Physico-chemical properties of pure and X-ray irradiated single crystals of KAP

Varma, K. B. R. ; Raju, A. R. ; Rao, K. J. (1988) Physico-chemical properties of pure and X-ray irradiated single crystals of KAP Crystal Research and Technology, 23 (2). pp. 185-193. ISSN 0232-1300

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/crat.21...

Related URL: http://dx.doi.org/10.1002/crat.2170230210

Abstract

Single crystals of potassium hydrogen phthalate (KAP) have been grown by slow evaporation method from aqueous solutions. Thermal analyses indicate that KAP crystals decompose into phthalic anhydride and KOH around 520 K. Electrical properties of single crystals of KAP have been studied along with the effect of X-ray irradiation of the crystals. The electrical transport appears to be associated with tunneling of protons. The irradiated crystal exhibits lower dielectric constant and higher ac conductivity.

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