A
Ashok Kumar
Researcher at Council of Scientific and Industrial Research
Publications - 173
Citations - 4289
Ashok Kumar is an academic researcher from Council of Scientific and Industrial Research. The author has contributed to research in topics: Ferroelectricity & Dielectric. The author has an hindex of 31, co-authored 173 publications receiving 3534 citations. Previous affiliations of Ashok Kumar include National Physical Laboratory & University of Puerto Rico, Río Piedras.
Papers
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Isolation and characterization of pollen specific promoters from arabidopsis-thaliana
Michael R. Roberts,F. Robson,Robert P. Blundell,Gary D. Foster,Ashok Kumar,John Draper,Rod J. Scott +6 more
Journal ArticleDOI
Ferri-magnetic order in Mn induced spinel Co3−xMnxO4 (0.1≤x≤1.0) ceramic compositions
TL;DR: In this article, structural and magnetic properties of spinel Co 3− x Mn x O 4 (x = 0.1 − 1.0) synthesized by solid state reaction technique are reported.
Patent
Multi-states nonvolatile opto-ferroelectric memory material and process for preparing the same thereof
TL;DR: In this paper, a multi-states nonvolatile opto-ferroelectric memory element consisting of optoferro-electric memory material comprised of Pb 1-x (Bi 0.5 Li 0.4 ) x (Ti 1-y Zr y )O 3, wherein x=0.2 to 0.8 and y=0.2 to0.6, said memory material (PBLZT) photovoltaic ferroelectric material is characterized by a single-phase opto-, single phase and multi-state ferro
Journal ArticleDOI
A comparative X-ray diffraction study of ferroelectric thin films and superlattices
Yu. A. Tikhonov,I. N. Zakharchenko,Anna G. Razumnaya,Yury I. Yuzyuk,Sh. Pavunny,Nora Ortega,Ashok Kumar,Ram S. Katiyar +7 more
TL;DR: In this paper, a number of ferroelectric thin films with various barium concentration and two sets of superlattices with different composition and number of constituent layers were investigated using X-ray diffraction.
Journal ArticleDOI
Flexoelectricity in Bulk and Nanoscale Polar and Non-Polar Dielectrics
Ashok Kumar,Hitesh Borkar +1 more
TL;DR: Flexoelectricity is defined as the induced polarization due to strain gradient in any polar/nonpolar dielectrics, the latter effect is universal and can be generated in any materials under inhomogeneous stress as discussed by the authors.