35 Result(s)

Article

Bismuth thickness-dependent structural and electronic properties of Bi/As₂Se₃ bilayer thin films

The structural, microstructural and electronic band gap properties of bilayer Bi/As₂Se₃ thin films prepared on glass substrate have been discussed in detail. The thin films prepared by thermal evaporation techniq...

Mukta Behera, N. C. Mishra, Ramakanta Naik in Indian Journal of Physics (2020)

Article

Magnetism in BiFe_1−xNi_xO₃: studied through electron spin resonance spectroscopy

The effect of Ni do** in BiFe_1−xNi_xO₃ (BFNO) multiferroics are studied by X-ray diffraction (XRD), Fourier transmission infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS), hysteresis loop (M–H...

M. R. Biswal, J. Nanda, N. C. Mishra… in Journal of Materials Science: Materials in… (2018)

Article

Effect of cobalt implantation on structural and optical properties of rutile TiO₂(110)

Photo-absorption properties of Co implantation in rutile TiO₂(110) have been investigated. Nearly five times enhancement in absorbance of visible light and 1.7 times increase in UV light have been observed. Forma...

Shalik Ram Joshi, B. Padmanabhan, Anupama Chanda, V. K. Malik… in Applied Physics A (2016)

Article

Swift heavy ion irradiation induced modification of structure and surface morphology of BiFeO₃ thin film

BiFeO₃ (BFO) thin films of thickness about 800 nm deposited on Si (100) substrates by sol–gel spin coating method were irradiated by 200 MeV Ag ions. Modification of structure and surface morphology of the films ...

B N DASH, P MALLICK, P DASH, R BISWAL, JAI PRAKASH… in Bulletin of Materials Science (2013)

Article

Observation of grain growth in swift heavy ion irradiated NiO thin films

NiO thin films grown on Si(100) substrates by electron beam evaporation, were sintered at 500 °C and 700 °C. The films were irradiated with 120 MeV Au⁹⁺ ions. Irradiation had different effects depending upon the ...

P. Mallick, Chandana Rath, J. K. Dash, R. Biswal… in Indian Journal of Physics (2010)

Article

Swift heavy ion irradiation induced modification of BiFeO₃ thin films prepared by sol-gel method

We report the preparation of multiferroic BiFeO₃ thin films on ITO coated glass substrates through sol-gel spin coating method followed by thermal annealing and their modification by swift heavy ion (SHI) irradia...

B. N. Dash, Priyadarshini Dash, Haripriya Rath, P. Mallick… in Indian Journal of Physics (2010)

Article

Surface modifications of ultra-thin gold films by swift heavy ion irradiation

Gold films of thickness 10 and 20 nm grown on float glass substrate by thermal evaporation technique were irradiated with 107 MeV Ag⁸⁺ and 58 MeV Ni⁵⁺ ions at different fluences and characterized by Grazing Incid...

P. Dash, P. Mallick, H. Rath, B. N. Dash, A. Tripathi… in Indian Journal of Physics (2010)

Article

Structural and magnetic properties of Fe doped NiO

Mott-Hubbard anti-ferromagnetic insulator, NiO shows p-type semiconducting behaviour due to vacancy at Ni²⁺ site in its bunsenite structure. We report the modification of structural and magnetic order in NiO on F...

P. Mallick, Chandana Rath, R. Biswal, N. C. Mishra in Indian Journal of Physics (2009)

Article

Evolution of phase purity and texture on annealing of BiFeO₃ thin film prepared by sol-gel technique

We report preparation of phase pure BiFeO₃ thin films on glass, ITO and Si(100) substrates through chemical route using spin coating technique. Sol-gel process was adopted to prepare the films using bismuth nitra...

Priyadarshini Dash, B. N. Dash, Haripriya Rath, Chandana Rath… in Indian Journal of Physics (2009)

Article

Effect of cobalt substitution on microstructure and magnetic properties in ZnO nanoparticles

Ferromagentic semiconductors have been actively pursued because of their potential as spin polarized carrier sources and easy integration into semiconductor technology. One such material, ZnO has been shown to...

Chandana Rath, Sonal Singh, P. Mallick, D. Pandey, N. P. Lalla… in Indian Journal of Physics (2009)

Article

Effect of thermal annealing on the structure and microstructure of TiO₂ thin films

Nanostructured TiO₂ thin films have been prepared through chemical route using sol-gel and spin coating techniques. The deposited films were annealed in the temperature range 400–1000°C for 1 h. The structure and...

Haripriya Rath, S. Anand, M. Mohapatra, Priyadarshini Dash… in Indian Journal of Physics (2009)

Article

Irradiation induced grain growth and surface emission enhancement of chemically tailored ZnS : Mn/PVOH nanoparticles by Cl⁺⁹ ion impact

Manganese doped zinc sulfide nanoparticles are fabricated on polyvinyl alcohol dielectric matrix. They are bombarded with energetic chlorine ions (100 MeV). The size of the crystallites is found to increase wi...

D. Mohanta, S. S. Nath, N. C. Mishra, A. Choudhury in Bulletin of Materials Science (2003)

Article

DC Electrical Resistivity Study of Granularity in YBa₂CU₃O₇/Ag Composites

Temperature-dependent electrical resistivity in a set of YBa₂Cu₃O_7−x /Ag composites, all prepared under an identical sintering schedule, is analyzed to extract granularity information. The weak-link resistivity ρ

D. Behera, K. Patnaik, N. C. Mishra in Journal of Superconductivity (1998)

Article

Characterization of Nd–YAG Powder for Laser Crystal Growth

A. M. George, N. C. Mishra, N. P. Karanjikar… in Journal of Materials Science Letters (1998)

Article

Electrical resistivity of La0.7A0.3O3 (A = Ca, Sr and Ba) at low temperature

Abstracts are not published in this journal

A. M. George, N. C. Mishra, C. G. Sivan Pillai in Journal of Materials Science Letters (1997)

Article

Electrical resistivity of La_0.7A_0.3MnO₃ (A=Ca, Sr and Ba) at low temperature

A. M. George, N. C. Mishra, C. G. Sivan Pillai in Journal of Materials Science Letters (1997)