Ageing and vapor chopping effect on the properties of MgO thin films

R. K. Puri; Sikandar H. Tamboli; Aviraj Jatratkar; J. B. Yadav; Vijaya Puri; H. H. Cho

doi:10.1016/j.jallcom.2013.11.053

Ageing and vapor chopping effect on the properties of MgO thin films

R. K. Puri, Sikandar H. Tamboli, Aviraj Jatratkar, J. B. Yadav, Vijaya Puri, H. H. Cho

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Nanoscale magnesium oxide thin films have been prepared on glass substrates by thermal oxidation (in air) of vacuum evaporated magnesium films. The ageing (air exposure) effect for 1, 10, 20 and 30 days on the various properties of MgO thin films was studied. The ageing effect on the optoelectronic devices i.e. optical waveguide and plasma display panel's performance was examined by measuring their optical transmission loss and secondary electron emission yield, respectively. Vapor chopping technique was employed for thin film quality improvement followed by ageing inhibition. The firing voltage for fresh vapor chopped (VC) MgO thin films was in 125-150 V range, which shifted to 140-178 V after 30 days, whereas in the non-chopped (NC) films it increased up to 165-210 V from 140-160 V. After 30 days ageing, NC thin film surface morphology changed from polished to dull due to wrapped moisture like layer, whereas VC thin film morphology was unpretentious. The XPS analysis also confirmed the VC MgO thin films superior sustainability against the ageing than NC films.

Original language	English
Pages (from-to)	321-326
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	588
DOIs	https://doi.org/10.1016/j.jallcom.2013.11.053
Publication status	Published - 2014 Mar 5

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (NRF-2011-0017673).

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/j.jallcom.2013.11.053

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title = "Ageing and vapor chopping effect on the properties of MgO thin films",

abstract = "Nanoscale magnesium oxide thin films have been prepared on glass substrates by thermal oxidation (in air) of vacuum evaporated magnesium films. The ageing (air exposure) effect for 1, 10, 20 and 30 days on the various properties of MgO thin films was studied. The ageing effect on the optoelectronic devices i.e. optical waveguide and plasma display panel's performance was examined by measuring their optical transmission loss and secondary electron emission yield, respectively. Vapor chopping technique was employed for thin film quality improvement followed by ageing inhibition. The firing voltage for fresh vapor chopped (VC) MgO thin films was in 125-150 V range, which shifted to 140-178 V after 30 days, whereas in the non-chopped (NC) films it increased up to 165-210 V from 140-160 V. After 30 days ageing, NC thin film surface morphology changed from polished to dull due to wrapped moisture like layer, whereas VC thin film morphology was unpretentious. The XPS analysis also confirmed the VC MgO thin films superior sustainability against the ageing than NC films.",

author = "Puri, {R. K.} and Tamboli, {Sikandar H.} and Aviraj Jatratkar and Yadav, {J. B.} and Vijaya Puri and Cho, {H. H.}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (NRF-2011-0017673).",

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doi = "10.1016/j.jallcom.2013.11.053",

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AU - Puri, R. K.

AU - Tamboli, Sikandar H.

AU - Jatratkar, Aviraj

AU - Yadav, J. B.

AU - Puri, Vijaya

AU - Cho, H. H.

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (NRF-2011-0017673).

PY - 2014/3/5

Y1 - 2014/3/5

N2 - Nanoscale magnesium oxide thin films have been prepared on glass substrates by thermal oxidation (in air) of vacuum evaporated magnesium films. The ageing (air exposure) effect for 1, 10, 20 and 30 days on the various properties of MgO thin films was studied. The ageing effect on the optoelectronic devices i.e. optical waveguide and plasma display panel's performance was examined by measuring their optical transmission loss and secondary electron emission yield, respectively. Vapor chopping technique was employed for thin film quality improvement followed by ageing inhibition. The firing voltage for fresh vapor chopped (VC) MgO thin films was in 125-150 V range, which shifted to 140-178 V after 30 days, whereas in the non-chopped (NC) films it increased up to 165-210 V from 140-160 V. After 30 days ageing, NC thin film surface morphology changed from polished to dull due to wrapped moisture like layer, whereas VC thin film morphology was unpretentious. The XPS analysis also confirmed the VC MgO thin films superior sustainability against the ageing than NC films.

AB - Nanoscale magnesium oxide thin films have been prepared on glass substrates by thermal oxidation (in air) of vacuum evaporated magnesium films. The ageing (air exposure) effect for 1, 10, 20 and 30 days on the various properties of MgO thin films was studied. The ageing effect on the optoelectronic devices i.e. optical waveguide and plasma display panel's performance was examined by measuring their optical transmission loss and secondary electron emission yield, respectively. Vapor chopping technique was employed for thin film quality improvement followed by ageing inhibition. The firing voltage for fresh vapor chopped (VC) MgO thin films was in 125-150 V range, which shifted to 140-178 V after 30 days, whereas in the non-chopped (NC) films it increased up to 165-210 V from 140-160 V. After 30 days ageing, NC thin film surface morphology changed from polished to dull due to wrapped moisture like layer, whereas VC thin film morphology was unpretentious. The XPS analysis also confirmed the VC MgO thin films superior sustainability against the ageing than NC films.

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Ageing and vapor chopping effect on the properties of MgO thin films

Abstract

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