Research Publications Since 2016

 Research Publications 

LIST OF PUBLICATIONS ELSEVIER (S C I Journals)

 

1.      Valluri Ravi kumar, G. Giridhar and N. Veeraiah  “Influence of modifier oxide on emission features of Dy³⁺ ion in Pb₃O₄‒ZnO‒P₂O₅ glasses” Optical Materials 60 (2016) 594-600 ( Elsevier Journal , Thomson & Reuters  Impact Factor :  2.779)

 

2.      Valluri Ravi Kumar, G. Giridhar, V. Sudarsan and N. Veeraiah  “Influence of red lead on the intensity of green and orange emissions of Sm³⁺ and Ho³⁺ co-doped ZnO‒SrO‒P2O5 glass system” Journal of Alloys and Compounds 695 (2017) 668-681. (Elsevier, Thomson & Reuters  Impact Factor :  4.175)

 

3.      Valluri Ravi kumar, G. Giridhar, V. Ravi Kumar, C.K. Jayasankar, and N. Veeraiah “The energy transfer efficiency from Yb³⁺ to Nd³⁺ in SrO‒Pb₃O₄‒ ZnO‒P₂O₅ glass system-Influence of lead ions”  Journal of Luminescence 187 (2017)281–289  (Elsevier, Thomson & Reuters  Impact Factor :  2.961)

 

4.      Valluri Ravi Kumar, G. Giridhara and N. Veeraiah “ Concentration dependence of luminescence efficiency of Dy³⁺ ions in strontium zinc phosphate glasses mixed with Pb₃O₄”  Luminescence: The Journal of Biological and Chemical Luminescence, 32 (2017) 71–77 (Wiley Journal, Thomson & Reuters  Impact Factor :  1.691)

 

5.      K.Srinivasa Rao, Valluri Ravi Kumar, Ya. Zhydachevskii,  A. Suchocki, M. Piasecki, Y.Gandhi, V. Ravi Kumar, N. Veeraiah, “Luminescence emission features of Nd³⁺ ions in PbO‒Sb₂O₃ glasses mixed with Sc₂O₃/Y₂O₃/HfO₂”    Optical Materials  69 (2017) 181–189 (Elsevier, Thomson & Reuters  Impact Factor :  2.779)

 

6.      G. Chinna Ram, T. Narendrudu, S. Suresh, A. Suneel Kumar, M.V. Sambasiva Rao, V. Ravi Kumar, D. Krishna Rao “Investigation of luminescence and laser transition of Dy³⁺ ion in P₂O₅-PbO -Bi₂O₃-R₂O₃  (R = Al, Ga, In) glasses” Optical Materials 66 (2017) 189-196.( Elsevier, Thomson & Reuters  Impact Factor :  2.779)

 

7.      K. Srinivasa Rao, Valluri Ravi Kumar, Yaroslav Zhydachevskii, Andrzej Suchocki, Michal Piasecki, G. Naga Raju, V. Ravi Kumar, N. Veeraiah “Influence of some non-conventional rare earth metal oxides on orange emission of Er³⁺ ions in PbO-Sb₂O₃ glasses”  Journal of Luminescence 192 (2017) 443-451. (Elsevier, Thomson & Reuters  Impact Factor :  2.693)

 

8.      P. Sobhanachalam, V. Ravi Kumar, B.V. Raghavaiah, Valluri Ravi Kumar, G. Sahaya Baskaran, Y. Gandhi, P. Syam Prasad, N. Veeraiah “In vitro investigations on CoO doped CaF₂ -CaO - B₂O₃- P₂O₅−MO bioactive glasses by means of spectroscopic studies” Optical Materials  73 (2017) 628 - 637 (Elsevier, Thomson & Reuters  Impact Factor :  2.779)

 

9.      P. Sudhakar, V. Ravi Kumar, Valluri Ravi Kumar, N. Purnachand,  A. Siva Sesha Reddy, N. Veeraiah, “Violet-blue emission characteristics of Pr³⁺ co-doped  with Ti⁴⁺ ions in lead arsenate glass system” Journal of Luminescence 199 (2018) 416-422 (Elsevier, Thomson & Reuters  Impact Factor :  2.693)

 

10.  G. Naga Raju,  P. Venkateswara Rao,  Valluri Ravi Kumar, Ch. Chandrakala, J. Ashok “Study on the influence of TiO₂ on the characteristics of multi component modifier oxide based B₂O₃ glass system” Journal of Non Crystalline Solids, 498 (2018) 309-314. (Elsevier, Thomson & Reuters  Impact Factor :  2.124)

 

11.  A. Ashirvadam, Valluri Ravi Kumar and G. Naga Raju “Influence of modifier oxide on emission features of Sm³⁺ ion in lithium antimonate glasses” (Elsevier , Materials Today Proceedings) 5 (2018) 26191–26198. Impact Factor: 0.837

 

12.  Valluri Ravi Kumar, G. Naga Raju, M. Vidya Elizabeth and D. Udaya Keerthi “Spectroscopic properties of  Dy³⁺ ions in PbO-Sb₂O₃ glasses mixed with MgO/CaO/SrO” 5 (2018) 26372-26379 (Elsevier Materials Today Proceedings)  5(2018) 26372-26379. Impact Factor: 0.837

 

13.  K.Srinivasa Rao, Valluri Ravi Kumar, G. Naga Raju and A. Subba Rao “Influence of alkaline earth modifiers on luminescence characteristics of Dy³⁺ ions in lead zinc antimonate glasses”  IJERA (International Journal of Engineering Research and Applications)  (Impact Factor :  5.169)  8 (2018) 07-12. ISSN: 2248-9622.

 

14.  Valluri Ravi Kumar, K. Srinivasa Rao, V. Ravi Kumar, G. Naga Raju, “Structural influence of yttria, scandia and hafnia on emission features of samarium ions in lead antimonate glass system” Optical Materials 95 (2019) 109200. (Elsevier, Thomson & Reuters  Impact Factor :  2.779)

 

15.  Valluri Ravi Kumar, G. Nagaraju, A. Asirvadam, A. Siva Sesha Reddy, J. Ashok “Spectroscopic properties of  Nd³⁺ doped PbO–Sb₂O₃–CaO/MgO/SrO glasses” 19 (2019) 2663-2667. Materials Today Proceedings, (Elsevier, Thomson & Reuters  Impact Factor :  0.837)

 

16.  A. Venkata Sekhar,  L. Pavic,  A. MogušMilanković, Valluri Ravi Kumar,  G. Naga Raju, N. Veeraiah, “Dielectric dispersion and conductivity spectra of  NiO doped Li₂SO₄‒MgO‒P₂O₅ glass system” Journal of Alloys and Compounds

824 (2020) 153907. (Elsevier, Thomson & Reuters Impact Factor:  4.650)

 

17.  Ch. Chandrakala, A. Siva Sesha Reddy, J. Jedryka, Valluri Ravi Kumar, G. Naga Raju, N. Venkatramaiah, V. Ravi Kumar, G. Lakshminarayana, N. Veeraiah, Third‑order nonlinear optical features of zirconia‑added lead silicate glass ceramics embedded with Pb₂Fe₂O₅ perovskite crystal phases and role of Fe ions, APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 126 (2020) 413 doi.org/10.1007/s00339-020-03570-x. (Sringer, Thomson & Reuters Impact Factor: 1.870 )

 

18.  A. Siva Sesha Reddy, G. Lakshminarayana, N. Purnachand, Valluri Ravi Kumar, N. Venkatramaiah, V. Ravi Kumar, N. Veeraiah, “Influence of gold ions on visible and NIR luminescence features of Er³⁺ ions in lead boroselenate glass ceramics”, Journal of Luminescence 226 (2020) 117481, doi: 10.1016/j.jlumin.2020.117481.  (Elsevier, Thomson & Reuters Impact Factor: 3.280 )

 

19.  A. Venkata Sekhar, A. Ingram, Valluri Ravi Kumar, M. Kostrzewa, A. Siva Sesha Reddy, G. Naga Raju, V. Ravi Kumar, N. Veeraiah, “Influence of nickel ion concentration on the free volume defects entrenche in an alkali sulphophosphate glass system by means of positron annihilation characterization technique”, Journal of Non-Crystalline Solids 547 (2020) 120315. (Elsevier, Thomson & Reuters Impact Factor: 2.929 )

 

20.  A. Venkata Sekhar, M. Kostrzewa, Valluri Ravi Kumar, A. Ingram, A. Siva Sesha Reddy, G. Naga Raju, V. Ravi Kumar, N. Veeraiah,  Estimation of concentration of nanosized voids ingrained in CuO doped lithium sulfophosphate amorphous system using positron annihilation spectroscopy, Optical Materials 109 (2020) 110314. doi.org/10.1016/j.optmat.2020.110314,  (Elsevier, Thomson & Reuters Impact Factor: 2.779 )

 

21.  K. Srinivasa Rao, A. Subba Rao, Valluri Ravi Kmar, B. Naveen Kumar Reddy, “Fluorescence features of Sm³⁺ ions in P₂O₅–B₂O₃–Pb₃O₄ glass systems”, Compliance Engineering Journal,  ISSN NO: 0898-357, 11 (2020) 466 – 484. (UGC Care / Scopus, Impact Factor: 2.183)

 

22.  Valluri Ravi Kumar, N. Purnachand, B. Naveen Kumar Reddy, V. Ravi Kumar, B.V. Ragavaiah, “NIR luminescence features of Nd³⁺ ion in exotic lithium antimonite glass system for applications in telecommunications, Physica B-Physics of Condensed Matter 600 (2021) 412519. (Elsevier, Thomson & Reuters Impact Factor: 1.902 )

 

23.  Pathuri Naresh, M. Kostrzewa, M.G. Brik, N. Venkatramaiah, Valluri Ravi Kumar, N. Krishna Mohan, V. Ravi Kumar, M. Piasecki, N. Veeraiah,  Emission features of Er³⁺ ions in an exotic SeO₂ based glass system”  Journal of Non-Crystalline solids (2020) 120558 doi.: 10.1016/j.jnoncrysol.2020.120558    (Elsevier, Thomson & Reuters Impact Factor: )

 

24.  P. Naresh, Valluri Ravi Kumar, A. SivaSesha Reddy, M. Kostrzewa, N. Venkatramaiah, N. Krishna Mohan, V. Ravi Kumar, N.Veeraiah, Studies on near infrared emission of Yb³⁺ ions in a SeO₂ based glass system, Physica B (2021) 412827, doi.: 10.1016/j.physb.2021.412827.

25.  Valluri Ravi Kumar, A. Ashirvadam, P. Naresh, G. Naga Raju, M. V. Ramachandra Rao, B. Naveen Kumar Reddy, G. Sahaya Baskaran, Spectroscopic properties of P₂O₅‒MgO‒Na₂O:Dy₂O₃ glasses for the applications of W-LEDs Optical Materials 121 (2021) 111590. (Elsevier, Thomson & Reuters Impact Factor: 3.08 )

26. A. Asirvadam, Valluri Ravi Kumar*, M. Nagarjuna, G. Naga Raju**, P. Syam Prasad,
G. Sahaya Baskaran, V. Ravi Kumar, P. Venkateswara Rao, “Optical and luminescence properties of Er³⁺ doped Sb₂O₃–Li₂O‒MO (M=Mg, Ca and Sr) glasses” Optical Materials 128 (2022) 112422,  (Elsevier, Thomson & Reuters Impact Factor: 3.08 ). doi.org/10.1016/j.optmat.2022.112422

27. 1.      A. Asirvadam, Valluri Ravi Kumar, B. Naveen kumar Reddy, G. Naga Raju, P. Syam Prasad, P.VenkateswaraRao, Spectroscopic properties of Nd³⁺ ions in Li₂O–MO (M=Mg, Ca and Sr)–Sb₂O₃ glasses, Optik - International Journal for Light and Electron Optics 264 (2022) 169405.  (Elsevier, Thomson & Reuters Impact Factor: 2.443). doi.org/10.1016/j.ijleo.2022.169405.

28.  A.SivaSesha Reddy, M. Kostrzewa, Valluri Ravi Kumar, A. Ingram,  N.Venkatramaiah, G. SahayaBaskaran, V. Ravi Kumar, N. Veeraiah, Influence of nano-sized defects on PL efficiency of Er³⁺ ions co-doped with Au₂O₃ in lead boroselenate glass ceramic system- A novel approach using PAL spectroscopy, Luminescence, 37 (2022) 1776-1784. (SCI: Wiley Thomson & ReutersImpact Factor: 2.613). doi: 10.1002/bio.4357.

29. 1.      P. PavaniKoteswari Devi, Valluri Ravi Kumar, A. VenkataSekhar, A. Siva Sesha Reddy, N. Venkatramaiah, V. Ravi Kumar, N. Veeraiah,  Luminescence efficiency of Sm³⁺ ions in hafnia added lithium silicate glass system-the impact of Au⁰ particles, Journal of Non-Crystalline solids, 596 (2022) 121863  (Elsevier, Thomson & Reuters Impact Factor: 4.458). doi:10.1016/j.jnoncrysol.2022.121863.