High energy Oxygen ion irradiation effects on thin films of Sr[(Mg0.32Co0.01)Nb0.67]O3

High energy Oxygen ion irradiation effects on thin films of Sr[(Mg0.32Co0.01)Nb0.67]O3 is an open-access, peer-reviewed research paper by Bhagwanti Bishnoi1* and P.K. Mehta2, published in Volume 4, Issue 2 of the International Journal of Advanced Research in Science and Technology (IJARST), a UGC-approved journal (Print ISSN 2319-1783, Online ISSN 2320-1126).

Author

Bhagwanti Bishnoi1* and P.K. Mehta2

Abstract

Present paper gives detailed investigation of Sr[(Mg0.32Co0.01) Nb0.67]O3 [SMCN] thin films deposited on ITO coated glass substrate using Pulse laser deposition technique. In order to probe the stability of SMCN under high energy ion irradiation, swift heavy ion (SHI) beam irradiation experiments are performed using 100MeV O7+ ion beams. The effect of irradiation on films, fluence of 1×1012 and 1×1013 ions/cm2, are investigated by X- ray diffraction (XRD), UV-Vis spectroscopy, atomic force microscopy (AFM) and dielectric measurements. It reveals polycrystalline and uniform columnar growth in as- deposited films. Ion irradiation leads to partial amorphization as observed in AFM results. We have also observed drastic reduction in dielectric loss tangent (Tanδ) values. At 1×1013 fluence film shows very low values of tanδ~0.008 at room temperature. The temperature coefficient of dielectric constant (TCK) after irradiation has drastically fallen to 1/2 of its value in unirradiated film. Optimization of critical irradiation parameters may lead to its applicability in devices.

DOI

https://doi.org/10.62226/ijarst20150213

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How do you cite this paper?

Bhagwanti Bishnoi1* and P.K. Mehta2 — “High energy Oxygen ion irradiation effects on thin films of Sr[(Mg0.32Co0.01)Nb0.67]O3.” International Journal of Advanced Research in Science and Technology (IJARST), Volume 4, Issue 2. DOI: https://doi.org/10.62226/ijarst20150213.


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Bhagwanti Bishnoi1* and P.K. Mehta2 | High energy Oxygen ion irradiation effects on thin films of Sr[(Mg0.32Co0.01)Nb0.67]O3 | DOI : https://doi.org/10.62226/ijarst20150213

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