Research Output 1992 2020

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1 Citation (Scopus)

‘Forbidden’ intersubband optical transitions in quantum well structures in a tilted magnetic field

Telenkov, M. P., Mityagin, Y. A., Doan, T. N. V. & Nagaraja, K. K., 08-2018, In : Journal of Physics Communications. 2, 8, 085019.

Research output: Contribution to journalArticle

Open Access
optical transition
quantum wells
profiles
magnetic fields
light emission
41 Citations (Scopus)

χ(3) and optical power limiting measurements of Polyaniline and its derivative Poly (o-toluidine) under CW regime

Pramodini, S., Poornesh, P., Sudhakar, Y. N. & Kumar, M. S., 15-04-2013, In : Optics Communications. 293, p. 125-132 8 p.

Research output: Contribution to journalArticle

2-toluidine
Polyaniline
Refractive index
nonlinearity
Derivatives
85 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
2 Citations (Scopus)

X-ray photoelectron spectroscopy, Raman and photoluminescence studies on formation of defects in Cu:ZnO thin films and its role in nonlinear optical features

Antony, A., Poornesh, P., Kityk, I. V., Ozga, K., Jedryka, J., Rakus, P. & Wojciehcowski, A., 01-09-2018, In : Laser Physics. 28, 9, 095405.

Research output: Contribution to journalArticle

Photoluminescence
X ray photoelectron spectroscopy
photoelectron spectroscopy
photoluminescence
Thin films
Borates
Bismuth
borates
illuminating
bismuth
21 Citations (Scopus)

Vertical profiles and enrichment pattern of natural radionuclides in monazite areas of coastal Kerala

Shetty, P. K., Narayana, Y. & Siddappa, K., 01-01-2006, In : Journal of Environmental Radioactivity. 86, 1, p. 132-142 11 p.

Research output: Contribution to journalArticle

Monazite
monazite
Radioisotopes
vertical profile
radionuclide
9 Citations (Scopus)

Variation of radiation level and radionuclide enrichment in high background area

Shetty, P. K. & Narayana, Y., 01-12-2010, In : Journal of Environmental Radioactivity. 101, 12, p. 1043-1047 5 p.

Research output: Contribution to journalArticle

Radioisotopes
radionuclide
Radiation
Gamma Rays
Beaches
8 Citations (Scopus)

Using metal/organic junction engineering to prepare an efficient organic base-modulation triode and its inverter

Cheng, S. S., Chen, J. H., Chen, G. Y., Kekuda, D., Wu, M. C. & Chu, C. W., 01-12-2009, In : Organic Electronics: physics, materials, applications. 10, 8, p. 1636-1640 5 p.

Research output: Contribution to journalArticle

Triodes
triodes
Metals
Modulation
engineering
9 Citations (Scopus)

Tuning the third-order nonlinear optical properties of In: ZnO thin films by 8 MeV electron beam irradiation

Shettigar, N., Pramodini, S., Kityk, I. V., Abd-Lefdil, M., Eljald, E. M., Regragui, M., Antony, A., Rao, A., Sanjeev, G., Ajeyakashi, K. C. & Poornesh, P., 01-11-2017, In : Journal of Physics and Chemistry of Solids. 110, p. 260-265 6 p.

Research output: Contribution to journalArticle

Electron beams
Optical properties
Tuning
tuning
Irradiation
10 Citations (Scopus)

Tuning optical, electrical and magnetic properties of fiber structured ZnO film by deposition temperature and precursor concentration

Sindhu, H. S., Joishy, S., Rajendra, B. V., Rao, A., Gaonkar, M., Kulkarni, S. D. & Babu, P. D., 01-09-2017, In : Materials Science in Semiconductor Processing. 68, p. 97-107 11 p.

Research output: Contribution to journalArticle

Magnetic properties
Electric properties
Optical properties
Tuning
electrical properties
5 Citations (Scopus)

Tuning of Schottky barrier height of Al/n-Si by electron beam irradiation

Vali, I. P., Shetty, P. K., Mahesha, M. G., Petwal, V. C., Dwivedi, J. & Choudhary, R. J., 15-06-2017, In : Applied Surface Science. 407, p. 171-176 6 p.

Research output: Contribution to journalArticle

Electron beams
Tuning
Irradiation
Dosimetry
Metals
4 Citations (Scopus)

Third order optical non-linearity of a novel chalcone derivative through Z scan technique

Janardhana, K., Ravindrachary, V., Kumar, P. C. R., Umesh, G., Manjunatha, K. B. & Ismayil, 01-12-2013, In : Indian Journal of Pure and Applied Physics. 51, 12, p. 844-850 7 p.

Research output: Contribution to journalArticle

apertures
nonlinearity
phenols
YAG lasers
refraction
24 Citations (Scopus)

Third-order nonlinear optical susceptibilities of new copolymers containing alternate 3,4-dialkoxythiophene and (1,3,4-oxadiazolyl)pyridine moieties

Hegde, P. K., Adhikari, A. V., Manjunatha, M. G., Poornesh, P. & Umesh, G., 01-04-2009, In : Optical Materials. 31, 6, p. 1000-1006 7 p.

Research output: Contribution to journalArticle

Pyridine
pyridines
copolymers
Copolymers
magnetic permeability
10 Citations (Scopus)

Third-order nonlinear optical studies of anthraquinone dyes using a CW He-Ne laser

Pramodini, S. & Poornesh, P., 01-01-2014, In : Laser Physics. 24, 5, 055402.

Research output: Contribution to journalArticle

anthraquinones
Dyes
dyes
Lasers
lasers
20 Citations (Scopus)

Third order nonlinear optical studies of 1-(4-chloro phenyl)-3-(4- dimethylamino phenyl) prop-2-en-1-one

Janardhana, K., Ravindrachary, V., Rajesh Kumar, P. C., Yogisha & Ismayil, 08-02-2013, In : Journal of Crystal Growth. 368, p. 11-20 10 p.

Research output: Contribution to journalArticle

Refraction
Melting point
Single crystals
crystals
melting points
26 Citations (Scopus)

Third-order nonlinear optical response of indigo carmine under 633 nm excitation for nonlinear optical applications

Pramodini, S. & Poornesh, P., 01-01-2014, In : Optics and Laser Technology. 63, p. 114-119 6 p.

Research output: Contribution to journalArticle

Indigo Carmine
Coloring Agents
Dyes
nonlinearity
apertures
117 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
14 Citations (Scopus)
Chalcone
Optical properties
Crystal structure
Derivatives
optical properties
23 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
1 Citation (Scopus)

Thickness and oxygen partial pressure dependence on optical band gap of indium oxide by reactive evaporation method

Muhammed Ali, A. V. & Kekuda, D., 19-09-2012, In : Journal of Applied Sciences. 12, 16, p. 1718-1721 4 p.

Research output: Contribution to journalArticle

indium oxides
pressure dependence
partial pressure
evaporation
oxygen
18 Citations (Scopus)

The third-order nonlinear optical properties of novel styryl dyes

Shettigar, S., Umesh, G., Poornesh, P., Manjunatha, K. B. & Asiri, A. M., 01-11-2009, In : Dyes and Pigments. 83, 2, p. 207-210 4 p.

Research output: Contribution to journalArticle

Coloring Agents
Azo Compounds
Photons
Dyes
Optical properties
6 Citations (Scopus)

Thermoelectric properties of p-type sb-doped Cu2SnSe3 near room and mid temperature applications

Prasad, K. S., Rao, A., Chauhan, N. S., Bhardwaj, R., Vishwakarma, A. & Tyagi, K., 01-02-2018, In : Applied Physics A: Materials Science and Processing. 124, 2, 98.

Research output: Contribution to journalArticle

Seebeck coefficient
Fermi level
Gene Conversion
Spark plasma sintering
Valence bands
7 Citations (Scopus)

Thermal transport in (Y,Gd)Ba2(Cu1-xMn x)3O7-δ for x≤0.02

Gahtori, B., Lal, R., Agarwal, S. K., Ahsan, M. A. H., Rao, A., Lin, Y. F., Sivakumar, K. M. & Kuo, Y. K., 27-06-2007, In : Journal of Physics Condensed Matter. 19, 25, 256212.

Research output: Contribution to journalArticle

Thermoelectric power
Thermal conductivity
thermal conductivity
Lattice theory
Electrons
1 Citation (Scopus)

Thermal properties of Pr2/3Sr1/3MnO3 manganites: PdO composites

Rao, A., Manjunatha, S. O., Bhatt, R. C., Awana, V. P. S., Lin, C. F., Kuo, Y. K. & Poornesh, P., 01-10-2017, In : Solid State Communications. 265, p. 37-40 4 p.

Research output: Contribution to journalArticle

Manganites
Seebeck effect
thermal conductivity
Thermodynamic properties
thermodynamic properties
22 Citations (Scopus)

Thermal properties of La2/3Ba1/3(Mn1-xSbx)O3 manganites

Sen, V., Bhalla, G. L., Panwar, N., Syu, W. K., Kaurav, N., Kuo, Y. K., Rao, A. & Agarwal, S. K., 01-01-2010, In : Physica B: Condensed Matter. 405, 1, p. 1-4 4 p.

Research output: Contribution to journalArticle

Manganites
Thermodynamic properties
thermodynamic properties
Doping (additives)
thermal conductivity

Thermal properties of La0.7Ca0.2Sr0.1MnO3:PdO composites

Bhatt, R. C., Manjunatha, S. O., Rao, A., Thomas, R., Awana, V. P. S., Lin, C. F. & Kuo, Y. K., 01-12-2018, In : Physica B: Condensed Matter. 550, p. 117-121 5 p.

Research output: Contribution to journalArticle

thermal conductivity
Thermodynamic properties
thermodynamic properties
specific heat
Specific heat
39 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
7 Citations (Scopus)

Thermal expansion of orthorhombic and tetragonal phases of the high T c superconductors RE1Ba2Cu3O y (RE=Y, Gd, Dy)

Prakash, O. M., Rao, A., Prakash, O. & Dheer, P. N., 01-11-1993, In : Pramana. 41, 5, p. 421-428 8 p.

Research output: Contribution to journalArticle

thermal expansion
extensometers
capacitance
transition temperature
preparation
3 Citations (Scopus)

Thermal conductivity and thermo-power of Y1 - x Prx Ba2 (Cu1 - x Mx)3 O7 - δ (M = Fe,Mn,Zn and Ni) bulk superconductors

Chakraborty, T., Gahtori, B., Ahsan, M. A. H., Geetha, Chen, Y. S., Kuo, Y. K., Rao, A., Sarkar, C. K. & Agrawal, S. K., 01-03-2010, In : Solid State Communications. 150, 9-10, p. 454-457 4 p.

Research output: Contribution to journalArticle

Superconducting materials
Thermal conductivity
thermal conductivity
Doping (additives)
Phonon scattering
4 Citations (Scopus)
zinc tellurides
Bismuth
bismuth
Zinc
Doping (additives)
8 Citations (Scopus)

The low and high temperature thermoelectric properties of Sb doped Cu2SnSe3

Prasad K, S., Rao, A., Gahtori, B., Bathula, S., Dhar, A., Du, J. S. & Kuo, Y. K., 01-11-2016, In : Materials Research Bulletin. 83, p. 160-166 7 p.

Research output: Contribution to journalArticle

Seebeck coefficient
Point defects
Diffraction patterns
Thermal conductivity
Substitution reactions
2 Citations (Scopus)

The influence of Mn doping on the thermal expansion of the high T C superconductor YBa2(Cu1-xMnx) 3Oy

Rao, A., Radheshyam, S., Kumar, R., Gupta, S., Meingast, C., Gahtori, B., Agarwal, S. K., Sivakumar, K. M. & Kuo, Y. K., 07-02-2007, In : Journal of Physics Condensed Matter. 19, 5, 056208.

Research output: Contribution to journalArticle

Superconducting materials
Thermal expansion
thermal expansion
Doping (additives)
extensometers

The effects of γ rays and electron beam on Eu3+ + Sm3+ and Eu3+ + Nd3+ co-doped lead fluoroborate glasses

Wagh, A., Hegde, V., Lakshminarayana, G., Viswanath, C. S. D., Raviprakash, Y. & Kamath, S. D., 01-09-2018, In : Materials Research Express. 5, 9, 095204.

Research output: Contribution to journalArticle

Electron beams
Glass
Dosimetry
Hardness
Irradiation
1 Citation (Scopus)

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
8 Citations (Scopus)

The effect of substrate vibration on mobility coalescence in silver island films

Pattabi, M., Uchil, J. & Mohan Rao, K., 01-01-1997, In : Thin Solid Films. 305, 1-2, p. 196-200 5 p.

Research output: Contribution to journalArticle

Coalescence
Silver
coalescing
silver
Aging of materials
35 Citations (Scopus)

The effect of substrate temperature on the structural, optical and electrical properties of vacuum deposited ZnTe thin films

Rao, G. K., Bangera, K. V. & Shivakumar, G. K., 11-08-2009, In : Vacuum. 83, 12, p. 1485-1488 4 p.

Research output: Contribution to journalArticle

zinc tellurides
Zinc
Structural properties
Electric properties
Optical properties
18 Citations (Scopus)

The effect of solvent induced crystallinity of polymer layer on poly(3-hexylthiophene)/C70 bilayer solar cells

Kekuda, D., Lin, H. S., Chyi Wu, M., Huang, J. S., Ho, K. C. & Chu, C. W., 01-02-2011, In : Solar Energy Materials and Solar Cells. 95, 2, p. 419-422 4 p.

Research output: Contribution to journalArticle

Solar cells
Polymers
Boiling point
Excitons
Sun
2 Citations (Scopus)
Silver
silver
Substrates
atmospheres
Gages
18 Citations (Scopus)

The effect of magnetic field on the ageing of island silver films for successive depositions

Uchil, J., Mohan Rao, K. & Pattabi, M., 14-12-1996, In : Journal of Physics D: Applied Physics. 29, 12, p. 2992-2996 5 p.

Research output: Contribution to journalArticle

Silver
Aging of materials
silver
Magnetic fields
magnetic fields
2 Citations (Scopus)

The effect of electron irradiation on the structure and the optical properties of silver particulate films deposited on modified thermoplastic polymer substrates

Kakkrannaya, A. R., Rao, K. M., Tolpadi, A., Sanjeev, G. & Pattabi, M., 01-03-2016, In : Applied Physics A: Materials Science and Processing. 122, 3, p. 1-10 10 p., 221.

Research output: Contribution to journalArticle

Electron irradiation
Polystyrenes
Silver
Thermoplastics
Polymers
1 Citation (Scopus)

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
13 Citations (Scopus)

The effect of 1.25 MeV γ rays on Sm3+ doped lead fluoroborate glasses for reddish orange laser and radiation shielding applications

Wagh, A., Hegde, V., Dwaraka Viswanath, C. S., Lakshminarayana, G., Raviprakash, Y. & Kamath, S. D., 01-07-2018, In : Journal of Luminescence. 199, p. 87-108 22 p.

Research output: Contribution to journalArticle

Radiation shielding
radiation shielding
Glass
shielding
rays
4 Citations (Scopus)

Temperature dependent transport properties of CuInSe2-ZnO heterostructure solar Cell

Dhananjay, Nagaraju, J. & Krupanidhi, S. B., 01-08-2006, In : Journal of Physics and Chemistry of Solids. 67, 8, p. 1636-1642 7 p.

Research output: Contribution to journalArticle

Transport properties
Heterojunctions
Solar cells
solar cells
transport properties
7 Citations (Scopus)
Photonic devices
Optical band gaps
Zinc
Photoluminescence
zinc
10 Citations (Scopus)

Synthesis and evaluation of biological and nonlinear optical properties of some novel 2,4-disubstituted [1,3]-thiazoles carrying 2-(aryloxymethyl)-phenyl moiety

Naveena, C. S., Poojary, B., Arulmoli, T., Manjunatha, K., Prabhu, A. & Kumari, N. S., 01-04-2013, In : Medicinal Chemistry Research. 22, 4, p. 1925-1937 13 p.

Research output: Contribution to journalArticle

Thiazoles
Anti-Inflammatory Agents
Optical properties
Nuclear magnetic resonance
Benzoates
63 Citations (Scopus)

Synthesis and characterization of a narrow-bandgap polymer containing alternating cyclopentadithiophene and diketo-pyrrolo-pyrrole units for solar cell applications

Chen, G. Y., Chiang, C. M., Kekuda, D., Lan, S. C., Chu, C. W. & Wei, K. H., 01-04-2010, In : Journal of Polymer Science, Part A: Polymer Chemistry. 48, 7, p. 1669-1675 7 p.

Research output: Contribution to journalArticle

Pyrroles
Solar cells
Polymers
Energy gap
Conjugated polymers
31 Citations (Scopus)

Synthesis and applications of main-chain Ru(ii) metallo-polymers containing bis-terpyridyl ligands with various benzodiazole cores for solar cells

Padhy, H., Sahu, D., Chiang, I. H., Patra, D., Kekuda, D., Chu, C. W. & Lin, H. C., 28-01-2011, In : Journal of Materials Chemistry. 21, 4, p. 1196-1205 10 p.

Research output: Contribution to journalArticle

Solar cells
Polymers
Ligands
Butyric Acid
Butyric acid
59 Citations (Scopus)

Synthesis and applications of low-bandgap conjugated polymers containing phenothiazine donor and various benzodiazole acceptors for polymer solar cells

Padhy, H., Huang, J. H., Sahu, D., Patra, D., Kekuda, D., Chu, C. W. & Lin, H. C., 01-11-2010, In : Journal of Polymer Science, Part A: Polymer Chemistry. 48, 21, p. 4823-4834 12 p.

Research output: Contribution to journalArticle

Conjugated polymers
Polymers
Energy gap
Butyric acid
Electron energy levels
35 Citations (Scopus)

Synthesis and applications of 2,7-carbazole-based conjugated main-chain copolymers containing electron deficient bithiazole units for organic solar cells

Patra, D., Sahu, D., Padhy, H., Kekuda, D., Chu, C. W. & Lin, H. C., 01-12-2010, In : Journal of Polymer Science, Part A: Polymer Chemistry. 48, 23, p. 5479-5489 11 p.

Research output: Contribution to journalArticle

Copolymers
Butyric acid
Butyric Acid
Electrons
Esters
32 Citations (Scopus)

Synthesis and application of H-Bonded cross-linking polymers containing a conjugated pyridyl H-Acceptor side-chain polymer and various carbazole-based H-Donor dyes bearing symmetrical cyanoacrylic acids for organic solar cells

Sahu, D., Padhy, H., Patra, D., Kekuda, D., Chu, C. W., Chiang, I. H. & Lin, H. C., 10-12-2010, In : Polymer. 51, 26, p. 6182-6192 11 p.

Research output: Contribution to journalArticle

Bearings (structural)
Polymers
Coloring Agents
Dyes
Hydrogen