Conductivity Studies of Silver-, Potassium-, and Magnesium-Doped Hydroxyapatite

Singh, Brajendra and Kumar, Samayendra and Basu, Bikramjit and Gupta, Rajeev (2015) Conductivity Studies of Silver-, Potassium-, and Magnesium-Doped Hydroxyapatite. In: INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, 12 (2). pp. 319-328.

PDF int_jou_app_cer_tec-12_2_319_2015.pdf - Published Version Restricted to Registered users only Download (916kB) | Request a copy

Abstract

We report the electrical transport properties of silver-, potassium-, and magnesium-doped hydroxyapatites (HAs). While Ag+ or K+ doping to HA enhances the conductivity, Mg+2 doping lowers the conductivity when compared with undoped HA. The mechanism behind the observed differences in ionic conductivity has been discussed using the analysis of high-temperature frequency-dependent conductivity data, Cole-Cole plots of impedance data as well as on the basis of the frequency dependence of the imaginary part (M) of the complex electric modulus. The f(max) of modulus M decreased in silver- and potassium-doped samples in comparison with the undoped HA.

Item Type:	Journal Article
Publication:	INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
Publisher:	WILEY-BLACKWELL
Additional Information:	Copy right for this article belongs to the WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
Keywords:	UNIVERSAL DIELECTRIC RESPONSE; AMORPHOUS-SEMICONDUCTORS; IONIC CONDUCTIVITIES; RAMAN-SPECTROSCOPY; IN-VITRO; APATITE; OXIDE; PHOSPHATE; DIFFERENTIATION; NANOPARTICLES
Department/Centre:	Division of Chemical Sciences > Materials Research Centre
Date Deposited:	20 Apr 2015 11:19
Last Modified:	20 Apr 2015 11:19
URI:	http://eprints.iisc.ac.in/id/eprint/51293

Actions (login required)

View Item