Research Output 1992 2019

2019

An electron beam induced study in fluorine doped ZnO nanostructures for optical filtering and frequency conversion application

Antony, A., Poornesh, P., Ozga, K., Rakus, P., Wojciechowski, A., Kityk, I. V., Sanjeev, G., Petwal, V. C., Verma, V. P. & Dwivedi, J., 01-07-2019, In : Optics and Laser Technology. 115, p. 519-530 12 p.

Research output: Contribution to journalArticle

Fluorine
frequency converters
fluorine
Electron beams
Nanostructures
3 Citations (Scopus)

A study of 8 MeV e-beam on localized defect states in ZnO nanostructures and its role on photoluminescence and third harmonic generation

Antony, A., Poornesh, P., Kityk, I. V., Myronchuk, G., Sanjeev, G., Petwal, V. C., Verma, V. P. & Dwivedi, J., 01-03-2019, In : Journal of Luminescence. 207, p. 321-332 12 p.

Research output: Contribution to journalArticle

Nanostructures
Harmonic generation
harmonic generations
Photoluminescence
Irradiation

A systematic study on effect of electron beam irradiation on electrical properties and thermopower of RE0.8Sr0.2CoO3 (RE=La, Pr) cobaltites

Christopher, B., Thomas, R., Rao, A., Okram, G. S., Petwal, V. C., Verma, V. P. & Dwivedi, J., 01-01-2019, In : Physica B: Condensed Matter. 552, p. 170-177 8 p.

Research output: Contribution to journalArticle

Thermoelectric power
Electron beams
Electric properties
electrical properties
Irradiation

Bi 2 Te 3 -PLZT(9/65/35)-PVDF multifunctional nanocomposite films for futuristic energy harvestors

Ramam, K., Gurumurthy, S. C. & Nagaraja, B. S., 20-03-2019, 2nd International Conference on Inventive Research in Material Science and Technology, ICIRMCT 2019. Smys, S., Subarna, S. & Chen, J. (eds.). American Institute of Physics Inc., 020016. (AIP Conference Proceedings; vol. 2087).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
nanocomposites
thin films
transmission electron microscopy
scanning electron microscopy
energy

Correlated quartic variation of band gap and NBE energy in sol-gel derived Zn 1−x Co x O nanoparticles

Chattopadhyay, S., Misra, K. P., Agarwala, A., Rao, A. & Babu, P. D., 01-04-2019, In : Materials Chemistry and Physics. 227, p. 236-241 6 p.

Research output: Contribution to journalArticle

Sol-gels
Energy gap
Particle size
gels
Nanoparticles
borates
Bismuth
bismuth
Electron beams
Zinc
2 Citations (Scopus)

Effects of high dose gamma irradiation on the optical properties of Eu3+ doped zinc sodium bismuth borate glasses for red LEDs

Hegde, V., Chauhan, N., Kumar, V., Viswanath, C. S. D., Mahato, K. K. & Kamath, S. D., 01-03-2019, In : Journal of Luminescence. 207, p. 288-300 13 p.

Research output: Contribution to journalArticle

Borates
Bismuth
borates
bismuth
Dosimetry

Effects of iso- and polyvalent substitutions on the short/long-range crystalline order in CuCrO 2 compounds

Barot, N., Mehta, P. K., Rao, A., Thomas, R. & Kuo, Y. K., 30-06-2019, In : Journal of Alloys and Compounds. 791, p. 134-143 10 p.

Research output: Contribution to journalArticle

Substitution reactions
Doping (additives)
Crystalline materials
Ions
Rietveld refinement

Enhanced photostability and optical nonlinearity of nickel and cobalt organometallic complexes

Manjunatha, K. B., Rajarao, R., Poornesh, P., Rudresha, B. J., Umesh, G. & Ramachandra Bhat, B., 01-03-2019, In : Optical Materials. 89, p. 494-497 4 p.

Research output: Contribution to journalArticle

Organometallics
Cobalt
Nickel
cobalt
Coordination Complexes

Highly fluorescent materials derived from ortho-vanillin: Structural, photophysical electrochemical and theoretical studies

Poojary, S., Acharya, M., Abdul Salam, A. A., Kekuda, D., Nayek, U., Madan Kumar, S., Adhikari, A. V. & Sunil, D., 01-02-2019, In : Journal of Molecular Liquids. 275, p. 792-806 15 p.

Research output: Contribution to journalArticle

molecular rotation
Azo Compounds
Azo dyes
Fluorophores
Derivatives

Induced effects of Zn +2 on the transport and complex impedance properties of Gadolinium substituted nickel-zinc nano ferrites

Santhosh Kumar, M. V., Shankarmurthy, G. J., Melagiriyappa, E., Nagaraja, K. K., Jayanna, H. S. & Telenkov, M. P., 15-05-2019, In : Journal of Magnetism and Magnetic Materials. 478, p. 12-19 8 p.

Research output: Contribution to journalArticle

Gadolinium
Ferrites
gadolinium
Nickel
Transport properties
2 Citations (Scopus)

Influence of 1.25 MeV gamma rays on optical and luminescent features of Er 3+ doped zinc bismuth borate glasses

Hegde, V., Prabhu, N., Wagh, A., Sayyed, M. I., Agar, O. & Kamath, S. D., 01-03-2019, In : Results in Physics. 12, p. 1762-1769 8 p.

Research output: Contribution to journalArticle

borates
bismuth
zinc
gamma rays
luminescence

Investigation of the effect of electron beam irradiation on the structural and transport properties of half doped Nd 0.5 Sr 0.5 MnO 3 manganites

Chettri, P., Deka, U., Rao, A., Okram, G. S., Chandra Petwal, V., Verma, V. P., Dwivedi, J., Thomas, R. & Nagaraja, B. S., 01-05-2019, In : Physica B: Condensed Matter. 560, p. 220-227 8 p.

Research output: Contribution to journalArticle

Manganites
Thermoelectric power
Transport properties
Structural properties
Electron beams
5 Citations (Scopus)

Investigations on the physical, structural, optical and photoluminescence behavior of Er 3+ ions in lithium zinc fluoroborate glass system

Prabhu, N. S., Hegde, V., Sayyed, M. I., Şakar, E. & Kamath, S. D., 01-05-2019, In : Infrared Physics and Technology. 98, p. 7-15 9 p.

Research output: Contribution to journalArticle

Lithium
Zinc
Photoluminescence
lithium
zinc

Melt spinning: A rapid and cost effective approach over ball milling for the production of nanostructured p-type Si80Ge20 with enhanced thermoelectric properties

Thomas, R., Rao, A., Chauhan, N. S., Vishwakarma, A., Singh, N. K. & Soni, A., 15-04-2019, In : Journal of Alloys and Compounds. 781, p. 344-350 7 p.

Research output: Contribution to journalArticle

Melt spinning
Ball milling
Spark plasma sintering
Costs
Diamond

Methodical engineering of defects in Mn X Zn 1-X O(x = 0.03, and 0.05) nanostructures by electron beam for nonlinear optical applications: A new insight

Antony, A., Poornesh, P., Kityk, I. V., Ozga, K., Jedryka, J., Philip, R., Sanjeev, G., Petwal, V. C., Verma, V. P. & Dwivedi, J., 01-05-2019, In : Ceramics International. 45, 7, p. 8988-8999 12 p.

Research output: Contribution to journalArticle

Electron beams
Nanostructures
Irradiation
Defects
Spray pyrolysis
1 Citation (Scopus)

Nonlinear optical and optical power limiting studies of Zn1-xMnxO thin films prepared by spray pyrolysis

Sindhu, H. S., Maidur, S. R., Patil, P. S., Choudhary, R. J. & Rajendra, B. V., 01-04-2019, In : Optik. 182, p. 671-681 11 p.

Research output: Contribution to journalArticle

Spray pyrolysis
pyrolysis
sprayers
Doping (additives)
Thin films
2 Citations (Scopus)

Photoemission and thermoluminescence characteristics of Dy3+-doped zinc sodium bismuth borate glasses

Hegde, V., Chauhan, N., Viswanath, C. S. D., Kumar, V., Mahato, K. K. & Kamath, S. D., 01-03-2019, In : Solid State Sciences. 89, p. 130-138 9 p.

Research output: Contribution to journalArticle

Borates
Bismuth
Thermoluminescence
Photoemission
thermoluminescence
1 Citation (Scopus)

Structural and optical studies of gamma irradiated N-doped 4H-SiC

Vali, I. P., Shetty, P. K., Mahesha, M. G., Sathe, V. G., Phase, D. M. & Choudhary, R. J., 01-02-2019, In : Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 440, p. 101-106 6 p.

Research output: Contribution to journalArticle

Gamma rays
Dosimetry
Irradiation
gamma rays
dosage
Chalcone
Optical materials
optical materials
conjugation
Permittivity

The effect of 8 MeV electron beam irradiation on the structural, optical and photoluminescence properties of ZnS thin films

Priya, K., Rao, G. K., Ashith, V. K., Sanjeev, G., Verma, V. P., Petwal, V. C. & Dwivedi, J., 01-02-2019, In : Ceramics International. 45, 2, p. 2576-2583 8 p.

Research output: Contribution to journalArticle

Electron beams
Photoluminescence
Irradiation
Thin films
Band structure

The effects of 150 kGy dose γ rays on Nd3+ doped lead fluoroborate glasses

Wagh, A., Hegde, V., Dwaraka Viswanath, C. S., Lakshminarayana, G., Raviprakash, Y. & Kamath, S. D., 01-03-2019, In : Physica B: Condensed Matter. 556, p. 136-150 15 p.

Research output: Contribution to journalArticle

rays
Irradiation
Glass
dosage
irradiation
2018
Zinc sulfide
zinc sulfides
Band structure
energy bands
Defects
3 Citations (Scopus)

Analysis of PV deposited ZnTe thin films through Urbach tail and photoluminescence spectroscopy

Keshav, R., Padiyar, M., Meghana, N. & Mahesha, M. G., 01-02-2018, In : Journal of Luminescence. 194, p. 257-263 7 p.

Research output: Contribution to journalArticle

Photoluminescence spectroscopy
Glass
Spectrum Analysis
Photoluminescence
Hot Temperature
4 Citations (Scopus)

A novel approach for tailoring structural, morphological, photoluminescence and nonlinear optical features in spray coated Cu:ZnO nanostructures: Via e-beam

Antony, A., Poornesh, P., Kityk, I. V., Ozga, K., Sanjeev, G., Petwal, V. C., Verma, V. P. & Dwivedi, J., 01-01-2018, In : CrystEngComm. 20, 41, p. 6502-6518 17 p.

Research output: Contribution to journalArticle

sprayers
Electron beams
Nanostructures
Photoluminescence
Irradiation

Cd-doped ZnO nano crystalline thin films prepared at 723K by spray pyrolysis

Joishy, S. & Rajendra, B. V., 10-04-2018, DAE Solid State Physics Symposium 2017. American Institute of Physics Inc., Vol. 1942. 080027

Research output: Chapter in Book/Report/Conference proceedingConference contribution

pyrolysis
sprayers
thin films
cadmium
spectrophotometry
2 Citations (Scopus)

Correlation between structural and transport properties of electron beam irradiated PrMnO3 compounds

Christopher, B., Rao, A., Nagaraja, B. S., Shyam Prasad, K., Okram, G. S., Sanjeev, G., Petwal, V. C., Verma, V. P., Dwivedi, J. & Poornesh, P., 01-02-2018, In : Solid State Communications. 270, p. 30-37 8 p.

Research output: Contribution to journalArticle

Transport properties
Structural properties
Electron beams
Gene Conversion
Seebeck coefficient
4 Citations (Scopus)

Defect induced white-light emission from Mn–doped ZnO films and its magnetic properties

Sindhu, H. S., Rajendra, B. V., Hebbar, N. D., Kulkarni, S. D. & Babu, P. D., 01-07-2018, In : Journal of Luminescence. 199, p. 423-432 10 p.

Research output: Contribution to journalArticle

Light emission
light emission
Magnetic properties
magnetic properties
Light
1 Citation (Scopus)
Optical devices
Single crystals
Permittivity
single crystals
permittivity

Dielectric and magnetic properties of high porous Gd +3 substituted nickel zinc ferrite nanoparticles

Kumar, M. V. S., Shankarmurthy, G. J., Melagiriyappa, E., Nagaraja, K. K., Lamani, A. R. & Harish, B. M., 01-01-2018, In : Materials Research Express. 5, 4, 046109.

Research output: Contribution to journalArticle

Dielectric properties
Ferrite
Magnetic properties
Zinc
Substitution reactions
4 Citations (Scopus)

Distinct Phase Formation of Bi RE WO6 (RE = La-Yb) Nanoparticles by a One Step Hydrothermal Synthesis and Their Photocatalytic Applications

Shanbogh, P. P., Swain, D., Narayana, C., Rao, A. & Sundaram, N. G., 04-04-2018, In : Crystal Growth and Design. 18, 4, p. 1935-1939 5 p.

Research output: Contribution to journalArticle

Hydrothermal synthesis
Nanostructured materials
Nanoparticles
Congo Red
nanoparticles

Effect of bismuth nanoparticle incorporation on the characteristics of p-ZnTe/n-CdS thin film light sensors

Rao, G. K., K., A. V., Priya, K. & Kumar, P., 01-12-2018, In : Sensors and Actuators, A: Physical. 284, p. 194-200 7 p.

Research output: Contribution to journalArticle

Bismuth
bismuth
Nanoparticles
Thin films
nanoparticles

Effect of Cadmium Dopant on Structure and Optical Properties of ZnO Thin Films Prepared by Spray Pyrolysis Technique

Joishy, S., Sindhu, H. S. & Rajendra, B. V., 01-01-2018, In : IOP Conference Series: Materials Science and Engineering. 360, 1, 012050.

Research output: Contribution to journalConference article

Spray pyrolysis
Cadmium
Optical properties
Doping (additives)
Thin films
2 Citations (Scopus)
Electric properties
Optical properties
electrical properties
optical properties
Thin films

Effect of electron beam irradiation on thermally evaporated Ge2Sb2Te5 thin films

Sarkar, D., Sanjeev, G., Bhat, T. N. & Mahesha, M. G., 01-01-2018, In : Journal of Optoelectronics and Advanced Materials. 20, 1-2, p. 84-89 6 p.

Research output: Contribution to journalArticle

Electron beams
Irradiation
electron beams
Thin films
irradiation

Effect of gadolinium dopant on structural, magneto-transport, magnetic and thermo-power of Pr0.8Sr0.2MnO3

Poojary, T., Babu, P. D., Sanil, T. & Daivajna, M. D., 01-07-2018, In : Solid State Communications. 275, p. 35-42 8 p.

Research output: Contribution to journalArticle

Gadolinium
gadolinium
Doping (additives)
Manganites
Thermoelectric power

Effect of gamma and neutron irradiation on structural and optical properties of ammonium dihydrogen phospate single crystals

Shetty, P. K., Vinaya, P. P., Nakshatri, R. & Prabhu, A. N., 01-03-2018, In : Optik. 156, p. 224-230 7 p.

Research output: Contribution to journalArticle

Neutron irradiation
neutron irradiation
Ammonium Compounds
Structural properties
Optical properties
1 Citation (Scopus)

Effect of polymer–metal interaction and substrate temperature on the properties of vacuum-evaporated silver nanoparticulate films

Rakesha Kakkrannaya, A., Mohan Rao, K., Tolpadi, A., Sanjeev, G. & Pattabi, M., 01-09-2018, In : Journal of Materials Science. 53, 18, p. 12908-12920 13 p.

Research output: Contribution to journalArticle

Silver
Vacuum
Substrates
Pyrrolidinones
Temperature

Effect of post-deposition annealing on the properties of ZnO films obtained by high temperature, micro-controller based SILAR deposition

Ashith, V. K., Rao, G. K., Moger, S. N. & R, S., 15-06-2018, In : Ceramics International. 44, 9, p. 10669-10676 8 p.

Research output: Contribution to journalArticle

Annealing
Adsorption
Controllers
Crystallite size
Temperature
3 Citations (Scopus)

Effect of rare-earth substitution at La-site on structural, electrical and thermoelectric properties of La0.7−xRExSr0.3MnO3 compounds (x = 0, 0.2, 0.3; RE = Eu, Gd, Y)

Choudhary, Y. R. S., Mangavati, S., Patil, S., Rao, A., Nagaraja, B. S., Thomas, R., Okram, G. S. & Kini, S. G., 01-04-2018, In : Journal of Magnetism and Magnetic Materials. 451, p. 110-120 11 p.

Research output: Contribution to journalArticle

Rare earths
Substitution reactions
rare earth elements
electrical properties
substitutes
Electric properties
Optical properties
electrical properties
optical properties
Thin films
Bolometers
Perovskite
Oxides
Irradiation
Plasmas
3 Citations (Scopus)

Electrical, thermal and magnetic studies on 7.5 MeV electron beam irradiated PrCoO3 polycrystalline samples

Christopher, B., Rao, A., Deka, U., Prasad K, S., Okram, G. S., Sanjeev, G., Chandra Petwal, V., Verma, V. P. & Dwivedi, J., 01-07-2018, In : Physica B: Condensed Matter. 540, p. 26-32 7 p.

Research output: Contribution to journalArticle

Electron beams
Gene Conversion
electron beams
Manganites
Seebeck coefficient
1 Citation (Scopus)

Electron beam induced modifications in the microstructure of PVA/Li2B4O7 polymer films: Positron annihilation study

Ismayil, Ravindrachary, V., Sanjeev, G. & Praveena, S. D., 01-10-2018, In : Radiation Physics and Chemistry. 151, p. 69-76 8 p.

Research output: Contribution to journalArticle

positron annihilation
alcohols
electron beams
microstructure
polymers

Enhanced radial growth of Mg doped GaN nanorods: A combined experimental and first-principles study

Nayak, S., Kumar, R., Pandey, N., Nagaraja, K. K., Gupta, M. & Shivaprasad, S. M., 07-04-2018, In : Journal of Applied Physics. 123, 13, 135303.

Research output: Contribution to journalArticle

nanorods
magnesium
coalescing
adsorption
gallium nitrides
6 Citations (Scopus)

Enhancement of the efficiency of the third harmonic generation process in ZnO: F thin films probed by photoluminescence and Raman spectroscopy

Antony, A., Poornesh, P., Ozga, K., Jedryka, J., Rakus, P. & Kityk, I. V., 15-11-2018, In : Materials Science in Semiconductor Processing. 87, p. 100-109 10 p.

Research output: Contribution to journalArticle

Photoluminescence spectroscopy
Fluorine
Harmonic generation
fluorine
Raman spectroscopy
Zinc sulfide
Photoluminescence
Nanoparticles
Defects
Microwave heating
1 Citation (Scopus)

Fluorescent aromatic symmetrical azines: Synthesis and appraisal of their photophysical and electrochemical properties

Poojary, S., Sunil, D., Kekuda, D. & Sreenivasa, S., 01-11-2018, In : Optical Materials. 85, p. 1-7 7 p.

Research output: Contribution to journalArticle

hydrazine
azines
Hydrazine
Electrochemical properties
Electroluminescence
4 Citations (Scopus)

Free volume modifications in chalcone chromophore doped PMMA films by electron irradiation: Positron annihilation study

Ismayil, Ravindrachary, V., Praveena, S. D. & Mahesha, M. G., 01-03-2018, In : Radiation Physics and Chemistry. 144, p. 194-203 10 p.

Research output: Contribution to journalArticle

electron irradiation
positron annihilation
polymethyl methacrylate
chromophores
dosage
1 Citation (Scopus)

Gamma irradiation effects on Al/n-Si Schottky junction properties

Vali, I. P., Shetty, P. K., Mahesha, M. G., Keshav, R., Sathe, V. G., Phase, D. M. & Choudhary, R. J., 01-12-2018, In : Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 436, p. 191-197 7 p.

Research output: Contribution to journalArticle

Irradiation
irradiation
Crystals
Band structure
Dosimetry