Temperature and dose effect in the oscillatory transfer annealing of51Cr3+ in K2CrO4

P. Dimotakis; B. Symeopoulos

doi:10.1007/bf02162768

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 103: Issue 2

Temperature and dose effect in the oscillatory transfer annealing of⁵¹Cr³⁺ in K₂CrO₄

Authors:

P. Dimotakis

P. Dimotakis University of Patras Radiochemistry Laboratory Patras Greece

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B. Symeopoulos

B. Symeopoulos University of Patras Radiochemistry Laboratory Patras Greece

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Pages:: 127–136

Online Publication Date:: 27 Sep 2005

Publication Date:: 17 Jan 1986

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02162768

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Abstract

Radiochromium doped potassium chromate exhibits partly an oscillatory exchange between trivalent and hexavalent states of the⁵¹Cr during isothermal treatment. Thermodynamically dissipative structures created by⁵¹Cr/III/ interstitials give rise to rythmic increase and decrease of the transferred yield to the parent lattice. A temperature effect has been noticed on the oscillations by increasing mainly the frequency while a dose effect increases the frequency for the same temperature and decreases the amplitudes. The last is due probably to the elimination of available⁵¹Cr/III/ interstitials after radiation annealing. The Volterra-Lotka model is used to explain the oscillatory exchange of⁵¹Cr.

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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)