Ac conductivity and Ultrasonic Studies in KHCO3 Compound

Authors : Fathy SALMAN, Sayed ABOUELHASSAN, Eslam Sheha And Mabrouk ELMANSY

Pages : 97-104

Doi:10.3906/tar-1206-48

View : 20 | Download : 8

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The total conductivity of KHCO3 compound is studied in the frequency range 50 Hz-1 MHz and in the temperature range 300-370 K. The conductivity frequency dependence relation is divided into three regions: one at low frequency insert ignore into journalissuearticles values(dc conductivity);, while the others appear at a moderate and relatively higher frequency range. In general, the conductivity frequency dependence conductivity obeys a double power law relation, stot = sdc + Awp + Bwq. The powers p and q have been found to be in the range 0 to 1 and 1 to 2, respectively. The attenuation coefficient b of KHCO3 compound was studied over a temperature range from room temperature up to 370 K. The general behavior showed two essential activated regions. The activation energies are estimated and discussed.
Keywords : KHCO3, Ac conductivity, Ultrasonic