Volume 13, Number 3 (Iranian Journal of Physics Research, Fall 2013)                   IJPR 2013, 13(3): 311-311 | Back to browse issues page

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H Sarvalishah, A H Rezvani, H Fakhraian, H Jalily. Investigation of the metal ions effect on the growth of KDP crystal with emphasize on Al3+ ions effect. IJPR. 2013; 13 (3) :311-311
URL: http://ijpr.iut.ac.ir/article-1-1429-en.html

Imam Hossein University
Abstract:   (3966 Views)
Effect of Al3+ ions on the optical quality, growth rate, shape, and structure of potassium dihydrogen phosphate (KDP) crystal was investigated. Growth method was based on the “point seed” method in a solution with optimum concentration, following spontaneous growth at room temperature. FTIR spectrum showed neutralization of O-H group in KDP crystal by Al3+ ions. UV-Visible spectrum of the crystal containing Al3+ displayed an undesirable increase of the optical absorption in the 200-300 nm region with a maximum at 270 nm. It seems that the absorption in the 200-300 nm region is due to substitution of phosphorus by Al ions. In fact, (AlO4)2- ions are present in the KDP crystals and give rise to ultraviolet absorption.
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Type of Study: Research | Subject: general

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