Prof. B.Sudhakar Reddy M.Sc., M.Phil., Ph.D. FRSC,FNESA

Scopus Publications

Alkali and mixed alkali effect: Emission analysis of RE3+(RE=Nd or Er): B2O3-P2O5-WO3-ZnO glasses for tunable laser and optical fiber applications
J. Santhosh Vijitha, S. Hajira, P. Aruna, B. Rajeswari, U. Rambabu, K.A. Jamal Basha, B. Sudhakar Reddy
Next Materials, 2026
B 2 O 3 -P 2 O 5 -WO 3 -ZnO glasses doped with trivalent rare-earth ions (Nd 3+ and Er 3+ ) were prepared using the conventional melt-quenching technique. Physical quantities are computed for the prepared glasses. XRD analysis confirmed the non-crystalline nature of the prepared glasses. The elemental composition of the glasses was examined using EDAX spectroscopy. Functional groups that are present in the glass network were studied through FTIR and Raman spectral analyses and the resolution of the FTIR spectra was improved using a deconvolution method. Optical absorption spectra of the Nd 3+ and Er 3+ ions doped glasses were analyzed and by applying Judd-Ofelt theory, the optical properties and radiative properties of Nd 3+ and Er 3+ ions doped glasses were studied systematically. Nd 3+ -doped glasses exhibited a strong NIR emission band at 1063 nm ( 4 F 3/2 → 4 I 11/2 ) with an excitation source Ar + laser (λ exc = 514.5 nm), while the Er 3+ -doped glasses exhibits an NIR emission band at 1541 nm ( 4 I 13/2 → 4 I 15/2 ) with Ar + ion laser source. The luminescence decay curves show good agreement with the exponential fit. The energy transfer mechanisms of Nd 3+ and Er 3+ doped glasses were analyzed by energy level diagrams. Mixed-alkali effects on the photoluminescence properties of Nd 3+ and Er 3+ ions doped glass systems were investigated for laser and optical amplifier applications.
Judd-Ofelt theory and optical analysis of RE3+(RE = Sm & Dy): B2O3-P2O5-WO3-Li2O-(ZnO/CdO/TeO2) glasses
P. Aruna, S. Sailaja, B. Sudhakar Reddy
Physica B Condensed Matter, 2026
Physical, structural, elemental and optical properties of Er3+ and Nd3+ ions doped cadmium aluminium fluoro lead borate glasses
B. Suneetha, S. Hajira, P. Aruna, G. Moulika, J. Santhosh Vijitha, C. Nageswara Raju, P. Narayana Reddy, B. Sudhakar Reddy
Indian Journal of Physics, 2026
Optical analysis of RE3+ (RE = Pr, Tm): MgLa2V2O9 phosphors
S. Hajira, P. Aruna, C. Balanarayana, B. Sudhakar Reddy
Discover Materials, 2025
This paper reports on the synthesis of RE 3+ (RE = Pr, Tm): MgLa 2 V 2 O 9 powder phosphors using the conventional solid-state reaction method. XRD analysis confirms the monoclinic crystalline nature of the synthesized phosphors. SEM images reveals the agglomerated nature of the particles. EDAX analysis confirms the presence of elements in the prepared phosphors. FTIR spectroscopy was employed to investigate the functional groups of the prepared phosphors. Photoluminescence spectra (PL) shows an orange-red emission for Pr 3+ at 607 nm ( 1 D 2 → 3 H 4 ) for an excitation at 488 nm and for Tm 3+ a blue emission corresponding to 452 nm ( 1 D 4 → 3 F 4 ) with an excitation of 359 nm. Decay curves were recorded to evaluate the emission life-time of Pr 3+ and Tm 3+ : MgLa 2 V 2 O 9 powder phosphors and the emission mechanism was explained in terms of energy level diagram. The richness of orange-red and blue color has been verified by (x, y) chromaticity coordinates of CIE diagram.
A Comparative Study of Photoluminescence Properties of RE3+ (RE = Eu3+, Tb3+, Sm3+, or Dy3+): (MgCa)2Bi4Ti5O20 Powder Ceramics
S. Sailaja, Papori Seal, E. Nirmala Devi, K. Devaki Devi, B. Sudhakar Reddy
Physics of the Solid State, 2025
Abstract Synthesis of (MgCa)2Bi4Ti5O20 powder ceramics activated with (0.2 mol %) Eu3+, Tb3+, Sm3+, and Dy3+ ions was achieved via solid-state reaction method and aimed to investigate the optical properties comparatively. Notably, the emission spectra revealed distinct characteristics for each dopant. Eu3+ shows prominent emission band at 615 nm on excitation at 393 nm, while an excitation at 376 nm in Tb3+ exhibited green emission at 542 nm. Similarly, Sm3+ displayed intense reddish-orange emission at 599 nm with an excited wavelength at 405 nm, and Dy3+ emitted yellow light at 583 nm with an excitation wavelength of 426 nm. These findings emphasized significant luminescent performance of the rare earth ion-doped (MgCa)2Bi4Ti5O20 ceramic host. Among these rare earth ions, Sm3+:(MgCa)2Bi4Ti5O20 ceramic powder has shown strong luminescence intensity with its characteristics and energy band structure. Furthermore, structural and morphological analyses have been carried out by using XRD, SEM, and EDAX techniques, providing comprehensive insights into the characteristics of the ceramic powders.
Optical analysis of Eu3+ and Tb3+: B2O3-P2O5-WO3-Li2O-(ZnO/CdO/TeO2) glasses
Perla Aruna, Shaik Hajira, Mandli Venkata Ramanaiah, Vadlathala Sahadeva Reddy, Konda Nagamuni Reddy, Busireddy Sudhakar Reddy
Next Materials, 2025
Optical analysis of (70-X) B 2 O 3 -10P 2 O 5 -5WO 3 -10Li 2 O-5(ZnO/CdO/TeO 2 )-X (Eu 2 O 3 , Tb 4 O 7 ) here X = (0.25, 0.5, 1.0, 1.5 and 2.0 mol%) glasses have been reported. Due to homogeneous distribution of Eu 3+ and Tb 3+ ions, TeO 2 glass found to emit intense red and green colour emission among the ZnO, CdO and TeO 2 glasses, the reason for this prominent emission has been discussed. Amorphous nature of the prepared glasses was investigated using XRD analysis. The elemental analysis for confirming compositional homogeneity was confirmed by SEM and EDAX analysis. Functional and bonding groups were identified by FT-IR spectral analysis. The Vis-NIR absorption spectra of Eu 3+ : BPWLTe glasses have revealed five absorption bands at 393, 464, 531, 2098 & 2199 nm corresponding to the transitions 7 F 0 → 5 L 6 , 5 D 2 , 5 D 1 , 7 F 6 & 7 F 6 and Tb 3+ : BPWLTe glasses consist of three absorption bands at 485, 1944 & 2201 nm related to the transitions 7 F 6 → 5 D 4 , 7 F 1 & 7 F 3 respectively. The Judd-Ofelt intensity parameters (Ω 2 , Ω 4 & Ω 6 ) were evaluated by using absorption bands. The experimental oscillator strengths were calculated by adopting method of least square fitting. A brilliant red emission was observed at 615 nm ( 5 D 0 → 7 F 2 ) due to excitation at 394 nm and green emission at 547 nm ( 5 D 4 → 7 F 5 ) having an excitation at 378 nm. CIE chromaticity diagram also reports the bright red and green emission of the prepared glasses. The emission mechanism was explained by using energy level diagram.
Optical analysis of RE3+ (RE = Eu,Tb):MgLa2V2O9 nano-phosphors
Shaik Hajira, Jillela Santhosh Vijitha, Sanjay Janrao Dhoble, Borelli Deva Prasad Raju, Busireddy Sudhakar Reddy
Luminescence, 2024
Red and green rare‐earth ion (RE3+) (RE = Eu, Tb):MgLa2V2O9 micro‐powder phosphors were produced utilizing a standard solid‐state chemical process. The X‐ray diffraction examination performed on the phosphors showed that they were crystalline and had a monoclinic structure. The particles grouped together, as shown in the scanning electron microscopy (SEM) images. Powder phosphors were examined using a variety of spectroscopic techniques, including photoluminescence (PL), Fourier‐transform infrared, and energy dispersive X‐ray spectroscopy. Brilliant red emission at 615 nm (5D0 → 7F2) having an excitation wavelength (λexci) of 396 nm (7F0 → 5L6) and green emission at 545 nm (5D4 → 7F5) having an λexci = 316 nm (5D4 → 7F2) have both been seen in the emission spectra of Tb3+:MgLa2V2O9 nano‐phosphors. The emission mechanism that is raised in Eu3+:MgLa2V2O9 and Tb3+:MgLa2V2O9 powder phosphors has been explained in an energy level diagram.
Alkali and mixed alkali effect: Spectral investigations on Sm3+ and Dy3+ ions doped zinc tungstate borophosphate glasses
J. Santhosh Vijitha, S. Hajira, V. Saleem Basha, M. Venkata Ramanaiah, M. Bhushana Reddy, B. Sudhakar Reddy
Ferroelectrics, 2024
In this study, we provide the spectra data of borophosphate zinc tungstate glasses doped with Sm3+or Dy3+ ions based on alkali and mixed alkali oxides. In order to describe the spectroscopic properties of the manufactured Sm3+ and Dy3+ glasses, we used XRD, EDAX, FT-IR, FT-Raman, Absorption, and PL Spectra. The amorphous nature of glass has been studied by looking at its X-ray diffraction data. Glasses that have been doped with Sm3+ and Dy3+ ions have been shown to exhibit significant absorption bands at 401 nm in the Vis-NIR range, as well as three weak bands at 360, 373, and 473 nm, and bands centered at roughly 1079, 1216, 1363, and 1455 nm in the NIR area. Multiple absorption bands at various wavelengths, from 796 nm to 1667 nm, are present in both series C and D glasses. After being excited at 402 nm, the emission spectra of Sm3+ doped glasses show three emission transitions at 562, 598, and 645 nm. The transition at 598 nm has been proven to produce brilliant orange-red light. Excitation at 350 nm in the emission spectra of Dy3+ doped glasses causes three emission transitions to occur at 482, 574, and 664 nm. The 574 nm emission band offers the clearest evidence of yellow emission. Energy level diagrams have been used to describe the emission process that occurs in these glasses.
Optical analysis of RE3+ (re = Sm, Dy): MgLa2V2O9 phosphors
S. Hajira, J. Santhosh Vijitha, Sudhakara Rao Hari, K. A. Jamal Basha, V. Adinarayana, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2024
In this work, we have prepared the RE3+(Sm, Dy): MgLa2V2O9 phosphors of different mol% by solid-state reaction approach. The obtained powder phosphors of RE3+(Sm, Dy): MgLa2V2O9 were analyzed by SEM, XRD, FTIR, EDAX, PL spectroscopy, and CIE chromaticity diagram of the color of different mol%. The XRD pattern of the powder phosphors exhibits the phosphor’s crystalline nature. The obtained size of prepared phosphors is around the size of 500 nm was observed by analysis of SEM. The element’s existence in the phosphors was obtained by analysis of EDAX. Functional groups were identified by FTIR analysis. From the PL analysis Sm3+: MgLa2V2O9 phosphors show intense orange-red emission at 599 nm, that is attributed to the 4G5/2→6H7/2 transition having an excitation λexci=404nm (6H5/2→4F7/2). It exhibits yellow emission for Dy3+: MgLa2V2O9at 574 nm having a transition of 4F9/2→6H13/2having an excitation wavelength λexci.= (6H15/2→4I15/2). The CIE diagram shows the orange and yellow emission for Sm3+: MgLa2V2O9 and Dy3+:MgLa2V2O9correspondingly. The CIE coordinates shows that the great purity of color of the phosphors powder.
Alkali and mixed alkali effect: spectroscopic properties of Eu3+ and Tb3+ ions doped zinc tungstate boro phosphate glasses
J. Santhosh Vijitha, S. Hajira, S. J. Dhoble, G. Venkata Ramana, B. Sudhakar Reddy
Ferroelectrics, 2023
Doped with trivalent rare-earth ions (Eu3+ and Tb3+), zinc tungstate borophosphate glasses are reported in this study, along with their structural, elemental, optical properties. Amorphous glass was identified via X-ray diffraction analysis. The elemental evaluation was finished using EDAX. The FTIR spectrum is used to identify ligands. The produced glasses’ optical features were studied using FT-Raman spectral analysis, photoluminescence excitation (PLE), and photoluminescence (PL) analysis. Emission spectra of glasses doped with Eu3+ ions reveal the bright red emission at 613 nm (5D0 → 7F2) with an excitation wavelength of 394 nm. (7F0 → 5L6) Green light is emitted at 545 nm (5D4 → 7F5) and 379 nm (7F6 → 5G6) is used for excitation in the emission spectra of glasses doped with Tb3+ ions. By analyzing decay curves, we may estimate how long Eu3+ or Tb3+ ions in BPWZL glasses will remain stable. The energy level diagram explains the emission procedure that takes place in (Eu3+ and Tb3+) doped zinc tungstate borophosphate glasses.
Optical analysis of RE3+ (Sm or Dy): B2O3-P2O5-CaF2-ZnO–(Li2O/Na2O/K2O) glasses
G. Moulika, S. Sailaja, J. Santhoshi Vijetha, S. Hajira, B. Naveen kumar Reddy, C. Nageswara Raju, B. Sudhakar Reddy
Ferroelectrics, 2023
Optical analysis of RE3+ (RE = Nd or Er):B2O3–P2O5–CaF2–ZnO–(Li2O/Na2O/K2O) glasses
Guduru Moulika, Sannapureddy Sailaja, Jillela Santhosh Vijitha, Putluru Bayapu Reddy, Kondala Shanthi Latha, Gasthi Venkata Chalapathi, Busireddy Sudhakar Reddy
Luminescence, 2022
Study of RE ion-doped oxide glass materials for photonic applications
B. Naveen Kumar Reddy, S. Sailaja, K. Thyagarajan, B. Sudhakar Reddy
Spectroscopy of Lanthanide Doped Oxide Materials, 2019
Spectroscopic properties of Dy3+-doped alkali and mixed alkali borosilicate glasses
B. Naveen Kumar Reddy, S. Sailaja, K. Thyagarajan, M. V. Ramanaiah, B. Sudhakar Reddy
Ferroelectrics, 2018
Emission analysis of Tb3+-and Sm3+-ion-doped (Li2O/Na2O/K2O) and (Li2O + Na2O/Li2O + K2O/K2O + Na2O)-modified borosilicate glasses
B. Naveen Kumar Reddy, S. Sailaja, K. Thyagarajan, Young Dahl Jho, B. Sudhakar Reddy
Luminescence, 2018
Optical properties of Eu3+ & Tb3+ ions doped alkali oxide (Li2O/ Na2O/ K2O) modified boro phosphate glasses for red, green lasers and display device applications
G. Moulika, S. Sailaja, B. Naveen Kumar Reddy, V.Sahadeva Reddy, S.J. Dhoble, B. Sudhakar Reddy
Physica B Condensed Matter, 2018
Optical analysis of RE3+ (RE=Eu, Tb): CdO-PbO-B2O3-AlF3 glasses
B. Suneetha, S. Sailaja, S.J. Dhoble, B. Sudhakar Reddy
Optik, 2018
Optical characterization of Eu3+ ion doped alkali oxide modified borosilicate glasses for red laser and display device applications
B. Naveen Kumar Reddy, B. Devaprasad Raju, K. Thyagarajan, R. Ramanaiah, Young-Dahl Jho, B. Sudhakar Reddy
Ceramics International, 2017
Optical characterization of zinc lithium bismuth borate glasses doped with Tb3+ for novel applications
K. Mallikarjuna, M. Bhushana Reddy, G. Moulika, B. Naveen Kumar Reddy, R. Ramanaiah, S. J. Dhoble, B. Sudhakar Reddy
Aip Conference Proceedings, 2017
Thermoluminescence and kinetic study of low z LiAlO2:Dy/Eu phosphors
Monali R. Kadukar, P. W. Yawalkar, S. P. Lochab, S. J. Dhoble, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2017
Luminescence analysis of SrGa2Si2O8: RE3+ (RE = Dy, Tm) phosphors
Monali R.Kadukar, S. J. Dhoble, A. K. Sahu, V. Nayar, S. Sailaja, B. Sudhakar Reddy
Luminescence, 2017
Optical analysis of RE(3+) (RE = Pr(3) (+) , Er(3) (+) and Nd(3) (+) ):cadmium lead boro tellurite glasses
P. Giridhar, M. Bhushana Reddy, G. Neelima, R. Ramanaiah, K. Nagamuni Reddy, V. Sahadeva Reddy, B. Sudhakar Reddy
Luminescence the Journal of Biological and Chemical Luminescence, 2016
Luminescence studies on BaSi6N8O: Eu3+ phosphors
S. A. Fartode, B. Sudhakar Reddy, V. Nayar, S.J. Dhoble
Ferroelectrics Letters Section, 2016
A promising RVO4:Eu3+,Li+@SiO2 (R=Gd, y and Gd/Y) red-emitting phosphor with improved luminescence (cd/m2) and colour purity for optical display applications
Urlagaddala Rambabu, Nagegownivari Ramachandra Munirathnam, Busireddy Sudhakar Reddy, Sandip Chatterjee
Luminescence, 2016
Emission analysis of RE3+ (RE=Eu, Sm, Dy):MgY4Si3O13 phosphors
B. Sudhakar Reddy, Monali R. Kadukar, Hyeong-Yong Hwang, Byoung Seung Ham, S. Sailaja, U. Rambabu, S.J. Dhoble, Young-Dahl Jho
Physica B Condensed Matter, 2015
Optical properties of Nd3+-doped and Er3+-Yb3+ codoped borotellurite glass for use in NIR lasers and fiber amplifiers
B. Sudhakar Reddy, Hyeong-Yong Hwang, Young-Dahl Jho, Byoung Seung Ham, S. Sailaja, C. Madhukar Reddy, B. Vengala Rao, S.J. Dhoble
Ceramics International, 2015
Synthesis Process and Luminescence Properties of Pr3+: Bagd2ti4O12 Ceramics
S.Hemasundara Raju, K.Thyagarajan, B.Sudhakar Reddy, C.Nageswara Raju
Materials Today Proceedings, 2015
Blue, yellow and orange color emitting rare earth doped BaCa 2Al8O15 phosphors prepared by combustion method
A.N. Yerpude, S.J. Dhoble, B. Sudhakar Reddy
Physica B Condensed Matter, 2014
861-867 Luminescence properties of barium - Gadolinium-titanate ceramics doped with rare-earth ions (Eu3+and Tb3+)
S. Hemasundara Raju, B. Muni Sudhakar, B. Sudhakar Reddy, S. J. Dhoble, K. Thyagarajan, C. Nageswara Raju
Luminescence, 2014
Synthesis, photoluminescence and thermoluminescence properties of Sm 3+ and Dy3+ ions doped barium gadolinium titanate ceramics
S. Hemasundara Raju, B. Muni Sudhakar, B. Sudhakar Reddy, S. J. Dhoble, K. Thyagarajan, C. Nageswara Raju
Ferroelectrics Letters Section, 2014
Judd-Ofelt analysis and spectral properties of Dy3+ ions doped niobium containing tellurium calcium zinc borate glasses
O. Ravi, C. Madhukar Reddy, B. Sudhakar Reddy, B. Deva Prasad Raju
Optics Communications, 2014
Optical absorption and NIR emission spectral studies of Er3+ and Nd3+: Zinc lithium bismuth borate glasses
M. Bhushana Reddy, S. Sailaja, C. Nageswara Raju, B. Sudhakar Reddy
Journal of Optics India, 2014
Emission analysis of CdO-Bi2O3-B2O 3 glasses doped with Eu3+ and Tb3+
C. Nageswara Raju, S. Sailaja, S. Hemasundara Raju, S.J. Dhoble, U. Rambabu, Young-Dahl Jho, B. Sudhakar Reddy
Ceramics International, 2014
Effects of host composition, Al3+ as a sensitizer and SiO 2 surface coating on luminescence intensity, color purity of MVO 4: Al3+, Eu3+ @ SiO2 (M = Gd, y and Gd/Y) red phosphors
U. Rambabu, N.R. Munirathnam, D.P. Amalnerkar, T.L. Prakash, B. Sudhakar Reddy, S. Chatterjee
Materials Chemistry and Physics, 2013
Influence of Bi3+ as a sensitizer and SiO2 shell coating as a protecting layer towards the enhancement of red emission in LnVO4: Bi3+, Eu3+ @ SiO2 (Ln=Gd, y and Gd/Y) powder phosphors for optical display devices
U. Rambabu, N.R. Munirathnam, S. Chatterjee, B. Sudhakar Reddy, Sang-Do Han
Ceramics International, 2013
Optical properties of Sm3+-doped cadmium bismuth borate glasses
S. Sailaja, C. Nageswara Raju, C. Adinarayana Reddy, B. Deva Prasad Raju, Young-Dahl Jho, B. Sudhakar Reddy
Journal of Molecular Structure, 2013
Emission analysis of Sm3+ and Dy3+: Ba 3Y2WO9 ceramics
K. Vemasevana Raju, C. Nageswara Raju, S. Sailaja, S.J. Dhoble, B. Sudhakar Reddy
Journal of Luminescence, 2013
Judd-Ofelt analysis and photoluminescence properties of RE3+ (RE = Er & Nd): Cadmium lithium boro tellurite glasses
K. Vemasevana Raju, C. Nageswara Raju, S. Sailaja, B. Sudhakar Reddy
Solid State Sciences, 2013
Optical analysis of Dy3+: CdO-Bi 2O 3-B 2O 3 glasses
S. Sailaja, C. Nageswara Raju, C. Adinarayana Reddy, S. Hemasundara Raju, U. Rambabu, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2013
Emission analysis of RE3+ (RE = Sm, Dy):B2O 3-TeO2-Li2O-AlF3 glasses
C Nageswara Raju, S Sailaja, S Pavan Kumari, SJ Dhoble, V Ramesh Kumar, MV Ramanaiah, B Sudhakar Reddy
Luminescence, 2013
FT-IR, FT-Raman and fluorescence studies of Tb3+ ions activated lead containing sodium fluoroborate glasses
C. Madhukar Reddy, B. Sudhakar Reddy, G.R. Dillip, K. Mallikarjuna, B. Deva Prasad Raju
Journal of Molecular Structure, 2012
Effect of concentration on the photoluminescence properties of Sm 3+ and Dy 3+: Cadmium lithium boro tellurite glasses
K. Vemasevana Raju, S. Sailaja, M. Bhushana Reddy, P. Giridhar, C. Nageswara Raju, B. Sudhakar Reddy
Journal of Nanoscience and Nanotechnology, 2012
Synthesis, structural, photoluminescence and mechanoluminescence properties of Tb 3+: Ca 2Gd 2W 3O 14 novel green nanophosphors
S. Sailaja, S. J. Dhoble, Nameeta Brahme, B. Sudhakar Reddy
Journal of Materials Science, 2012
Spectroscopic investigations of Eu 3+ and Tb 3+: Cadmium lead boro tellurite glasses
P. Giridhar, Hyo Jin Seo, S. Sailaja, M. Bhushana Reddy, C. Nageswara Raju, B. Sudhakar Reddy
Glass Physics and Chemistry, 2012
Synthesis and fluorescence properties of reddish-orange emitting (Y, Ga)PO4: Sm3+ powder phosphors
Optoelectronics and Advanced Materials Rapid Communications, 2012
Emission analysis of Pr3 and Tm3: Ca 2Gd2W3O14 phosphors
S. Sailaja, S.J. Dhoble, C. Nageswara Raju, B. Sudhakar Reddy
Physica B Condensed Matter, 2012
Spectroscopic investigations of Er3+:CdO-Bi2O 3-B2O3 glasses
C. Nageswara Raju, C. Adinarayana Reddy, S. Sailaja, Hyo Jin Seo, B. Sudhakar Reddy
Luminescence, 2012
Emission Properties of RE3+ (RE = Eu, Tb): CdO-Li 2O-B2O3-TeO2 glasses
K. Vemasevana Raju, C. Nageswara Raju, S. Sailaja, U. Rambadu, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2012
Judd-Ofelt theory: Optical absorption and NIR emission spectral studies of Nd 3+:CdO-Bi 2O 3-B 2O 3 glasses for laser applications
C. Nageswara Raju, C. Adinarayana Reddy, S. Sailaja, Hyo Jin Seo, B. Sudhakar Reddy
Journal of Materials Science, 2012
Synthesis, photoluminescence and mechanoluminescence properties of Eu 3+ ions activated Ca2Gd2W3O 14 phosphors
S. Sailaja, S. J. Dhoble, Nameeta Brahme, B. Sudhakar Reddy
Journal of Materials Science, 2011
Solgel synthesis, structural and optical properties of rare earth ions (Sm3 or Dy3) activated Ca3Ga2Si 3O12 powder phosphors
M. Bhushana Reddy, C. Nageswara Raju, S. Sailaja, B. Vengala Rao, B. Sudhakar Reddy
Journal of Luminescence, 2011
Synthesis and photoluminescence properties of Sm 3+ and Dy 3+ ions activated Ca 2Gd 2W 3O 14 phosphors
S. Sailaja, S.J. Dhoble, B. Sudhakar Reddy
Journal of Molecular Structure, 2011
Structural and luminescence properties of RE3+ (RE = Eu, Tb):(MgCa)2Bi4Ti5O20 ceramics
S. Sailaja, B. Sudhakar Reddy
Ceramics International, 2011
Synthesis, structural and photoluminescence properties of RE 3+ (RE = Pr, Tm): (Mg Ca) 2Bi 4Ti 5O 20 ceramics
S. Sailaja, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2011
Synthesis, the effect of rare earth ion concentration and temperature on luminescence properties of Eu3: Ba3Y2WO 9 ceramics
K. Vemasevana Raju, S. Sailaja, C. Nageswara Raju, B. Sudhakar Reddy
Journal of Luminescence, 2011
Absorption and fluorescence studies of Sm3 ions in lead containing sodium fluoroborate glasses
C. Madhukar Reddy, G.R. Dillip, K. Mallikarjuna, Sd. Zulifiqar Ali Ahamed, B. Sudhakar Reddy, B. Deva Prasad Raju
Journal of Luminescence, 2011
Optical characterization of Eu3+ and Tb3+ ions doped cadmium lithium alumino fluoro boro tellurite glasses
K. Vemasevana Raju, S. Sailaja, C. Nageswara Raju, B. Sudhakar Reddy
Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, 2011
Optical absorption and photoluminescence studies of Dy3+: LCZSFB glasses
C. Madhukar Reddy, G. R Dillip, K. Mallikarjuna, B. Sudhakar Reddy, K. Vemasevana Raju, B. Deva Prasad Raju
Photonics Letters of Poland, 2011
Optical analysis of Sm3+ and Dy3+ ion-doped cadmium lead boro tellurite glasses
P. Giridhar, S. Sailaja, M. Bhushana Reddy, K. Vemasevana Raju, C. Nageswara Raju, B. Sudhakar Reddy
Radiation Effects and Defects in Solids, 2011
Spectroscopic investigations of Sm3+ ions doped B 2O3-Bi2O3-ZnO-Li2O Glasses
M. Bhushana Reddy, S. Sailaja, P. Giridhar, C. Nageswara Raju, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2011
Spectroscopic studies of RE3+(RE = Eu, Tb, Sm Dy): Lithium lead boro tellurite glasses
P. Giridhar, S. Sailaja, M. Bhushana Reddy, K. Vemasevana Raju, C. Nageswara Raju, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2011
Synthesis and luminescence properties of Ca3Ga 2Si3O12:RE3+ (RE = Eu/Tb) powder phosphors
M. Bhushana Reddy, S. Sailaja, K. Vemasevana Raju, C. Nageswara Raju, P. Giridhar, B. Vengala Rao, B. Sudhakar Reddy
Luminescence, 2011
Spectral analysis of RE3+ (Sm3+ or Dy3+): (Mg Ca)2 Bi4Ti5O20 ceramics
S. Sailaja, B. Sudhakar Reddy
Ferroelectrics Letters Section, 2010
Optical characterization of Eu3+ and Tb3+ ions doped zinc lithium borotellurite glasses
B. Sudhakar Reddy, K. Vemasevana Raju, S. Sailaja, C. Nageswara Raju, D. Sreekantha Reddy
Advanced Materials Research, 2010
NIR emission analysis of Er3+/Yb3+ and Er 3+/Tm3+ ions doped Zinc lithium boro tellurite (ZLiBT) glasses for optical fiber amplification
B. Sudhakar Reddy, K. Vemasevana Raju, S. Sailaja, C. Nageswara Raju, D. Sreekantha Reddy
Advanced Materials Research, 2010
Optical analysis of RE3+: Boro-fluoro-phosphate glasses
B. Sudhakar Reddy, S. Buddhudu
Solid State Phenomena, 2010
Optical analysis of Er3+:boro-fluoro-phosphate glasses
B. Sudhakar Reddy, S. Buddhudu, K. S. R. K. Rao, P. Naresh Babu, K. Annapurna
Spectroscopy Letters, 2008
Optical characterization of Nd3+ : Fluoro-phospho-borate glasses
Indian Journal of Physics, 2008
Synthesis and characterization of diluted magnetic semiconducting Zn1-xMnxS nanostructured films
Sreekantha D. Reddy, Maheswara M. Reddy, Byeongwon Kang, Seong-Cho Yu, Narasimha K. Rao, K. R. Gunasekhar, Sudhakar B. Reddy, Sreedhara P. Reddy
Sensor Letters, 2008
Spectral analysis of Pr3+ & Tm3+ ions doped fluoro- Phospho - borate glasses
Journal of Optoelectronics and Advanced Materials, 2008
Spectral analysis of Nd3+ & Er3+: B 2O3-(TeO2/CdO/ZnO)-Li2O-AlF 3 glasses
Journal of Optoelectronics and Advanced Materials, 2008
Structural and photoluminescence properties of Zn1-xMn xO nanoparticles for optoelectronic device applications
Journal of Optoelectronics and Advanced Materials, 2008
Spectral analysis of Cu2+ and Mn2+ ions doped borofluorophosphate glasses
B. Sudhakar Reddy, S. Buddhudu
Bulletin of Materials Science, 2007
Emission spectra of Eu3+ and Tb3+: Borophosphate oxyfluoride glasses
Indian Journal of Pure and Applied Physics, 2007
Characterization of Boro-fluoro-phosphate glasses
Proceedings of the Indian National Science Academy, 2007
Spectral analysis of Cu2+: B2O3-(TeO 2/CdO/ZnO)-Li2O-AlF3 glasses
Indian Journal of Pure and Applied Physics, 2006
EPR and optical absorption spectral studies on Mn2+ ions doped in potassium thiourea bromide single crystals
B. Sudhakar Reddy, N.O. Gopal, K.V. Narasimhulu, Ch. Linga Raju, J.L. Rao, B.C.V. Reddy
Journal of Molecular Structure, 2005

Prof. B.Sudhakar Reddy M.Sc., M.Phil., Ph.D. FRSC,FNESA

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