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Materials Scientist | Optical Spectroscopy | Luminescent Materials & Sensors | Scientific Writing & Peer Review
Profile Summary
Subject Matter Expertise
Services
Writing
Technical Writing
Work Experience
Scientific researchers
University of Aveiro
January 2025 - Present
Investigator
University of Aveiro
January 2019 - December 2024 
Post-Doctoral Researcher
Universidade de Aveiro
January 2012 - December 2018
Education
Ph.D. (physics)
Sri Venkateswara University
- Present
Ph.D. (physics)
Sri Venkateswara University
- Present
Certifications
Publications
JOURNAL ARTICLE
K. Pavani, N. Revathi, A.J. Neves, M.P.F. Graça, M.P.F. Graça, Celeste Azevedo, Celeste Azevedo, M. Jayasimhadri, M. Jayasimhadri, S.K. Jakka, et al. (2026). Photoluminescence properties and anomalous refractive index in Eu³⁺:BiLaWO6 ceramics . Journal of Molecular Structure.
Mechanochemical Origins of Hierarchical Defect Coupling in Zero-Dimensional Cs4PbBr6 Perovskites: Impact on White-LED and CO2 Photoreduction Efficiencies @article {
author = {Lizhuang D and Pranab M and S.K. Jakka and Kaliyamoorthy and K. Pavani and Marek P and Ifat K and et al.},
title = {Mechanochemical Origins of Hierarchical Defect Coupling in Zero-Dimensional Cs4PbBr6 Perovskites: Impact on White-LED and CO2 Photoreduction Efficiencies},
journal = {Advanced Functional Materials},
year = {2026}
}. Advanced Functional Materials.
Vidyasagar, R., Jakka, S.K., Vidyasagar, R., Jakka, S.K.(2026). Observation of resonant excitonic band in bilayer graphene . Solid State Communications. 409.
R. Vidyasagar, T. Udayabhaskararao, S.K. Jakka (2025). Observation of self-trapped polaron exciton signatures in ligand-assisted lead halide perovskite nanocrystals . Scripta Materialia.
Suresh Kumar Jakka, Alice Marciel, A. C. Bastos, Luiz Pereira, Joel Borges, Filipe Vaz, Marco Peres, Katharina Lorenz, L. C. Alves, Arijeta Bafti, et al. (2025). Niobium–Molybdenum Oxide Thin Films Grown on Flexible ITO-Coated PET Substrates . ACS Applied Energy Materials.
Marciel, A., Marciel, A., Bastos, A.C., Bastos, A.C., Pereira, L., Pereira, L., Jakka, S.K., Jakka, S.K., Borges, J., Borges, J., et al.(2025). Niobium-Molybdenum Oxide Thin Films Grown on Flexible ITO-Coated PET Substrates . ACS Applied Energy Materials. 8. (7). p. 4184-4199.
Hammami, I., Hammami, I., Fernandes Graça, M.P., Fernandes Graça, M.P., Gavinho, S.R., Gavinho, S.R., Regadas, J.S., Regadas, J.S., Jakka, S.K., Jakka, S.K., et al.(2025). Influence of zirconium dioxide (ZrO2) and magnetite (Fe3O4) additions on the structural, electrical, and biological properties of Bioglass® for metal implant coatings . Frontiers in Bioengineering and Biotechnology. 13.
Mahroug, A., Ltaief, H., Khitouni, M., Krishnapuram, P., Kumar, S., Mahroug, A., Fernandes Graça, M.P., Ltaief, H., Belhouchet, M., Khitouni, M., et al.(2025). Crystal structure, thermal behavior, electric and dielectric properties of a novel organic–inorganic hybrid compound based on iron (III) chloride . Results in Chemistry. 14.
Vidyasagar, R., Udaybaskarrao, T., Jakka, S.K., Vidyasagar, R., Udaybaskarrao, T., Jakka, S.K.(2025). Observation of self-trapped polaron exciton signatures in ligand-assisted lead halide perovskite nanocrystals . Scripta Materialia. 268.
Suresh Kumar Jakka, Alice Marciel, Alexandre Bastos, Luiz Pereira, Joel Borges, Filipe Vaz, Marco Peres, Katharina Lorenz, Arijeta Bafti, Luka Pavić, et al. (2024). Niobium Oxide Thin Films Grown on Flexible ITO-Coated PET Substrates . Coatings.
Suresh Kumar Jakka, Alice Marciel, Alexandre Bastos, Luiz Pereira, Joel Borges, Filipe Vaz, Marco Peres, Katharina Lorenz, Arijeta Bafti, Luka Pavić, et al. (2024). Niobium Oxide Thin Films Grown on Flexible ITO-Coated PET Substrates . Coatings.
Suresh Kumar Jakka, Imen Hammami, Isabel Sá-Nogueira, João Paulo Borges, Manuel Pedro Fernandes Graça (2024). The Effect of Iron Oxide Insertion on the In Vitro Bioactivity, and Antibacterial Properties of the 45S5 Bioactive Glass . Biomimetics.
Suresh Kumar Jakka, Pavani Krishnapuram (2024). Spectroscopy in Characterization of Materials—Developments . Applied Sciences.
Suresh Kumar Jakka, Pavani Krishnapuram (2024). Spectroscopy in Characterization of Materials—Developments . Applied Sciences.
Suresh Kumar Jakka, Imen Hammami, Isabel Sá-Nogueira, João Paulo Borges, Manuel Pedro Fernandes Graça (2024). The Effect of Iron Oxide Insertion on the In Vitro Bioactivity, and Antibacterial Properties of the 45S5 Bioactive Glass . Biomimetics.
Suresh Kumar Jakka, Imen Hammami, Manuel Pedro Fernandes Graça, Sílvia Rodrigues Gavinho, João Paulo Borges, Jorge Carvalho Silva, Luís Cadillon Costa (2024). Exploring the Impact of Copper Oxide Substitution on Structure, Morphology, Bioactivity, and Electrical Properties of 45S5 Bioglass® . Biomimetics.
Suresh Kumar Jakka, Imen Hammami, Manuel Pedro Fernandes Graça, Sílvia Rodrigues Gavinho, João Paulo Borges, Jorge Carvalho Silva, Luís Cadillon Costa (2024). Exploring the Impact of Copper Oxide Substitution on Structure, Morphology, Bioactivity, and Electrical Properties of 45S5 Bioglass<sup>®</sup> . Biomimetics.
Suresh Kumar Jakka, Sílvia Rodrigues Gavinho, Imen Hammami, Sílvia Soreto Teixeira, Jorge Carvalho Silva, João Paulo Borges, Manuel Pedro Fernandes Graça (2024). Influence of the Addition of Zinc, Strontium, or Magnesium Oxides to the Bioglass 45S5 Network on Electrical Behavior . Materials.
Suresh Kumar Jakka, Sílvia Rodrigues Gavinho, Imen Hammami, Sílvia Soreto Teixeira, Jorge Carvalho Silva, João Paulo Borges, Manuel Pedro Fernandes Graça (2024). Influence of the Addition of Zinc, Strontium, or Magnesium Oxides to the Bioglass 45S5 Network on Electrical Behavior . Materials.
do Carmo, F.F., do Nascimento, J.P.C., Abreu, T.O., Nogueira, F.E.A., da Silva, M.A.S., Pavani, K., Graça, M.P.F., Jakka, S.K., da Silva, R.S., Trukhanov, S.V., et al.(2024). Temperature effects on luminescence of YNbO4:Er3+/Tm3+/Yb3+ white-light upconversion phosphor and sensing behavior based on thermally and non-thermally coupled levels . Applied Physics A Materials Science and Processing. 130. (7).
Hammami, I., Graça, M.P.F., Gavinho, S.R., Jakka, S.K., Borges, J.P., Silva, J.C., Costa, L.C., Hammami, I., Graça, M.P.F., Gavinho, S.R., et al.(2024). Exploring the Impact of Copper Oxide Substitution on Structure, Morphology, Bioactivity, and Electrical Properties of 45S5 Bioglass® . Biomimetics. 9. (4).
Krishnapuram, P., Jakka, S.K., Krishnapuram, P., Jakka, S.K.(2024). Spectroscopy in Characterization of Materials—Developments . Applied Sciences Switzerland. 14. (10).
Marciel, A., Bastos, A., Pereira, L., Jakka, S.K., Marciel, A., Borges, J., Bastos, A., Vaz, F., Pereira, L., Peres, M., et al.(2024). Niobium Oxide Thin Films Grown on Flexible ITO-Coated PET Substrates . Coatings. 14. (9).
Hammami, I., Jakka, S.K., Sá-Nogueira, I., Hammami, I., Borges, J.P., Jakka, S.K., Graça, M.P.F., Sá-Nogueira, I., Borges, J.P., Graça, M.P.F.(2024). The Effect of Iron Oxide Insertion on the In Vitro Bioactivity, and Antibacterial Properties of the 45S5 Bioactive Glass . Biomimetics. 9. (6).
Gavinho, S.R., Hammami, I., Jakka, S.K., Teixeira, S.S., Silva, J.C., Borges, J.P., Graça, M.P.F., Gavinho, S.R., Hammami, I., Jakka, S.K., et al.(2024). Influence of the Addition of Zinc, Strontium, or Magnesium Oxides to the Bioglass 45S5 Network on Electrical Behavior . Materials. 17. (2).
Suresh Kumar Jakka, Imen Hammami, Sílvia Rodrigues Gavinho, Manuel Almeida Valente, Manuel Pedro Fernandes Graça, Ana Sofia Pádua, Jorge Carvalho Silva, Isabel Sá-Nogueira, João Paulo Borges (2023). Antibacterial Biomaterial Based on Bioglass Modified with Copper for Implants Coating . Journal of Functional Biomaterials.
Suresh Kumar Jakka, Imen Hammami, Sílvia Rodrigues Gavinho, Manuel Almeida Valente, Manuel Pedro Fernandes Graça, Ana Sofia Pádua, Jorge Carvalho Silva, Isabel Sá-Nogueira, João Paulo Borges (2023). Antibacterial Biomaterial Based on Bioglass Modified with Copper for Implants Coating . Journal of Functional Biomaterials.
Suresh Kumar Jakka, Sílvia Rodrigues Gavinho, Mehmet Bozdag, Cevriye Kalkandelen, Joana Soares Regadas, Oguzhan Gunduz, Faik Nuzhet Oktar, Manuel Pedro Fernandes Graça (2023). An Eco-Friendly Process to Extract Hydroxyapatite from Sheep Bones for Regenerative Medicine: Structural, Morphologic and Electrical Studies . Journal of Functional Biomaterials.
Suresh Kumar Jakka, Sílvia Rodrigues Gavinho, Mehmet Bozdag, Cevriye Kalkandelen, Joana Soares Regadas, Oguzhan Gunduz, Faik Nuzhet Oktar, Manuel Pedro Fernandes Graça (2023). An Eco-Friendly Process to Extract Hydroxyapatite from Sheep Bones for Regenerative Medicine: Structural, Morphologic and Electrical Studies . Journal of Functional Biomaterials.
Suresh Kumar Jakka, Imen Hammami, Sílvia Rodrigues Gavinho, Ana Sofia Pádua, Maria do Carmo Lança, João Paulo Borges, Jorge Carvalho Silva, Isabel Sá-Nogueira, Manuel Pedro Fernandes Graça (2023). Extensive Investigation on the Effect of Niobium Insertion on the Physical and Biological Properties of 45S5 Bioactive Glass for Dental Implant . International Journal of Molecular Sciences.
Suresh Kumar Jakka, Imen Hammami, Sílvia Rodrigues Gavinho, Ana Sofia Pádua, Maria do Carmo Lança, João Paulo Borges, Jorge Carvalho Silva, Isabel Sá-Nogueira, Manuel Pedro Fernandes Graça (2023). Extensive Investigation on the Effect of Niobium Insertion on the Physical and Biological Properties of 45S5 Bioactive Glass for Dental Implant . International Journal of Molecular Sciences.
Optical temperature sensing behavior of tri-doped phosphor based on thermally and non-thermally coupled levels @article {
author = {S.K. Jakka and Krishnapuram, Pavani and F. F. do Carmo and T.O. Abreu and M. P. F. Graça and R. S. da Silva and S. V. Trukhanov},
title = {Optical temperature sensing behavior of tri-doped phosphor based on thermally and non-thermally coupled levels},
year = {2023}
}.
Gavinho, S.R., Bozdag, M., Kalkandelen, C., Regadas, J.S., Jakka, S.K., Gunduz, O., Oktar, F.N., Graça, M.P.F., Gavinho, S.R., Bozdag, M., et al.(2023). An Eco-Friendly Process to Extract Hydroxyapatite from Sheep Bones for Regenerative Medicine: Structural, Morphologic and Electrical Studies . Journal of Functional Biomaterials. 14. (5).
S. K. Jakka, M. M. P. Silva, M. J. Soares, K. Pavani (2023). Exploring the potential of Eu3+ and Mn4+ activated LaAlO3 phosphors as red and far-red emitters for horticulture lighting . RSC Advances.
Hammami, I., Gavinho, S.R., Jakka, S.K., Valente, M.A., Graça, M.P.F., Pádua, A.S., Silva, J.C., Sá-Nogueira, I., Borges, J.P., Hammami, I., et al.(2023). Antibacterial Biomaterial Based on Bioglass Modified with Copper for Implants Coating . Journal of Functional Biomaterials. 14. (7).
Hammami, I., Gavinho, S.R., Pádua, A.S., Lança, M.D.C., Borges, J.P., Silva, J.C., Sá-Nogueira, I., Jakka, S.K., Graça, M.P.F., Hammami, I., et al.(2023). Extensive Investigation on the Effect of Niobium Insertion on the Physical and Biological Properties of 45S5 Bioactive Glass for Dental Implant . International Journal of Molecular Sciences. 24. (6).
Jakka, S.K., Silva, M.M.P., Soares, M.J., Pavani, K., Jakka, S.K., Silva, M.M.P., Soares, M.J., Pavani, K.(2023). Exploring the potential of Eu3+ and Mn4+ activated LaAlO3 phosphors as red and far-red emitters for horticulture lighting . Rsc Advances. 13. (45). p. 31314-31320.
Suresh Kumar Jakka, D. Pukazhselvan, Ihsan Çaha, Vanessa C.D. Graça, Laura I.V. Holz, M.J. Soares, Andrei V. Kovalevsky, Francis Leonard Deepak, Duncan Paul Fagg(2022). Catalysis of ceria incorporated magnesium hydride: A follow up study . International Journal of Hydrogen Energy. Elsevier {BV}
Thermal sensing in NIR to visible upconversion of Ho3+ and Yb3+ doped yttrium oxyfluoride phosphor <head>
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</head> . Optical Materials.
Pavani, K., Jamalaiah, B.C., Neves, A.J., Soares, M.J., Shim, J., Nagajyothi, P.C., J.B.Pinto, R., Graça, M.P.F., Jakka, S.K., Pavani, K., et al.(2022). Realization of sensible peak shift thermometry from multiple site occupied Eu3+ ions in magnetically frustrated SrGd2O4 . Journal of Materials Science. 57. (18). p. 8530-8543.
Horchani, M., Omri, A., Benali, A., Eddine, M.S., Tozri, A., Dhahri, E., Graca, M.F.P., Valente, M.A., Jakka, S.K., Costa, B.F.O., et al.(2022). Synthesis and investigation on the microstructural and electrical proprieties of Ni0.1Co0.5Cu0.4Fe2O4 ferrite prepared using sol-gel route . Journal of Solid State Chemistry. 308.
Coondoo, I., Krylov, A., Sharma, D.K., Krylova, S., Alikin, D., Kumar, J.S., Mirzorakhimov, A., Melnikova, N., Soares, M.J., Kholkin, A.L., et al.(2022). Temperature dependent structural, dielectric, Raman, piezoresponse and photoluminescence investigations in sol-gel derived BCZT ceramics . Materials Chemistry and Physics. 277.
Jakka, S.K., Soares, M.J., Graça, M.P.F., Neves, A.J., Nagajyothi, P.C., K, P., Jakka, S.K., Soares, M.J., Graça, M.P.F., Neves, A.J., et al.(2022). Thermal sensing in NIR to visible upconversion of Ho3+ and Yb3+ doped yttrium oxyfluoride phosphor . Optical Materials. 129.
Pukazhselvan, D., Çaha, I., Jakka, S.K., Graça, V.C.D., Holz, L.I.V., Soares, M.J., Kovalevsky, A.V., Deepak, F.L., Fagg, D.P., Pukazhselvan, D., et al.(2022). Catalysis of ceria incorporated magnesium hydride: A follow up study . International Journal of Hydrogen Energy. 47. (67). p. 28978-28992.
Ferreira, R., Shaikh, M., Jakka, S.K., Deuermeier, J., Barquinha, P., Ghosh, S., Fortunato, E., Martins, R., Jana, S., Ferreira, R., et al.(2022). Bandlike Transport in FaPbBr3Quantum Dot Phototransistor with High Hole Mobility and Ultrahigh Photodetectivity . Nano Letters. 22. (22). p. 9020-9026.
Pavani, K., Neves, A.J., Pinto, R.J.B., Freire, C.S.R., Soares, M.J., Graça, M.P.F., Kumar, K.U., Jakka, S.K., Pavani, K., Neves, A.J., et al.(2022). BiLaWO6: Er3+/Tm3+/Yb3+ phosphor: Study of multiple fluorescence intensity ratiometric thermometry at cryogenic temperatures . Ceramics International. 48. (21). p. 31344-31353.
Jakka Suresh Kumar, Alice Marciel, Manuel Graça, Alexandre Bastos, Luiz Pereira, Joel Borges, Filipe Vaz, Marco Peres, Sergio Magalhães, Katharina Lorenz, et al.(2021). Molybdenum Oxide Thin Films Grown on Flexible ITO-Coated PET Substrates . Materials. 14. (4). p. 821. {MDPI} {AG}
Jakka Suresh Kumar, Alice Marciel, Manuel Graça, Alexandre Bastos, Luiz Pereira, Joel Borges, Filipe Vaz, Marco Peres, Sergio Magalhães, Katharina Lorenz, et al. (2021). Molybdenum Oxide Thin Films Grown on Flexible ITO-Coated PET Substrates . Materials.
Benamara, M., Teixeira, S.S., Graça, M.P.F., Valente, M.A., Jakka, S.K., Dahman, H., Dhahri, E., Mir, L.E., Debliquy, M., Lahem, D., et al.(2021). Study of ZnO room temperature NO2 sensor under illumination prepared by auto-combustion . Applied Physics A Materials Science and Processing. 127. (9).
Coondoo, I., Panwar, N., Krylova, S., Krylov, A., Alikin, D., Jakka, S.K., Turygin, A., Shur, V.Y., Kholkin, A.L., Coondoo, I., et al.(2021). Temperature-dependent Raman spectroscopy, domain morphology and photoluminescence studies in lead-free BCZT ceramic . Ceramics International. 47. (2). p. 2828-2838.
Madan, S., Thapa, U., Tiwari, S., Tiwari, S.K., Jakka, S.K., Soares, M.J., Madan, S., Thapa, U., Tiwari, S., Tiwari, S.K., et al.(2021). Designing of a nanoscale zerovalent iron@fly ash composite as efficient and sustainable adsorbents for hexavalent chromium (Cr(VI)) from water . Environmental Science and Pollution Research. 28. (18). p. 22474-22487.
Pathinti, R.S., Gollapelli, B., Jakka, S.K., Vallamkondu, J., Pathinti, R.S., Gollapelli, B., Jakka, S.K., Vallamkondu, J.(2021). Green synthesized TiO2 nanoparticles dispersed cholesteric liquid crystal systems for enhanced optical and dielectric properties . Journal of Molecular Liquids. 336.
Pavani, K., do Nascimento, J.P.C., Jakka, S.K., do Carmo, F.F., Sales, A.J.M., Soares, M.J., Graça, M.P.F., de Aquino, F.J.A., Gouveia, D.X., Sombra, A.S.B., et al.(2021). Analogy of different optical temperature sensing techniques in LaNbO4:Er3+/Yb3+ phosphor . Journal of Luminescence. 235.
Marciel, A., Graça, M., Bastos, A., Pereira, L., Kumar, J.S., Borges, J., Vaz, F., Peres, M., Magalhães, S., Lorenz, K., et al.(2021). Molybdenum oxide thin films grown on flexible ito-coated pet substrates . Materials. 14. (4). p. 1-20.
Paiva, D.V.M., Jakka, S.K., Silva, M.A.S., do Nascimento, J.P.C., Graça, M.P.F., Sombra, A.S.B., Soares, M.J., Mazzetto, S.E., Fechine, P.B.A., Pavani, K., et al.(2021). Investigation on luminescence based optical temperature sensing behavior of Sr3MoO6:Eu3+/Tb3+ . Optik. 246.
Gavinho, S.R., Graça, M.P.F., Prezas, P.R., Kumar, J.S., Melo, B.M.G., Sales, A.J.M., Almeida, A.F., Valente, M.A., Gavinho, S.R., Graça, M.P.F., et al.(2021). Structural, thermal, morphological and dielectric investigations on 45S5 glass and glass-ceramics . Journal of Non Crystalline Solids. 562.
(2020). Sharp photoluminescence of Pr3+ ions in yttrium oxyfluoride nanospheres: Thermographic phosphor characteristics using the fluorescence intensity ratio technique . Materials Letters: X.
Suresh Kumar, J., Pavani, K., Graça, M.P.F., Soares, M.J., Suresh Kumar, J., Pavani, K., Graça, M.P.F., Soares, M.J.(2020). Sharp photoluminescence of Pr3+ ions in yttrium oxyfluoride nanospheres: Thermographic phosphor characteristics using the fluorescence intensity ratio technique . Materials Letters X. 6.
Sahu, M.K., Kaur, H., Ratnam, B.V., Kumar, J.S., Jayasimhadri, M., Sahu, M.K., Kaur, H., Ratnam, B.V., Kumar, J.S., Jayasimhadri, M.(2020). Structural and spectroscopic characteristics of thermally stable Eu3+ activated barium zinc orthophosphate phosphor for white LEDs . Ceramics International. 46. (16). p. 26410-26415.
(2019). Nontoxic glasses: Preparation, structural, electrical and biological properties . International Journal of Applied Ceramic Technology.
Gavinho, S.R., Prezas, P.R., Ramos, D.J., Sá-Nogueira, I., Borges, J.P., Lança, M.C., Silva, J.C., Henriques, C.M.R., Pires, E., Kumar, J.S., et al.(2019). Nontoxic glasses: Preparation, structural, electrical and biological properties . International Journal of Applied Ceramic Technology. 16. (5). p. 1885-1894.
Suresh Kumar J., Pavani K., S.R. Gavinho, Seshadri M., V. Anjos, M.J.V. Bell, F.N. Freire, M.A. Valente, M.J. Soares, M.P.F. Graça(2018). Temperature dependent upconversion and spectroscopic properties of Nd3+ doped barium bismuth tellurite glasses . Journal of Non-Crystalline Solids. 498. p. 89--94. Elsevier {BV}
J., S.K., Pavani, K., Gavinho, S.R., Seshadri, M., Anjos, V., Bell, M.J.V., Freire, F.N., Valente, M.A., Soares, M.J., Graça, M.P.F., et al.(2018). Temperature dependent upconversion and spectroscopic properties of Nd3+ doped barium bismuth tellurite glasses . Journal of Non Crystalline Solids. 498. p. 89-94.
Salehizadeh, S.A., Chenari, H.M., Shabani, M., Ahangar, H.A., Zamiri, R., Rebelo, A., Kumar, J.S., Graça, M.P.F., Ferreira, J.M.F., Salehizadeh, S.A., et al.(2018). Structural and impedance spectroscopy characteristics of BaCO3/BaSnO3/SnO2 nanocomposite: Observation of a non-monotonic relaxation behavior . Rsc Advances. 8. (4). p. 2100-2108.
K. Pavani, J. Suresh Kumar, K. Srikanth, M. J. Soares, E. Pereira, A. J. Neves, M. P. F. Graça (2017). Highly efficient upconversion of Er3+ in Yb3+ codoped non-cytotoxic strontium lanthanum aluminate phosphor for low temperature sensors . Scientific Reports.
Suresh Kumar Jakka, Pavani Krishnapuram, Manuel Jorge Soares, Manuel Pedro Fernandes Graça (2017). Temperature Sensing Using Upconversion in Rare Earth Doped Thermographic Phosphors . ECS Meeting Abstracts.
K. Pavani, J. Suresh Kumar, K. Srikanth, M. J. Soares, E. Pereira, A. J. Neves, M. P. F. Graça(2017). Highly efficient upconversion of Er3+ in Yb3+ codoped non-cytotoxic strontium lanthanum aluminate phosphor for low temperature sensors . Scientific Reports. 7. (1). Springer Nature
Pavani, K., Suresh Kumar, J., Srikanth, K., Soares, M.J., Pereira, E., Neves, A.J., Graça, M.P.F., Pavani, K., Suresh Kumar, J., Srikanth, K., et al.(2017). Highly efficient upconversion of Er3+ in Yb3+ codoped non-cytotoxic strontium lanthanum aluminate phosphor for low temperature sensors . Scientific Reports. 7. (1).
Mahmoudi Chenari, H., Zamiri, R., Maria Tobaldi, D., Shabani, M., Rebelo, A., Kumar, J.S., Salehizadeh, S.A., Graça, M.P.F., Soares, M.J., António Labrincha, J., et al.(2017). Nanocrystalline ZnO–SnO2 mixed metal oxide powder: microstructural study, optical properties, and photocatalytic activity . Journal of Sol Gel Science and Technology. 84. (2). p. 274-282.
Zamiri, R., Salehizadeh, S.A., Ahangar, H.A., Shabani, M., Rebelo, A., Suresh Kumar, J., Soares, M.J., Valente, M.A., Ferreira, J.M.F., Zamiri, R., et al.(2017). Optical and magnetic properties of ZnO/ZnFe2O4 nanocomposite . Materials Chemistry and Physics. 192. p. 330-338.
Devesa, S., Kumar, J.S., Graça, M.P.F., Soares, M.J., Costa, L.C., Devesa, S., Kumar, J.S., Graça, M.P.F., Soares, M.J., Costa, L.C.(2017). Photoluminescence in europium ion–substituted bismuth niobate particles . Spectroscopy Letters. 50. (5). p. 285-288.
Ashok, J., Purnachand, N., Suresh Kumar, J., Srinivasa Reddy, M., Suresh, B., Graça, M.P.F., Veeraiah, N., Ashok, J., Purnachand, N., Suresh Kumar, J., et al.(2017). Studies on dielectric dispersion, relaxation kinetics and a.c. conductivity of Na2O[sbnd]CuO[sbnd]SiO2glasses mixed with Bi2O3-Influence of redox behavior of copper ions . Journal of Alloys and Compounds. 696. p. 1260-1268.
Pavani, K., Graça, M.P.F., Kumar, J.S., Neves, A.J., Pavani, K., Graça, M.P.F., Kumar, J.S., Neves, A.J.(2017). Photoluminescence varied by selective excitation in BiGdWO6:Eu3+ phosphor . Optical Materials. 74. p. 120-127.
Pukazhselvan, D., Selvaraj, N.B., Bdikin, I., Saravanan, R.S.S., Jakka, S.K., Soares, M.J., Fagg, D.P., Pukazhselvan, D., Selvaraj, N.B., Bdikin, I., et al.(2017). Unique dielectric features of a ceramic-semiconductor nanocomposite MgNb 2 O 6 + 0.25Zn 0.5 Cd 0.5 S . Applied Surface Science. 424. p. 127-131.
Seshadri, M., Anjos, V., Bell, M.J.V., Barbosa, L.C., Bosco, G.B.F., Tessler, L.R., Suresh Kumar, J., Graça, M.P.F., Soares, M.J., Radha, M., et al.(2017). Doped tellurite glasses: Extending near-infrared emission for near-2.0-μm amplifiers . International Journal of Applied Glass Science. 8. (2). p. 216-225.
Zamiri, R., Mahmoudi Chenari, H., Moafi, H.F., Shabani, M., Salehizadeh, S.A., Rebelo, A., Kumar, J.S., Graça, M.P.F., Soares, M.J., Ferreira, J.M.F., et al.(2016). Ba-doped ZnO nanostructure: X-ray line analysis and optical properties in visible and low frequency infrared . Ceramics International. 42. (11). p. 12860-12867.
Zamiri, R., Chenari, H.M., Moafi, H.F., Shabani, M., Salehizadeh, S.A., Rebelo, A., Kumar, J.S., Graça, M.P.F., Soares, M.J., Ferreira, J.M.F., et al.(2016). Erratum: Corrigendum to ‘Ba-doped ZnO nanostructure: X-ray line analysis and optical properties in visible and low frequency infrared’ (Ceramics International (2016) 42 (12860–12867)(10.1016/j.ceramint.2016.05.051)(S0272884216306587)) . Ceramics International. 42. (14).
Durairajan, A., Suresh Kumar, J., Thangaraju, D., Valente, M.A., Moorthy Babu, S., Durairajan, A., Suresh Kumar, J., Thangaraju, D., Valente, M.A., Moorthy Babu, S.(2016). Photoluminescence properties of sub-micron NaGd1-xEux(WO4)2 red phosphor for solid state lightings application: Derived by different synthesis routes . Superlattices and Microstructures. 93. p. 308-321.
Sales, A.J.M., Sousa, D.G., Rodrigues, H.O., Costa, M.M., Sombra, A.S.B., Freire, F.N.A., Soares, M.J., Graça, M.P.F., Suresh Kumar, J., Sales, A.J.M., et al.(2016). Power dependent upconversion in Er3+/Yb3+ co-doped BiNbO4 phosphors . Ceramics International. 42. (6). p. 6899-6905.
Reddy, A.S.S., Brik, M.G., Kumar, J.S., Graça, M.P.F., Raju, G.N., Kumar, V.R., Piasecki, M., Veeraiah, N., Reddy, A.S.S., Brik, M.G., et al.(2016). Structural and electrical properties of zinc tantalum borate glass ceramic . Ceramics International. 42. (15). p. 17269-17282.
Ashok, J., Kumar, J.S., Graça, M.P.F., Soares, M.J., Reddy, M.S., Sanyal, B., Piasecki, M., Veeraiah, N., Ashok, J., Kumar, J.S., et al.(2016). Structural influence of Bi3 + ions on physical properties of Na2CuSiO4 glasses photoluminescence and thermoluminescence studies . Journal of Non Crystalline Solids. 449. p. 50-54.
Do Nascimento, J.P.C., Sales, A.J.M., Sousa, D.G., Da Silva, M.A.S., Moreira, S.G.C., Pavani, K., Soares, M.J., Graça, M.P.F., Suresh Kumar, J., Sombra, A.S.B., et al.(2016). Temperature-, power-, and concentration-dependent two and three photon upconversion in Er3+/Yb3+ co-doped lanthanum: Ortho -niobate phosphors . Rsc Advances. 6. (72). p. 68160-68169.
Suresh Kumar, J., Pavani, K., Graça, M.P.F., Soares, M.J., Suresh Kumar, J., Pavani, K., Graça, M.P.F., Soares, M.J.(2014). Enhanced green upconversion by controlled ceramization of Er 3+-Yb3+ co-doped sodium niobium tellurite glass-ceramics for low temperature sensors . Journal of Alloys and Compounds. 617. p. 108-114.
Pavani, K., Kumar, J.S., Moorthy, L.R., Pavani, K., Kumar, J.S., Moorthy, L.R.(2014). Luminescence properties of single-phase SrMg2La2W2O12:Tb3+, Sm3+, Tm3+ phosphor for multicolor-and white light-emitting LEDs . Materials Research Express. 1. (1).
Bdikin, I., Singh, B., Suresh Kumar, J., Graça, M.P.F., Balbashov, A.M., Grácio, J., Kholkin, A.L., Bdikin, I., Singh, B., Suresh Kumar, J., et al.(2014). Nanoindentation induced piezoelectricity in SrTiO3 single crystals . Scripta Materialia. 74. p. 76-79.
Pavani, K., Suresh Kumar, J., Rama Moorthy, L., Pavani, K., Suresh Kumar, J., Rama Moorthy, L.(2014). Photoluminescence properties of Tb3+ and Eu3+ ions co-doped SrMg2La2W2O12 phosphors for solid state lighting applications . Journal of Alloys and Compounds. 586. p. 722-729.
Pavani, K., Suresh Kumar, J., Rama Moorthy, L., Pavani, K., Suresh Kumar, J., Rama Moorthy, L.(2014). Effect of Tm 3+ Ions on the white light emission of Dy 3+- Tm 3+ codoped SrMg 2 la 2 W 2 O 12 phosphors . Journal of the American Ceramic Society. 97. (5). p. 1481-1488.
Kumar, J.S., Pavani, K., Venkataiah, G., Jayasimhadri, M., Graça, M.P.F., Soares, M.J., Kumar, J.S., Pavani, K., Venkataiah, G., Jayasimhadri, M., et al.(2014). Energy transfer and NIR emission in rare earth tri-doped barium lanthanum fluoro tellurite glasses . Physica Status Solidi (A) Applications and Materials Science. 211. (9). p. 2090-2093.
Kumar, J.S., Pavani, K., Graça, M.P.F., Soares, M.J., Valente, M.A., Kumar, J.S., Pavani, K., Graça, M.P.F., Soares, M.J., Valente, M.A.(2013). Enhancement of infrared emission in Er3+, Yb3+ co-doped sodium niobium tellurite nano glass-ceramics . Physica Status Solidi B Basic Research. 250. (4). p. 837-842.
Pavani, K., Rama Moorthy, L., Suresh Kumar, J., Chengaiah, T., Pavani, K., Rama Moorthy, L., Suresh Kumar, J., Chengaiah, T.(2013). Erratum: Photoluminescence characteristics of Eu2O3 doped calcium fluoroborate glasses (Journal of Molecular Structure (2012) 1028 (170-175)) . Journal of Molecular Structure. 1032. p. 212.
Pavani, K., Rama Moorthy, L., Suresh Kumar, J., Mohan Babu, A., Pavani, K., Rama Moorthy, L., Suresh Kumar, J., Mohan Babu, A.(2013). Energy transfer and luminescence properties of Tm3+ ions in calcium fluoroborate glasses for fiber amplifiers . Journal of Luminescence. 136. p. 383-388.
Krishnapuram, P., Jakka, S.K., Thummala, C., Lalapeta, R.M., Krishnapuram, P., Jakka, S.K., Thummala, C., Lalapeta, R.M.(2012). Photoluminescence characteristics of Eu2O3 doped calcium fluoroborate glasses . Journal of Molecular Structure. 1028. p. 170-175.
Suhasini, T., Jamalaiah, B.C., Chengaiah, T., Suresh Kumar, J., Rama Moorthy, L., Suhasini, T., Jamalaiah, B.C., Chengaiah, T., Suresh Kumar, J., Rama Moorthy, L.(2012). An investigation on visible luminescence of Ho 3 activated LBTAF glasses . Physica B Condensed Matter. 407. (3). p. 523-527.
Babu, A.M., Jamalaiah, B.C., Kumar, J.S., Sasikala, T., Moorthy, L.R., Babu, A.M., Jamalaiah, B.C., Kumar, J.S., Sasikala, T., Moorthy, L.R.(2011). Spectroscopic and photoluminescence properties of Dy3+-doped lead tungsten tellurite glasses for laser materials . Journal of Alloys and Compounds. 509. (2). p. 457-462.
Suresh Kumar, J., Pavani, K., Sasikala, T., Sreenivasa Rao, A., Giri, N.K., Rai, S.B., Rama Moorthy, L., Suresh Kumar, J., Pavani, K., Sasikala, T., et al.(2011). Photoluminescence and energy transfer properties of Sm3+ doped CFB glasses . Solid State Sciences. 13. (8). p. 1548-1553.
Murthy, D.V.R., Sasikala, T., Jamalaiah, B.C., Babu, A.M., Kumar, J.S., Jayasimhadri, M., Rama Moorthy, L., Murthy, D.V.R., Sasikala, T., Jamalaiah, B.C., et al.(2011). Investigation on luminescence properties of Nd3+ ions in alkaline-earth titanium phosphate glasses . Optics Communications. 284. (2). p. 603-607.
Pavani, K., Kumar, J.S., Sasikala, T., Jamalaiah, B.C., Seo, H.J., Moorthy, L.R., Pavani, K., Kumar, J.S., Sasikala, T., Jamalaiah, B.C., et al.(2011). Luminescent characteristics of Dy3+ doped strontium magnesium aluminate phosphor for white LEDs . Materials Chemistry and Physics. 129. (1-2). p. 292-295.
Suresh Kumar, J., Mohan Babu, A., Sasikala, T., Rama Moorthy, L., Suresh Kumar, J., Mohan Babu, A., Sasikala, T., Rama Moorthy, L.(2010). NIR fluorescence and visible upconversion studies of Nd3+ ions in calcium fluoroborate glasses . Chemical Physics Letters. 484. (4-6). p. 207-213.
Suresh Kumar, J., Pavani, K., Mohan Babu, A., Kumar Giri, N., Rai, S.B., Moorthy, L.R., Suresh Kumar, J., Pavani, K., Mohan Babu, A., Kumar Giri, N., et al.(2010). Fluorescence characteristics of Dy3+ ions in calcium fluoroborate glasses . Journal of Luminescence. 130. (10). p. 1916-1923.
Jamalaiah, B.C., Suresh Kumar, J., Mohan Babu, A., Sasikala, T., Rama Moorthy, L., Jamalaiah, B.C., Suresh Kumar, J., Mohan Babu, A., Sasikala, T., Rama Moorthy, L.(2009). Study on spectroscopic and fluorescence properties of Tb3+-doped LBTAF glasses . Physica B Condensed Matter. 404. (14-15). p. 2020-2024.
Suhasini, T., Suresh Kumar, J., Sasikala, T., Jang, K., Lee, H.S., Jayasimhadri, M., Jeong, J.H., Yi, S.S., Rama Moorthy, L., Suhasini, T., et al.(2009). Absorption and fluorescence properties of Sm3+ ions in fluoride containing phosphate glasses . Optical Materials. 31. (8). p. 1167-1172.
Jamalaiah, B.C., Suresh Kumar, J., Mohan Babu, A., Rama Moorthy, L., Jang, K., Lee, H.S., Jayasimhadri, M., Jeong, J.H., Choi, H., Jamalaiah, B.C., et al.(2009). Optical absorption, fluorescence and decay properties of Pr3+-doped PbO-H3BO3-TiO2-AlF3 glasses . Journal of Luminescence. 129. (9). p. 1023-1028.
Jamalaiah, B.C., Suresh Kumar, J., Mohan Babu, A., Suhasini, T., Rama Moorthy, L., Jamalaiah, B.C., Suresh Kumar, J., Mohan Babu, A., Suhasini, T., Rama Moorthy, L.(2009). Photoluminescence properties of Sm3+ in LBTAF glasses . Journal of Luminescence. 129. (4). p. 363-369.
Saleem, S.A., Jamalaiah, B.C., Kumar, J.S., Babu, A.M., Moorthy, L.R., Jayasimhadri, M., Jang, K., Lee, H.S., Yi, S.S., Jeong, J.H., et al.(2009). Optical absorption and near infrared emission properties of Nd3+ ions in alkali lead tellurofluoroborate glasses . Solid State Sciences. 11. (12). p. 2093-2098.
Jamalaiah, B.C., Kumar, J.S., Babu, A.M., Jamalaiah, B.C., Moorthy, L.R., Kumar, J.S., Babu, A.M., Moorthy, L.R.(2009). Spectroscopic studies of Eu3+ ions in LBTAF glasses . Journal of Alloys and Compounds. 478. (1-2). p. 63-67.
Jamalaiah, B.C., Kumar, J.S., Suhasini, T., Jang, K., Lee, H.S., Choi, H., Rama Moorthy, L., Jamalaiah, B.C., Kumar, J.S., Suhasini, T., et al.(2009). Visible luminescence characteristics of Dy3+-doped LBTAF glasses . Journal of Alloys and Compounds. 474. (1-2). p. 382-387.
Uma Maheswari, D., Suresh Kumar, J., Moorthy, L.R., Jang, K., Jayasimhadri, M., Uma Maheswari, D., Suresh Kumar, J., Moorthy, L.R., Jang, K., Jayasimhadri, M.(2008). Emission properties of Eu3+ ions in alkali tellurofluorophosphate glasses . Physica B Condensed Matter. 403. (10-11). p. 1690-1694.
BOOK
Jakka, S.K., Krishnapuram, P., Jakka, S.K., Krishnapuram, P., Graça, M.P.F., Graça, M.P.F.(2025). Preface . Springer Proceedings in Physics. 422 SPPHY. p. v-vi.
ICOSIMS-2023 Abstract series @book {
author = {K. Pavani and J. Suresh Kumar and Graça, Manuel Pedro Fernandes},
title = {ICOSIMS-2023 Abstract series},
year = {2024}
}.
PREPRINT
Suresh Kumar Jakka, Imen Hammami, Manuel Graça, Silvia Gavinho, João Paulo Borges, Jorge Carvalho Silva, Luís Cadillon Costa (2024). Exploring the Impact of Copper Oxide Substitution on Structure, Morphology, Bioactivity, and Electrical Properties of 45S5 Bioglass .
BOOK CHAPTER
Pavani, K., Kumar, J.S., Kumar, K.U., Pavani, K., Kumar, J.S., Kumar, K.U.(2024). Novel luminescent transparent ceramics for light emitting devices . Luminescent Ceramics Fundamentals Properties Processing and Applications. p. 265-283.
Krishnapuram, P., Choudhary, J., Kagola, U.K., Jakka, S.K., Krishnapuram, P., Choudhary, J., Kagola, U.K., Jakka, S.K.(2024). Photocatalytic and sensing properties of rare-earth doped tungstate upconverting host materials . Upconversion Nanocrystals for Sustainable Technology. p. 179-204.
Jakka, S.K., Kagola, U.K., Pavani, K., Jakka, S.K., Kagola, U.K., Pavani, K.(2023). Phenomenology of Emission Color Tunability in Upconversion Nanoparticles . Progress in Optical Science and Photonics. 24. p. 47-72.
Phenomenology of Emission Color Tunability in Upconversion Nanoparticles @inbook {
author = {Jakka, Suresh Kumar and Kagola, Upendra Kumar and Pavani, K.},
title = {Phenomenology of Emission Color Tunability in Upconversion Nanoparticles},
pages = {47--72},
publisher = {Springer Nature Singapore},
year = {2023},
url = {https://doi.org/10.1007/978-981-99-3913-8_3},
doi = {10.1007/978-981-99-3913-8_3}
} . Upconversion Nanoparticles (UCNPs) for Functional Applications.
Photoluminescent nanomaterials for cardiovascular diagnosis and therapeutics @inbook {
author = {S.K. Jakka and Sílvia Rodrigues Gavinho and Krishnapuram, Pavani and Ujjawal Sharma and Vallamkondu, Jayalakshmi and Manuel Pedro Fernandes Graça},
editor = {Prof. Roger Narayan and Tanveer},
title = {Photoluminescent nanomaterials for cardiovascular diagnosis and therapeutics},
publisher = { Royal Society of Chemistry},
year = {2023}
}. Cardiovascular Nanomedicine.
Pavani, K., Kagola, U.K., Jakka, S.K., Pavani, K., Kagola, U.K., Jakka, S.K.(2023). White Light Emitting Upconversion Nanomaterials . Progress in Optical Science and Photonics. 24. p. 221-244.
PHYSICAL OBJECT
J. Suresh Kumar, Krishnapuram, Pavani, Manuel Pedro Fernandes Graça, J. Suresh Kumar, Krishnapuram, Pavani, Manuel Pedro Fernandes Graça (2023). Research service to RiverD International B.V., The Netherlands.
CONFERENCE POSTER
Realization of multiple sites and the effect of geometrical frustration in SrGd2O4 through low temperature photoluminescence of Eu3+ ions @misc {
author = {K. Pavani and S.K. Jakka},
title = {Realization of multiple sites and the effect of geometrical frustration in SrGd2O4 through low temperature photoluminescence of Eu3+ ions},
year = {2019},
month = {apr}
}. Materiais2019.
Fabrication of the bioglass with antibacterial properties for implant coatings @misc {
author = {S.R. Gavinho and P.R. Prezas and D. J. Ramos and Isabel-Sá Nogueira and J.P. Borges and M.C. Lança and J.C. Silva and et al.},
title = {Fabrication of the bioglass with antibacterial properties for implant coatings},
year = {2019},
month = {apr}
}. Materiais2019, XIX Congresso da Sociedade Portuguesa de Materiais e X International Symposium on Materials.
Silver effect on the antibacterial response of bioglass @misc {
author = {S.R. Gavinho and P.R. Prezas and J.P. Borges and J.C. Silva and C.M.R. Henriques and E. Pires and J. Suresh Kumar and M.J. Soares and M.P.F. Graça},
title = {Silver effect on the antibacterial response of bioglass},
year = {2018},
month = {nov}
}. CNME2018 & TEMM2018 – 11th National Congress of Experimental Mechanics in conjunction with 1st Iberic Conference on Theorical and Experimental Mechanics and Materials.
Extended NIR emission using rare earth tri-doped barium lanthanum fluorotellurite glasses for fiber amplifiers @misc {
author = {S.K. Jakka and K. Pavani},
title = {Extended NIR emission using rare earth tri-doped barium lanthanum fluorotellurite glasses for fiber amplifiers},
year = {2014},
month = {may}
}. Second International Conference on Applications of Optics and Photonics (AOP2014).
Preparation, structural and photoluminescence characterisation of Eu3+ doped bismuth gadolinium tungstate phosphors @misc {
author = {K. Pavani and Neves, A.J. and M.J. Soares and Graca, M.P.F. and S.K. Jakka},
title = {Preparation, structural and photoluminescence characterisation of Eu3+ doped bismuth gadolinium tungstate phosphors},
year = {2014},
month = {may}
}. E-MRS 2014 Spring Meeting.
Enhancement of green upconversion by controlled ceramization of Er3+-Yb3+ co-doped sodium niobium tellurite nano glass-ceramics @misc {
author = {S.K. Jakka and K. Pavani},
title = {Enhancement of green upconversion by controlled ceramization of Er3+-Yb3+ co-doped sodium niobium tellurite nano glass-ceramics},
year = {2013},
month = {may}
}. E-MRS 2013 SPRING MEETING.
Effect of addition of Tm3+ ions on white light emission of Dy3+-doped SrMg2La2W2O12 phosophor @misc {
author = {K. Pavani and S.K. Jakka and L. Ramamurthy},
title = {Effect of addition of Tm3+ ions on white light emission of Dy3+-doped SrMg2La2W2O12 phosophor},
year = {2012},
month = {aug}
}. National conference on Condensed Matter Physics (CMDAYS).
Spectroscopic properties of Tb3+ ions in sodium fluoroborate glasses @misc {
author = {S.K. Jakka and K. Pavani and Sasikala, T. and Moorthy, L. Rama},
title = {Spectroscopic properties of Tb3+ ions in sodium fluoroborate glasses},
year = {2010},
month = {dec}
}. International Conference on Multifunctional Materials (ICMM-2010).
Emission characteristics of Nd3+ doped CFB glasses @misc {
author = {S.K. Jakka and K. Umamaheswari and K. Pavani and L. Ramamurthy},
title = {Emission characteristics of Nd3+ doped CFB glasses},
year = {2010},
month = {jun}
}. 17th International conference on Dynamical Processes in Excited states of Solids (DPC¿10).
Fluorescence properties of Sm3+ ions in CFB glasses @misc {
author = {S.K. Jakka and K. Pavani and K. Umamaheswari},
title = {Fluorescence properties of Sm3+ ions in CFB glasses},
year = {2010},
month = {jan}
}. National Conference on Materials for Energy Storage and Conversion.
Work entitled ''Optical and Luminescence properties of Nd3+ ion in SFB glasses'' as Poster @misc {
author = {K. Pavani and S.K. Jakka and Moorthy, L. Rama},
title = {Work entitled ''Optical and Luminescence properties of Nd3+ ion in SFB glasses'' as Poster},
year = {2009},
month = {feb}
}. National Seminar on Photonic Materials (NSPM).
CONFERENCE PAPER
Prezas, P.R., Graça, M.P.F., Soares, M.J., Suresh Kumar, J., Prezas, P.R., Graça, M.P.F., Soares, M.J., Suresh Kumar, J.(2015). Optical and structural properties of (70-x-y)TeO 2 -20WO 3 -10Y 2 O 3 -xEr2O3-yYb 2 O 3 glasses . Applied Surface Science. 336. p. 28-33.
Prezas, P.R., Kumar, J.S., Graça, M.P.F., Soares, M.J., Prezas, P.R., Kumar, J.S., Graça, M.P.F., Soares, M.J.(2014). Raman studies of tungsten yttrium tellurite glasses as high and broad gain media . Proceedings of SPIE - The International Society for Optical Engineering. 9286.
Kumar, J.S., Pavani, K., Chengaiah, T., Graca, M.P.F., Soares, M.J., Moorthy, L.R., Kumar, J.S., Pavani, K., Chengaiah, T., Graca, M.P.F., et al.(2012). Er 3+ doped calcium fluoroborate glasses for fiber amplifiers . Proceedings of 2012 21st IEEE Int Symp on Applications of Ferroelectrics Held Jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE Pfm Isaf Ecapd Pfm 2012.
Mohan Babu, A., Suresh Kumar, J., Jamalaiah, B.C., Giri, N.K., Rai, S.B., Rama Moorthy, L., Mohan Babu, A., Suresh Kumar, J., Jamalaiah, B.C., Giri, N.K., et al.(2011). Role of Yb3+ ions in the IR to visible upconversion of Er 3+ ions in LTT glasses . Proceedings of SPIE the International Society for Optical Engineering. 7940.
Suresh Kumar, J., Pavani, K., Sasikala, T., Jayasimhadri, M., Jang, K., Rama Moorthy, L., Suresh Kumar, J., Pavani, K., Sasikala, T., Jayasimhadri, M., et al.(2011). Concentration dependent luminescence characteristics of 5D 4 and 5D3 excited states of Tb3+ ions in CFB glasses . Proceedings of SPIE the International Society for Optical Engineering. 7940.
Kumar, J.S., Pavani, K., Sasikala, T., Jamalaiah, B.C., Jayasimhadri, M., Jang, K., Moorthy, L.R., Kumar, J.S., Pavani, K., Sasikala, T., et al.(2010). Fluorescence properties of Pr3+ doped calcium fluoroborate glasses . Advanced Materials Research. 123-125. p. 1235-1238.
Saleem, S.A., Jamalaiah, B.C., Jang, K., Jayasimhadri, M., Mohan Babu, A., Suresh Kumar, J., Rama Moorthy, L., Saleem, S.A., Jamalaiah, B.C., Jang, K., et al.(2009). Sm3+ luminescence in alkali lead tellurofluoroborate glasses . Iop Conference Series Materials Science and Engineering. 2.
Moorthy, D.V.R., Jayasimhadri, M., Jang, K., Kumar, J.S., Babu, A.M., Moorthy, L.R., Moorthy, D.V.R., Jayasimhadri, M., Jang, K., Kumar, J.S., et al.(2009). Spectroscopic characteristics of Sm3+ doped alkaline earth potassium titanium phosphate glasses . Indian Journal of Engineering and Materials Sciences. 16. (3). p. 193-196.
Uma Maheswari, D., Suresh Kumar, J., Sasikala, T., Mohan Babu, A., Pavani, K., Jang, K., Rama Moorthy, L., Uma Maheswari, D., Suresh Kumar, J., Sasikala, T., et al.(2009). Optical absorption and fluorescence properties of Dy3+: SFB glasses . Iop Conference Series Materials Science and Engineering. 2.
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