UNSPECIFIED. (2000) Structure and optical properties of nanocrystalline erbia doped zirconia thin films. INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 14 (11). pp. 1239-1248. ISSN 0217-9792

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Abstract

Thin films of zirconia doped with erbia in the concentration range of 5 to 15% have been prepared on quartz substrates by an inorganic and aqueous sol-gel method. The films were crystalline, continuous and single phase as deposited, with a cubic fluorite structure and crystallite sizes of 8-10 nm as shown by X-ray diffraction. The films were annealed to 600 and 1050 degrees C after deposition and found to be transparent in the region between 400 to 1100 nm, the crystalline structure becoming tetragonal at 1050 degrees C with crystallite sizes of around 30-40 nm. The refractive index increased with increase in annealing temperature. There is a peak in the refractive index at a dopant concentration of 10% where it achieves a value of 1.88 at 700 nm. The optical absorption edge shows a similar peak at the same dopant concentration with a value of 5.65 eV.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Publisher:	WORLD SCIENTIFIC PUBL CO PTE LTD
ISSN:	0217-9792
Official Date:	10 May 2000
Dates:	Date Event 10 May 2000 UNSPECIFIED
Volume:	14
Number:	11
Number of Pages:	10
Page Range:	pp. 1239-1248
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/13115

Data sourced from Thomson Reuters' Web of Knowledge

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