-2011), Kalasalingam University, Tamilnadu, India. 4^th and 5^th March 2011.

2. Characterization and structural studies of vanadium doped lithium-barium-phosphate glasses, Lakshmikantha.R, Rajaramakrishna.R, Anavekar.R.V and Ayachit.N.H, Presented poster, International conference on advanced materials (ICAM-2012), January 5-7, (2012) organised by Loyola College, Chennai, Tamilnadu.

3. Judd-Ofelt analysis of Nd³⁺ doped lead–tellurite–borate glasses, Shigihalli.N.B, Rajaramakrishna.R,­­­Lakshmikantha. R, R.V.Anavekar, Presented to ICWNCN-2012 (International conference and workshop on Nanostructured Ceramics and other Nanomaterials) conducted by Delhi university (2012).

4. Non-Linear Optical Studies of Barium-Borate Glass-Ceramic-Nanocomposite Containing Gold Nanoparticles, Y. Shivaprakash, R. Rajaramakrishna and R. V. Anavekar, Presented to International conferences of Recent Advances in Material science (RAMS-2012) 6^th to 8^th November (2012).

5. Electrical conductivity of Li₂O doped lead zinc borate glass, IUMRS-ICA 2013, December 16-20, (2013), Rajaramakrishna.R,­­­ Lakshmikantha. R, R.V.Anavekar, Organized by Indian Institute of Science, Bangalore, India.

Papers Presented / Attendedin International conferences

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

· Sm³⁺ doped Molybdenum Gadolinium Borate glasses for orange emission laser active medium, R. Rajaramakrishna. et. al,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/

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

· "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).

· "Effect of Au nanoparticles on the nonlinear optical response of lead lanthanum borate glass for saturable absorber applications",R. Rajaramakrishna, R.V.Anavekar, H. Jain, presented poster in International Material Institute, (IMI-NFG) Lehigh University Bethlehem, PA 18015 USA, September 13 (2012).

· "Sm³⁺-doped lanthanum borogermanate glass for active optical functions", R. Rajaramakrishna, Brian Knorr, Volkmar Dierolf, R.V. Anavekar, H. Jain, presented poster paper in International Material Institute, (IMI-NFG) Lehigh University Bethlehem, PA 18015 USA, September 13 (2012).

· Structural correlation using XANES, EXAFS and Photoluminescence studies of Ce³⁺ : Dy³⁺ co-doped calcium zinc gadolinium borate glasses, R. Rajaramakrishna, Y. Ruangtaweep, Suchinda Sattayaporn, Pinit Kidkhunthod, J. Kaewkhao, ACXAS-2019, Aug 29^th-30^th 2019, Chiang Mai, Thailand.

· "Investigation of XAS study and energy transfer phenomenon of Gd³⁺ to Ce³⁺ in calcium silicaborate glasses", R. Rajaramakrishna, S. Kaewjeang, W. Klysubun, S. Kothan, J. Kaewkhao, ACXAS-2019, Aug 29^th-30^th 2019, Chiang Mai, Thailand.

INTERNATIONAL / NATIONAL WORKSHOP ATTENDED IN INDIA:

1. “Theme Meeting on Laser Glass Science & technology” held on 1^st& 2^nd March 2011 at Sri Venkateshwara University, Tirupati-517502.

2. “International conference and workshop on Nanostructured Ceramics and other Nanomaterials” (ICWNCN-2012) March 13^th 2012, Organized by Delhi university.

3. “Workshop on science of climate change- Indian scenario (SCC-IS 2013)” at the Department of Post-graduate Studies in Physics, K L E Society’s S.Nijalingappa College, Bangalore During 23-24, August 2013.

4. "Special workshop on ligand field theory calculation in ASIAN Conference on X-Ray Absorption Spectroscopy 2019 (ACXAS 2019)" by Prof. Dr. Frank de Groot, Utrecht University, Netherlands, Dr. Pieter Glatzel and Dr. Marius Retegan, ESRF, France on August 28^th, 2019 held at Holiday Inn, Chiang Mai, Thailand.

Recognition:

· Conceptualised Google Application: BATCH MATRIX CALCULATOR App was launched by Dr. A. S. Kiran Kumar, Indian Space Research Organisation Director (ISRO Chairman) (Available in Google Play Store)

Organized National level Conference on “Emerging Trends in High Energy Physics (NCHEP- 2015)”on 29–1st July 2015 as Co-Convener& Secretary.

Auspice Organization’s:

• University Grants Commission (U.G.C)

• Indian Space Research Organization (I.S.R.O)

Venue: Dr. H.N. Kalakshetra, The National Degree College Jayanagar Bangalore- 560070

Delegates of the Conference and Invitee Talks:

The conference was inaugurated by I.S.R.O Chairman Sri. A.S. Kiran Kumar and several other eminent Senior Scientist from, I.G.C.A.R, Kalpakkam, Sri. Bhaskaran, Retd. Emeritus Professor Dr. G Ramachandran, Mysore University, Dr. B. Manikiam, Sir M.Visveswariah chair, Bangalore University, Dr. K.P. Ramesh, Head of Dept. Physics , IISc, Bangalore. Dr. Chethan Krishnan, High Energy Physics Dept. IISc, Bangalore, Dr. B. Rudraswamy, Professor, Department of PG Studies In Physics, Bangalore University, Dr. Sanjeev Ganesh, Head of the Microtron center Mangalore, Mangalore University, Dr. P. Raghotama Rao Retd. Scientist‘G’ D.R.D.O, Shri. Mohan Ram, Senior Scientist, Nuclear power station, Kaiga, Dr. ChetanRao, PG Dept. of Physics, SDM College Ujire.

Organized National level Conference on “Condensed Matter & Space Sciences - 2017” (NCCSS-2017) on 3rd & 4th July 2017 as Co-Ordinator.

Auspice Organization’s: National College, Jayanagar, Bangalore, INDIA

Autonomous Grants

Venue: Dr. H.N. Kalakshetra and B. V. J. Science Centre, The National Degree College Jayanagar Bangalore- 560070.

Delegates of the Conference and Invitee Talks:

The conference was inaugurated by I.S.R.O Distinguished Scientist Sri. P. J. Bhat, President of NES Dr. A. H. Rama Rao and Secretary of NES Prof. S. N. Nagaraja Reddy and several other eminent Senior Scientist from, J.N.C.A.S.R, Bangalore, Dr. S. M. Shivaprasad, Dr. Yellamggad, CeNS, Bangalore, Dr. B. Manikiam, Sir M.Visveswariah chair, Bangalore University, Dr. Harish Barshilia, Head of SED, NAL, Bangalore. Dr. Chandan Das Gupta, Physics Dept. IISc, Bangalore, Dr. B. Eraiah, Professor, Department of PG Studies In Physics, Bangalore University, Dr. P. Raghotama Rao Retd. Scientist‘G’ D.R.D.O.

Radon exhalation rate measurement in the environment of Hassan district of southern India

BG Jagadeesha, Y Narayana

Radiochemistry 59 (1), 104-108

2017

Radium and radon exhalation rate in soil samples of Hassan district of South Karnataka, India

BG Jagadeesha, Y Narayana

Radiation protection dosimetry 171 (2), 238-242

2016

Natural radionuclide concentration in Hassan district of South India

BG Jagadeesha, Y Narayana

Radiation Protection and Environment 41 (1), 37-41

2018

Studies on uptake and retention of trace elements by medicinal plants in the environs of Hassan of South India

BG Jagadeesha, Y Narayana, M Sudarshan, S Banerjee

Radiation Physics and Chemistry 144, 317-321

2017

Effect of Grain Size on Radon Exhalation Rate in the Soils of Hassan District of Southern India

BG Jagadeesha, Y Narayana

Radiochemistry 60 (3), 328-333

2018

Radium and radon exhalation rate in soil samples of Hassan District of South Karnataka

BG Jagadeesha, Y Narayana

Proceedings of the first national conference on radiation awareness and …

2015

Precursor Based Tuning of the Nonlinear Optical Properties of Au-Ag Bimetallic Nanoparticles Doped in Oxy-fluoroborate Glasses

A Jagannathan, J Gangareddy, R Rajaramakrishna, KM Rajashekara, ...

Journal of Non-Crystalline Solids 561, 120766

2021

Effect of heavy metal oxides on photoluminescence and spectroscopic attributes of Eu3+ activated borate glasses

P Ramesh, J Gangareddy, KN Sathish, AG Pramod, V Hegde, UM Pasha, ...

Optical Materials 114, 110933

2021

Nonlinear optical, optical limiting and radiation shielding features of Eu3+ activated borate glasses

G Jagannath, AG Pramod, K Keshavamurthy, BN Swetha, B Eraiah, ...

Optik 232, 166563

2021

Efficacy of Eu3+ on improving the near–infrared optical nonlinearities and optical limiting properties of antimony sodium borate glasses

N Fatima, AG Pramod, P Ramesh, KN Krishnakanth, G Jagannath, ...

Journal of Non-Crystalline Solids 556, 120566

2021

Enhanced 1.53 µm emission of Er3+ in nano-Ag embedded sodium-boro-lanthanate glasses

BN Swetha, G Devarajulu, K Keshavamurthy, G Jagannath, HR Deepa

Journal of Alloys and Compounds 856, 158212

2021

Enhanced Non-linear Optical Properties of Eu3+ Activated Glasses by Embedding Silver Nanoparticles

N Fatima, AG Pramod, G Jagannath, R Rajaramakrishna, ...

Ceramics International

2021

Comparative Study on Au-Ag composition in Lithium Zinc Calcium Fluroborate Glasses: Nonlinear Optics Perspective

J Abhiram, R Rajaramakrishna, KM Rajashekara, G Jagannath, ...

Journal of Physics: Conference Series 1819 (1), 012022

2021

Nanosecond nonlinear optical, optical limiting and gamma radiation shielding attributes of Eu3+ ions doped heavy metal borate glasses

G Jagannath, MI Sayyed, AMS Alhuthali

Ceramics International

2021

Effect of Eu3+ in tuning the ultrafast third-order optical nonlinearity in heavy metal borate glasses

P Ramesh, V Hegde, AG Pramod, B Eraiah, SV Rao, S Shisina, S Das, ...

Optical Materials 108, 110051

2020

Compositional dependence of red photoluminescence of Eu3+ ions in lead and bismuth containing borate glasses

P Ramesh, V Hegde, AG Pramod, B Eraiah, DA Agarkov, GM Eliseeva, ...

Solid State Sciences 107, 106360

2020

Physical, structural and photo luminescence properties of lead boro-tellurite glasses doped with Eu3+ ions

C Devaraja, GVJ Gowda, K Keshavamurthy, B Eraiah, G Devarajulu, ...

Vacuum 177, 109426

2020

Investigations on nonlinear optical properties of gold nanoparticles doped fluoroborate glasses for optical limiting applications

A Jagannathan, R Rajaramakrishna, KM Rajashekara, J Gangareddy, ...

Journal of Non-Crystalline Solids 538, 120010

2020

Elucidating the structure and optimising the photoluminescence properties of Sr2Al3O6F: Eu3+ oxyfluorides for cool white-LEDs

P Ranjith, S Sreevalsa, J Tyagi, K Jayanthi, G Jagannath, P Patra, ...

Journal of Alloys and Compounds 826, 154015

2020

Influence of PbO on nonlinear optical properties of Eu³⁺ doped La₂O₃–PbO–B₂O₃ glasses

P Ramesh, G Jagannath, B Eraiah, SV Rao, MK Kokila

AIP Conference Proceedings 2220 (1), 080048

2020

Plasmonic and nonlinear optical behavior of nanostructures in glass matrix for photonics application

P Kumar, MC Mathpal, J Prakash, G Jagannath, WD Roos, HC Swart

Materials Research Bulletin 125, 110799

2020

Influence of gold nanoparticles on the nonlinear optical and photoluminescence properties of Eu 2 O 3 doped alkali borate glasses

G Jagannath, B Eraiah, K Jayanthi, SR Keshri, S Som, G Vinitha, ...

Physical Chemistry Chemical Physics 22 (4), 2019-2032

2020

Influence of Eu³⁺ ions on nonlinear optical properties of alklai borate glasses at near-infrared wavelengths

G Jagannath, B Eraiah, KN Krishnakanth, SV Rao

AIP Conference Proceedings 2142 (1), 070024

2019

Femtosecond nonlinear optical properties of heavy metal borate glasses studied using Z–scan technique

P Ramesh, G Jagannath, AG Pramod, KN Krishnakanth, SV Rao, ...

AIP Conference Proceedings 2142 (1), 070025

2019

Structural and Femtosecond Third-Order Nonlinear Optical Properties of Sodium Borate Oxide Glasses: Effect of Antimony

J Gangareddy, E Bheemaiah, A Gaddam, HR Fernandes, D Brazete, ...

The Journal of Physical Chemistry C

2019

Nonlinear optical studies of sodium borate glasses embedded with gold nanoparticles

J Gangareddy, E Bheemaiah, V Gandhiraj, JT James, JK Jose, KK Naga, ...

Applied Physics B 124 (10), 1-9

2018

Optical, structural and Near-IR NLO properties of gold nanoparticles doped sodium zinc borate glasses

SB Kolavekar, NH Ayachit, G Jagannath, K NagaKrishnakanth, SV Rao

Optical Materials 83, 34-42

2018

Linear and nonlinear optical properties of gold nanoparticles doped borate glasses

G Jagannath, B Eraiah, K NagaKrishnakanth, SV Rao

Journal of Non-Crystalline Solids 482, 160-169

2018

Optical and physical investigations of lanthanum bismuth borate glasses doped with Ho2O3

P Ramesh, G Jagannath, B Eraiah, MK Kokila

IOP Conference Series: Materials Science and Engineering 310 (1), 012032

2018

Research Publication in Journals

Elsevier

•Investigations on nonlinear optical properties of gold nanoparticles doped fluoroborate glasses for optical limiting applications, Abhiram Jagannathan , Rajaramakrishna R, Rajashekara K M, JagannathGangareddy, VinayakPattar K, Venugopal RaoS, Eraiah B, Jagadeesha Angadi V, Kaewkhao J, Kothan S, Journal of Non Crystalline Solids, (2020); https://doi.org/10.1016/j.jnoncrysol.2020.120010

SPRINGER

•Sm³⁺ doped lithium strontium borate glasses for solid state lighting applications, Journal of glass physics and chemistry A. R. Venugopal, R. Rajaramakrishna, J. Abhiram, Vinayak Pattar, K. M. Rajashekara J. Kaewkhao, Glass Phys Chem 45, 472–484 (2019). https://doi.org/10.1134/S1087659620010216

AIP Conference Proceedings

•Gamma-ray shielding effect of Gd³⁺ doped lead barium borate glasses., Harshitha Kummathi, Naveen Kumar P., Vedavathi T. C., Abhiram J. and R. Rajaramakrishna , AIP Conference Proceedings 1953, 090051 (2018); https://doi.org/10.1063/1.5032898

•Spectroscopic study of neodymium doped lead-bismuth-borate glasses, Altaf Pasha, Dayani P., Mahesh Negalur, Manjunatha Swamy, Abhiram J and R. Rajaramakrishna, AIP Conference Proceedings 1728, 020264 (2016); https://doi.org/10.1063/1.4946315.

IOP Conference Proceedings

•Optical Properties of Calcium Sodium Phosphate Glasses Doped With Strontium, M Chethan, M Sudhakar Reddy, J Abhiram and Asha Rajiv 2020 J. Phys.: Conf. Ser. 1495 012030   https://doi.org/10.1088/1742-6596/1495/1/012030.

•Eu³⁺ ions doped SrO-CaO-Li₂O_-B₂O₃glasses foroptical display material application A.R. Venugopal, J. Kaewkhao, J Abhiram, K M Rajashekara, R. Rajaramakrishna, N. G. Pramod and Chethan Rao 2020 J. Phys.: Conf. Ser. 1485 012053   https://doi.org/10.1088/1742-6596/1485/1/012053

•Experimental Studies on role of pH, potential and concentration of buffer solution for chemical bath deposition technique- B L Suresha, H S Sumantha, K Mohammed Salman, N G Pramod and J Abhiram doi://10.1088/1757-899X/346/1/012033

Thai Journal of Nanotechnology

•Effect of SnO2 and SeO2 in Non-linear optical properties of Au nanoparticle doped self striking red ruby glasses., J. Abhiram, R. Rajaramakrishna, Y. Ruangtaweep, J. Kaewkhao http://www.nano.kmitl.ac.th/tjnn/index.php/tjnn/article/view/51

International Journal of Multidimensional Research

•Structural & Optical Properties of Copper doped Lanthanum Strontium Borate Glasses, Thontadaryadeeksht, Rojashree S, Suraj K, Abhiram J, R.Raja Ramakrishna, Rajashekara K.M, Vol. 04, Issue 07 July 2017, ISSN: 2934-5170, International Journal in Pure & Applied Sciences

INTERNATIONAL CONFERENCE PROCEEDINGS

•"Eu³⁺ ions doped SrO-CaO-Li₂O_-B₂O₃glasses foroptical display material application" A.R. Venugopal, J. Kaewkhao, Abhiram J Rajashekara K M,R. Rajaramakrishna^,N. G. Pramod, Chethan Rao, Two days International Conference on Science & Technology Applications (ICoSTA-2019) on 13^th and 14^th Novemeber 2019 organised by NPRU, CeGM Thailand, at Medan City, Indonesia.

•"Optical and structural properties of ZnO-SrO-B₂O₃ glasses", Abhiram J, Thejas R, R Raja Ramakrishna, Vinayak Pattar, A R Venugopal, Rajashekara K M, Three Days International Conference Advanced Materials & Research (ICAMR- 2019) on 25^th, 26^th and 27^th Juy 2019 conference at MSRUAS, Bangalore.

•"Effects on Inter-Substitution of SrO to Li₂O In Borate Glass Systems Doped With Sm³⁺ Ions" A R Venugopal,R Raja Ramakrishna,Abhiram J, Vinayak Pattar, Rajashekara K M, Three Days International Conference Advanced Materials & Research (ICAMR- 2019) on 25^th, 26^th and 27^th Juy 2019 conference at MSRUAS, Bangalore.

•"Experimental Studies on role of pH, potential and concentration of buffer solution for chemical bath deposition technique" B L Suresha, Mohammed Salman, Sumantha H S, Pramod N G , Abhiram J, 2018 IOP Conf. Ser.: Mater. Sci. Eng. 346 012033   https://doi.org/10.1088/1757-899X/346/1/012033, IMMT 2017, BITS Campus- Dubai.

•“Gamma Ray Shielding effects on Gd⁺³ doped Lead Barium Borate Glasses” Harshitha Kummathi, Naveen Kumar P, Vedavathi T C ,Abhiram J,Rajaramakrishna R, AIP Conference Proceedings 1953, 090051 (2018); https://doi.org/10.1063/1.5032898 2- Day International Conference on Condensed matter Physics and Applied Sciences (ICC- 2017) on 23^rd & 24^th November 2017 organized by Govt. College of Engineering, Bikaner, Rajasthan.

•“Spectroscopic Study on Neodymium doped PbBiB glass” Altaf Pasha, Dayani P, Mahesh Neglur, Manjunatha Swamy K R, Abhiram J, Rajaramakrishna R, AIP Conf. Proc. 1728, 020264 (2016); http://dx.doi.org/10.1063/1.4946315 2- Day International Conference on Condensed matter Physics and Applied Sciences (ICC- 2015) on 30^thOctober & 31^stOctober 2015 organized by Govt. College of Engineering, Bikaner, Rajasthan.

NATIONAL CONFERENCE PROCEEDINGS

•"Structural and Optical Properties of Copper doped Lanthanum Strontium Borate Glasses",Thontadharyadeekshith.M, Rojashree.S, Suraj.K, Abhiram.J, R.Rajaramakrishna Rajashekara K M,Vol.04 Issue-07, (July, 2017) ISSN: 2394-5710 International Journal in Physical and Applied Sciences (Impact Factor- 4.657), 2 Days National Conference on "Condensed matter and Space Sciences " (NCCSS 2017) during 03rd and 4th July 2017,organized by Department of Physics (P.G), National College Jayanagar, Bangalore -70

•“Rotational Dynamics Of Mn+7 in KMnO4” ,R Rajaramakrishna, Abhiram J,Vinayak Pattar, 3- Day National Conference on “Emerging Trends In High Energy Physics” (NCHEP- 2015) during 29^th June – 1^st July 2015 organized by Department of Post Graduate Studies and Research In Physics, National College Jayanagar Bangalore-560070

•“Electroplating Aluminum using the method of electrolysis” Abhiram J, Prashanth K.P., Sumantha H.S, Manjunath G.L, 3- Day National Conference on “Emerging Trends In High Energy Physics” (NCHEP- 2015) during 29^th June – 1^st July 2015 organized by Department of Post Graduate Studies and Research In Physics, National College Jayanagar Bangalore-560070

•Poster on “The Physical Aspects Of Certain Musical Ragas”B.S.Seshadri, Abhiram J, Keerthi A, Arya S Bhat, 3- Day National Conference on “Emerging Trends In High Energy Physics” (NCHEP- 2015) during 29^th June – 1^st July 2015 organized by Department of Post Graduate Studies and Research In Physics, National College Jayanagar Bangalore-560070

•Poster on “Electroplating lead using the method of electrolysis” Abhiram J, Suma B, Shubha A.V, Lavanya M.S, 3- Day National Conference on “Emerging Trends In High Energy Physics” (NCHEP- 2015) during 29^th June – 1^st July 2015 organized by Department of Post Graduate Studies and Research In Physics, National College Jayanagar Bangalore-560070

•Poster on “Electroplating Zinc using the method of electrolysis” Abhiram J,Prashanth K.P., Suhas N, 3- Day National Conference on “Emerging Trends In High Energy Physics” (NCHEP- 2015) during 29^th June – 1^st July 2015 organized by Department of Post Graduate Studies and Research In Physics, National College Jayanagar Bangalore-560070

•Poster on “Gamma ray attenuation in lead induced concrete blocks” Chethan M, Arun Kumar K, Pratap S,G Santhosh A, Abhiram J, B.S.Seshadri, 3- Days National Conference on “Emerging Trends In High Energy Physics” (NCHEP- 2015) during 29^th June – 1^st July 2015 organized by Department of Post Graduate Studies and Research In Physics, National College Jayanagar Bangalore-560070