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# Optical and structural studies on spray deposited \alpha-PbO thin films

Thangaraju, B and Kaliannan, P (2000) Optical and structural studies on spray deposited \alpha-PbO thin films. In: Semiconductor Science Technology, 15 (6). pp. 542-545.

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## Abstract

Thin films of tetragonal lead monoxide have been prepared from spray pyrolytic decomposition of an aqueous solution of lead nitrate. The spray pyrolysis set-up developed for this study is also described briefly. From the structural investigations it has been found that the films generally grow with some admixture of monoclinic $PbO_{1.57}$ phase. The absorption coefficients of the films have been determined from transmittance measurements in the 400–1200 nm region. From an analysis of the room temperature optical absorption data, a direct transition band gap of 1.9 eV has been obtained for \alpha-PbO.

Item Type: Journal Article Copyright of this article belongs to Institute of Physics. Division of Physical & Mathematical Sciences > Physics 24 Jul 2008 19 Sep 2010 04:48 http://eprints.iisc.ernet.in/id/eprint/15231

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