Gamma-irradiation effects on the electrical conductivity of pure and Co-doped MgAl2O4 spinel

M. Mousa; E. Gomaa; A. El-Khouly; A. Aly; H. Aly

doi:10.1007/bf02167673

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 87: Issue 2

Gamma-irradiation effects on the electrical conductivity of pure and Co-doped MgAl₂O₄ spinel

Authors:

M. Mousa

M. Mousa Mansoura University Chemistry Department, Faculty of Science Mansoura Egypt

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E. Gomaa

E. Gomaa Mansoura University Chemistry Department, Faculty of Science Mansoura Egypt

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A. El-Khouly

A. El-Khouly Mansoura University Chemistry Department, Faculty of Science Mansoura Egypt

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A. Aly

A. Aly Assiut University Chemistry Department, Faculty of Science Assiut Egypt

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, and

H. Aly

H. Aly Nuclear Research Centre Egypt

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Pages:: 81–94

Online Publication Date:: 27 Sep 2005

Publication Date:: 17 Sep 1984

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02167673

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Abstract

The electrical conductivity of pure and Co-doped MgAl₂O₄ spinels was measured at 700–1100 K. The results of both pure and doped spinels were found to be fitted with an exponential expression with two different activation-energy parameters, in two ranges of temperature. The effect of -irradiation on the electrical conductivity of pure and doped spinels was also studied. The kinetic parameters of the isothermal annealing of the induced irradiation damages in the spinels were determined. All the results were found to be consistent with the ionic conduction which was suggested to be due to the motion of the cation vacancy.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)