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Dive into the research topics where J. Koshy is active.

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Featured researches published by J. Koshy.


Bulletin of Materials Science | 2017

Enhanced infrared transmission characteristics of microwave-sintered \(\hbox {Y}_{2}\hbox {O}_{3}\)–\(\hbox {MgO}\) nanocomposite

C.T. Mathew; Sam Solomon; J. Koshy; Jijimon K. Thomas

Infrared (IR) transparent ceramics are found to have applications in demanding defence and space missions. In this work, Y2O3\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}


OPTICS: PHENOMENA, MATERIALS, DEVICES, AND CHARACTERIZATION: OPTICS 2011:#N#International Conference on Light | 2011

Development, Characterization and Photocatalytic Activities of BiYO3 Nanoparticles under Visible Light Irradiation

V. Ratheesh Kumar; P. R. S. Wariar; V. S. Prasad; J. Koshy


NANO | 2011

SYNTHESIS, CHARACTERIZATION AND PHOTOCATALYTIC ACTIVITIES OF Ba2YbZrO5.5 NANOPARTICLES UNDER SOLAR IRRADIATION

V. Ratheesh Kumar; Vishwa Prasad; P. R. S. Wariar; J. Koshy

\hbox {Y}_{2}\hbox {O}_{3}


Journal of Advanced Ceramics | 2017

Influence of La 3+ ion in the yttria matrix in improving the microhardness of infrared transparent nano La x Y 2- x O 3 sintered via hybrid heating

Jijimon K. Thomas; C.T. Mathew; J. Koshy; Sam Solomon


Journal of Alloys and Compounds | 2008

Characterization and sintering of BaZrO3 nanoparticles synthesized through a single-step combustion process

H. Padma Kumar; C. Vijayakumar; Chandy N. George; Sam Solomon; R. Jose; J.K. Thomas; J. Koshy

\end{document}–MgO\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}


Materials Research Bulletin | 2010

Synthesis of nanocrystalline magnesium titanate by an auto-igniting combustion technique and its structural, spectroscopic and dielectric properties

M.K. Suresh; J.K. Thomas; H. Sreemoolanadhan; Chandy N. George; Annamma John; Sam Solomon; P.R.S. Wariar; J. Koshy


Journal of Alloys and Compounds | 2009

Synthesis, characterization and dielectric properties of nanocrystalline Ba2DySbO6 perovskite

C. Vijayakumar; H. Padma Kumar; V.T. Kavitha; Sam Solomon; J.K. Thomas; P.R.S. Wariar; J. Koshy

\hbox {MgO}


Physica Status Solidi (a) | 2007

Nanoparticles of SmBa2HfO5.5 through a single step auto-igniting combustion technique and their characterization

J.K. Thomas; H. Padma Kumar; Sam Solomon; Chandy N. George; K. Joy; J. Koshy


Journal of Alloys and Compounds | 2010

Nanocrystalline SrHfO3 synthesized through a single step auto-igniting combustion technique and its characterization

J.K. Thomas; H. Padma Kumar; Sam Solomon; K. C. Mathai; J. Koshy

\end{document} nanocomposites were synthesised by a modified single-step combustion technique. The characterisation of the as-prepared powder by X-ray diffraction and transmission electron microscopy revealed the presence of cubic phases of ultra-fine nanostructured Y2O3\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}


Journal of Physics and Chemistry of Solids | 2011

Characterization, sintering and dielectric properties of nanocrystalline zinc oxide prepared by a citric acid-based combustion route

V.R. Kumar; V.T. Kavitha; P.R.S. Wariar; S.U.K. Nair; J. Koshy

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K. Joy

Mar Ivanios College

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