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Sudipta Bandyopadhyay

Researcher at University of Calcutta

Publications -  84
Citations -  1666

Sudipta Bandyopadhyay is an academic researcher from University of Calcutta. The author has contributed to research in topics: Magnetization & Doping. The author has an hindex of 21, co-authored 79 publications receiving 1389 citations. Previous affiliations of Sudipta Bandyopadhyay include Indian Association for the Cultivation of Science.

Papers
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Study of structural and electrical properties of grain-boundary modified ZnO films prepared by sol–gel technique

Sudipta Bandyopadhyay, +4 more
- 01 Feb 2002 - 
TL;DR: In this paper, the electrical conductivity of ZnO films has been studied in order to elucidate the structural and electrical properties at low temperature, showing that zinc monoacetate is an intermediate product prior to the formation of zinc hydroxide.
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Structural, optical and electrical studies on sol–gel deposited Zr doped ZnO films

Goutam Paul, +3 more
- 05 Mar 2003 - 
TL;DR: In this paper, a transparent and conducting films of mixed oxides of zinc and zirconium have been prepared by sol-gel method and the optical bandgap was estimated from the reflectance and transmittance spectra.
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Structural; morphological; optical and magnetic properties of Mn doped ferromagnetic ZnO thin film

R. Karmakar, +3 more
- 15 Dec 2012 - 
TL;DR: The structural, optical and magnetic properties of the Zn1−xMnxO (0, <,x,<,0.05) thin films synthesized by solgel technique have been analyzed in the light of modification of the electronic structure and disorder developed in the samples due to Mn doping as mentioned in this paper.
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Study of optical properties of some sol-gel derived films of ZnO

Sudipta Bandyopadhyay, +2 more
- 31 Jan 2002 - 
TL;DR: In this paper, the optical transmission and reflection data for aluminum doped zinc oxide films have been analyzed and the optical absorption coefficient (α ) and hence the refractive index ( n ), extinction coefficient ( k ) and the band gap ( E g ) have been determined for these films using different methods.
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Defects induced ferromagnetism in Mn doped ZnO

Sukalyan Chattopadhyay, +6 more
- 01 Feb 2011 - 
TL;DR: In this article, single phase Mn doped ZnO samples have been synthesized by the solid-state reaction technique and all the samples were found to be ferromagnetic with clear hysteresis loops at room temperature and the maximum value for saturation magnetization (0.11μB/Mn atom) was achieved for 96h milled sample.