• 424 Citations
  • 10 h-Index
20112019
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Research Output 2011 2019

  • 424 Citations
  • 10 h-Index
  • 31 Article
  • 4 Conference contribution
  • 2 Conference article
  • 1 Review article
2019

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
2018

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
2 Citations (Scopus)

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

Kinetics of intrasubband electron energy relaxation in quantum wells in a quantizing magnetic field

Telenkov, M. P., Mityagin, Y. A., Doan, T. N. V. & Nagaraja, K. K., 01-10-2018, In : Physica E: Low-Dimensional Systems and Nanostructures. 104, p. 11-15 5 p.

Research output: Contribution to journalArticle

Semiconductor quantum wells
quantum wells
electron energy
Magnetic fields
Kinetics
1 Citation (Scopus)

Structural and complex impedance properties of Zn2+ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method

Santhosh Kumar, M. V., Shankarmurthy, G. J., Melagiriyappa, E., Nagaraja, K. K., Jayanna, H. S. & Telenkov, M. P., 01-08-2018, In : Journal of Materials Science: Materials in Electronics. 29, 15, p. 12795-12803 9 p.

Research output: Contribution to journalArticle

citrates
Dielectric losses
Citric Acid
Ferrite
Zinc
2017
5 Citations (Scopus)

Effect of gamma irradiation on some electrical and dielectric properties of Ce3+ substituted Ni–Zn nano ferrites

Chandamma, N., Kumar M. V., S., Shankarmurthy, G. J., Melagiriyappa, E. & Nagaraja, K. K., 01-08-2017, In : Chinese Journal of Physics. 55, 4, p. 1729-1738 10 p.

Research output: Contribution to journalArticle

dielectric properties
ferrites
electrical properties
irradiation
cerium
4 Citations (Scopus)

GaAs(1-x)Bix: A Promising Material for Optoelectronics Applications

Nagaraja, K. K., Mityagin, Y. A., Telenkov, M. P. & Kazakov, I. P., 04-05-2017, In : Critical Reviews in Solid State and Materials Sciences. 42, 3, p. 239-265 27 p.

Research output: Contribution to journalReview article

Photonic devices
Bismuth
Alloying
Electronic properties
Optoelectronic devices
5 Citations (Scopus)

Nonlinear optical properties of polyaniline and poly (o-toluidine) composite thin films with multi walled carbon nano tubes

Nagaraja, K. K., Pramodini, S., Poornesh, P., Telenkov, M. P. & Kityk, I. V., 01-05-2017, In : Physica B: Condensed Matter. 512, p. 45-53 9 p.

Research output: Contribution to journalArticle

2-toluidine
Composite films
Polyaniline
Carbon
Optical properties

Resonant tunneling GaAs/AlGaAs quantum well structures for p-i-n photovoltaic cells

Nagaraja, K. K., Telenkov, M. P., Kazakov, I. P., Savinov, S. A. & Mityagin, Y. A., 01-03-2017, In : Bulletin of the Lebedev Physics Institute. 44, 3, p. 72-76 5 p.

Research output: Contribution to journalArticle

photovoltaic cells
resonant tunneling
aluminum gallium arsenides
quantum wells
p-i-n junctions
2016

Development of GaAs/AlGaAs quantum well structures providing a resonant tunneling regime in an electric field of p-i-n junction

Nagaraja, K. K., Telenkov, M. P., Kazakov, I. P., Savinov, S. A. & Mityagin, Y. A., 01-01-2016, In : Materials Today: Proceedings. 3, 8, p. 2744-2747 4 p.

Research output: Contribution to journalArticle

Resonant tunneling
Semiconductor quantum wells
Electric fields
Molecular beam epitaxy
Solar cells
7 Citations (Scopus)

Fabrication and performance evaluation of hybrid supercapacitor electrodes based on carbon nanotubes and sputtered TiO2

Aravinda, L. S., Nagaraja, K. K., Nagaraja, H. S., Bhat, K. U. & Bhat, B. R., 23-06-2016, In : Nanotechnology. 27, 31, 314001.

Research output: Contribution to journalArticle

Carbon Nanotubes
Carbon nanotubes
Fabrication
Electrodes
Titanium dioxide
7 Citations (Scopus)

Influence of annealing on the linear and nonlinear optical properties of Mn doped ZnO thin films examined by z-scan technique in CW regime

Nagaraja, K. K., Pramodini, S., Poornesh, P., Rao, A. & Nagaraja, H. S., 01-08-2016, In : Optical Materials. 58, p. 373-381 9 p.

Research output: Contribution to journalArticle

Zinc Oxide
Manganese
Zinc oxide
Oxide films
continuous radiation
2015
2 Citations (Scopus)

Ambipolar behavior of Te and its effect on the optical emission of ZnO: Te epitaxial thin film

Sahu, R., Dileep, K., Negi, D. S., Nagaraja, K. K. & Datta, R., 01-08-2015, In : Physica Status Solidi (B) Basic Research. 252, 8, p. 1743-1748 6 p.

Research output: Contribution to journalArticle

Bending (forming)
Epitaxial films
light emission
Thin films
Optical band gaps

Energy relaxation mechanism in Landau level system of quantum wells

Telenkov, M. P., Mityagin, Y. A., Agafonov, V. V. & Nagaraja, K. K., 01-12-2015, In : Bulletin of the Lebedev Physics Institute. 42, 12, p. 343-345 3 p.

Research output: Contribution to journalArticle

quantum wells
energy
phonons
relaxation time
kinetics

Fabrication and characterization of ZnO/AI/ZnO multilayers by simultaneous DC and RF magnetron sputtering

Nagaraja, K. K., Kumar, A. S. & Nagaraja, H. S., 01-01-2015, In : IOP Conference Series: Materials Science and Engineering. 73, 1, 012071.

Research output: Contribution to journalConference article

Open Access
Opacity
Magnetron sputtering
Multilayers
Electric properties
Optical properties

Intersubband population inversion in landau level system in resonant tunneling quantum well structures with asymmetric double quantum well period

Telenkov, M. P., Mityagin, Y. A., Kutsevol, A. A., Agafonov, V. V. & Nagaraja, K. K., 01-01-2015, In : JETP Letters. 100, 10, p. 644-647 4 p.

Research output: Contribution to journalArticle

population inversion
resonant tunneling
quantum wells
dipoles
matrices
1 Citation (Scopus)

Mechanism of energy relaxation in the system of Landau levels in quantum wells

Telenkov, M. P., Mityagin, Y. A., Agafonov, V. V. & Nagaraja, K. K., 01-11-2015, In : JETP Letters. 102, 10, p. 678-682 5 p.

Research output: Contribution to journalArticle

quantum wells
energy
electrons
relaxation time
electron energy
3 Citations (Scopus)

Polymer assisted preparation and characterization of ZnO and Sn doped ZnO nanostructures

Kumar, A. S., Nagaraja, K. K. & Nagaraja, H. S., 01-01-2015, In : IOP Conference Series: Materials Science and Engineering. 73, 1, 012077.

Research output: Contribution to journalConference article

Open Access
Zinc Oxide
Zinc oxide
Nanostructures
Polymers
Differential thermal analysis
5 Citations (Scopus)

Structural and optical property characterization of epitaxial ZnO:Te thin films grown by pulsed laser deposition

Sahu, R., Dileep, K., Negi, D. S., Nagaraja, K. K., Shetty, S. & Datta, R., 15-01-2015, In : Journal of Crystal Growth. 410, p. 69-76 8 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
pulsed laser deposition
Structural properties
Optical properties
Oxygen
7 Citations (Scopus)

Surface modification induced photoluminescence enhancement of GaN nanowall network grown on c-sapphire

Thakur, V., Nayak, S. K., Nagaraja, K. K. & Shivaprasad, S. M., 30-05-2015, In : Electronic Materials Letters. 11, 3, p. 398-403 6 p.

Research output: Contribution to journalArticle

Nitridation
Aluminum Oxide
Sapphire
Surface treatment
Photoluminescence
2014
6 Citations (Scopus)

Crystallographic phase separation and band gap of ZnO1-xSx(x=0.1-0.3) alloy thin films grown by pulsed laser deposition

Dileep, K., Sahu, R., Nagaraja, K. K. & Datta, R., 01-01-2014, In : Journal of Crystal Growth. 402, p. 124-129 6 p.

Research output: Contribution to journalArticle

Buffer layers
Pulsed laser deposition
Phase separation
pulsed laser deposition
Energy gap

Improved structural quality of GaN nanowall network grown on pre-nitrided c-sapphire

Thakur, V., Nayak, S. K., Nagaraja, K. K. & Shivaprasad, S. M., 01-01-2014, 2014 IEEE 2nd International Conference on Emerging Electronics: Materials to Devices, ICEE 2014 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 7151177. (2014 IEEE 2nd International Conference on Emerging Electronics: Materials to Devices, ICEE 2014 - Conference Proceedings).

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

Sapphire
Nitridation
Nitriding
Full width at half maximum
Molecular beam epitaxy
10 Citations (Scopus)

Preparation, characterization and photoelectrochemical properties of hydrophilic Sn doped TiO2 nanostructures

Kumar, A. S., Nagaraja, K. K., Huang, N. M. & Nagaraja, H. S., 15-05-2014, In : Materials Letters. 123, p. 149-152 4 p.

Research output: Contribution to journalArticle

Photocurrents
Contact angle
Nanostructures
Doping (additives)
Irradiation
4 Citations (Scopus)

Spontaneous growth of In x Ga 1-x N nanostructures directly on c-plane sapphire by plasma assisted molecular beam epitaxy

De, A., Nagaraja, K. K., Tangi, M. & Shivaprasad, S. M., 01-09-2014, In : Materials Research Express. 1, 3, 035019.

Research output: Contribution to journalArticle

Aluminum Oxide
Growth temperature
Molecular beam epitaxy
Sapphire
Nanostructures
6 Citations (Scopus)

Structural, linear, and nonlinear optical properties of radio frequency-sputtered nitrogen-doped ZnO thin films studied using z-scan technique

Nagaraja, K. K., Pramodini, S., Santhosh Kumar, A., Nagaraja, H. S. & Poornesh, P., 01-01-2014, In : Laser Physics. 24, 8, 085402.

Research output: Contribution to journalArticle

radio frequencies
Optical properties
Nitrogen
optical properties
nitrogen
22 Citations (Scopus)

Third harmonic generation process in Al doped ZnO thin films

Abd-Lefdil, M., Douayar, A., Belayachi, A., Reshak, A. H., Fedorchuk, A. O., Pramodini, S., Poornesh, P., Nagaraja, K. K. & Nagaraja, H. S., 01-01-2014, In : Journal of Alloys and Compounds. 584, p. 7-12 6 p.

Research output: Contribution to journalArticle

Harmonic generation
Thin films
Laser pulses
Refractive index
Glass
2013
42 Citations (Scopus)

Effect of annealing on the structural and nonlinear optical properties of ZnO thin films under cw regime

Nagaraja, K. K., Pramodini, S., Poornesh, P. & Nagaraja, H. S., 06-02-2013, In : Journal of Physics D: Applied Physics. 46, 5, 055106.

Research output: Contribution to journalArticle

continuous radiation
Optical properties
Annealing
optical properties
Thin films
10 Citations (Scopus)

Effect of Sn doping on structural, optical, electrical and wettability properties of oriented ZnO nanorod arrays

Santhosh Kumar, A., Nagaraja, K. K. & Nagaraja, H. S., 01-10-2013, In : Journal of Materials Science: Materials in Electronics. 24, 10, p. 3812-3822 11 p.

Research output: Contribution to journalArticle

wettability
Nanorods
nanorods
Wetting
electrical properties

Growth and temperature dependent electrical properties of ZnO nanostructures

Kumar, A. S., Nagaraja, K. K. & Nagaraja, H. S., 18-07-2013, Proceeding of International Conference on Recent Trends in Applied Physics and Material Science, RAM 2013. p. 263-264 2 p. (AIP Conference Proceedings; vol. 1536).

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

zinc oxides
alcohols
electrical properties
nanorods
electrical resistivity
24 Citations (Scopus)

Magnetron sputtered MoO3/carbon nanotube composite electrodes for electrochemical supercapacitor

Aravinda, L. S., Nagaraja, K. K., Bhat, K. U. & Bhat, B. R., 01-01-2013, In : Journal of Electroanalytical Chemistry. 699, p. 28-32 5 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Composite films
Carbon nanotubes
Capacitance
Multiwalled carbon nanotubes (MWCN)
1 Citation (Scopus)

Polymer assisted synthesis and characterization of fine ZnWO4

Santhoshkumar, A., Nagaraja, K. K. & Nagaraja, H. S., 15-04-2013, Advances in Nanoscience and Nanotechnology. p. 22-26 5 p. (Advanced Materials Research; vol. 678).

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

Powders
Polymers
Crystallite size
Phosphors
Differential thermal analysis
10 Citations (Scopus)

Robust room temperature ferromagnetism in epitaxial CoO thin film

Negi, D. S., Loukya, B., Dileep, K., Sahu, R., Nagaraja, K. K., Kumar, N. & Datta, R., 09-12-2013, In : Applied Physics Letters. 103, 24, 242407.

Research output: Contribution to journalArticle

halites
cathodoluminescence
ferromagnetism
pulsed laser deposition
coercivity
32 Citations (Scopus)

Thermally induced nonlinear optical response and optical power limiting of acid blue 40 dye

Pramodini, S., Poornesh, P. & Nagaraja, K. K., 01-01-2013, In : Current Applied Physics. 13, 7, p. 1175-1182 8 p.

Research output: Contribution to journalArticle

Refraction
Coloring Agents
Dyes
Diffraction
dyes
108 Citations (Scopus)

Third-order nonlinear optical properties of Mn doped ZnO thin films under cw laser illumination

Nagaraja, K. K., Pramodini, S., Santhosh Kumar, A., Nagaraja, H. S., Poornesh, P. & Kekuda, D., 01-01-2013, In : Optical Materials. 35, 3, p. 431-439 9 p.

Research output: Contribution to journalArticle

Optical properties
Lighting
illumination
optical properties
Thin films
80 Citations (Scopus)

ZnO/carbon nanotube nanocomposite for high energy density supercapacitors

Aravinda, L. S., Nagaraja, K. K., Nagaraja, H. S., Bhat, K. U. & Bhat, B. R., 15-04-2013, In : Electrochimica Acta. 95, p. 119-124 6 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Carbon nanotubes
Nanocomposites
Composite materials
Electrodes
2012
5 Citations (Scopus)

Magnetic domain studies of cobalt nanostructures

Nagaraja, H. S., Nagaraja, K. K., Rossignol, F., Dumas-Bouchiat, F., Champeaux, C. & Catherinot, A., 01-08-2012, In : Journal of Superconductivity and Novel Magnetism. 25, 6, p. 1901-1906 6 p.

Research output: Contribution to journalArticle

Magnetic domains
magnetic domains
Cobalt
Nanostructures
cobalt
2011
3 Citations (Scopus)

Aluminum doped ZnO thin films by RF sputtering of coaxial ZnO and Al targets

Nagaraja, K. K., Kumar, A. S. & Nagaraja, H. S., 28-11-2011, Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light. p. 743-745 3 p. (AIP Conference Proceedings; vol. 1391).

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

sputtering
aluminum
thin films
zinc oxides
oxide films
12 Citations (Scopus)

Conversion of microfiltration membrane into nanofiltration membrane by vapour phase deposition of aluminium for desalination application

Padaki, M., Isloor, A. M., Nagaraja, K. K., Nagaraja, H. S. & Pattabi, M., 01-07-2011, In : Desalination. 274, 1-3, p. 177-181 5 p.

Research output: Contribution to journalArticle

Nanofiltration membranes
Microfiltration
Desalination
Aluminum
desalination