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Physico‐chemical properties of pure and x‐ray irradiated single crystals of KAP
Author(s) -
Varma K. B. R.,
Raju A. R.,
Rao K. J.
Publication year - 1988
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170230210
Subject(s) - dielectric , irradiation , aqueous solution , potassium , single crystal , evaporation , x ray , phthalic anhydride , materials science , crystal (programming language) , chemistry , analytical chemistry (journal) , crystallography , optics , organic chemistry , thermodynamics , programming language , physics , optoelectronics , computer science , nuclear physics , catalysis
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.