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IJPAP Vol.43(02) [February 2005] >


Title: Electrical conductivity and dielectric measurements in Au+ doped/undoped KDP crystals with KCl and NaCl as additives
Authors: Kumari, R Ananda
Chandramani, R
Keywords: KDP crystals
Doping
Dielectric constant
Electrical conductivity
Activation energy
Issue Date: Feb-2005
Publisher: CSIR
IPC CodeH01 L 41/00
Abstract: Pure potassium dihydrogen orthophosphate (KDP) containing KCl or NaCl with and without gold doping were grown by slow evaporation technique. All the grown crystals were -irradiated using 60Co source. Electrical conductivity measurements were carried out perpendicular to the unique direction before and after g-irradiation. The conductivity of KDP crystals increases with the addition of KCl and NaCl and with gold doping as well as temperature. Computed values of activation energies from the conductivity measurements are given. The dielectric constant and dielectric loss have been measured as a function of frequency. The study confirms the contribution of space charge polarization.
Page(s): 123-128
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.43(02) [February 2005]

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