The location of silver dopants in lead halide single crystals

Rush, G.E. and Chadwick, Alan V. and Pannell, Christopher N. and Bilsborrow, R.L. (1999) The location of silver dopants in lead halide single crystals. Radiation Effects and Defects in Solids, 149 (1-4). pp. 315-321. ISSN 1042-0150. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Lead(II) bromide and chloride have been purified by zone refinement and these purified products are grown into large device quality single crystals by the Bridgman-Stockbarger technique. Cracking on cooling is observed especially in the case of lead bromide. To alleviate this problem, doping with silver bromide at the level of 0.05-0.5 mol% is shown to eliminate cracking. The role of the dopant is unclear, but is presumably associated with the location of the ion within the host lattice. Extended X-ray Absorption Fine Structure (EXAFS) analysis was performed at Daresbury Laboratories to determine this role and it was found to be a simple substitution into the crystal lattice.

Item Type: Article
Additional information: Proceedings Paper; Event date: Jul 06-11, 1998
Uncontrolled keywords: lead(II) halides; EXAFS; acousto-optic materials
Subjects: Q Science
T Technology
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: F.D. Zabet
Date Deposited: 28 Mar 2009 22:18
Last Modified: 14 May 2014 11:09
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