Role of radical ions in the thermally stimulated luminescence of uranium doped BaCO3 system

V. Natarajan; T. Seshagiri; A. Page

doi:10.1007/bf02162659

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 187: Issue 2

Role of radical ions in the thermally stimulated luminescence of uranium doped BaCO₃ system

Authors:

V. Natarajan

V. Natarajan Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Bombay India

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T. Seshagiri

T. Seshagiri Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Bombay India

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A. Page

A. Page Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Bombay India

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Pages:: 123–129

Online Publication Date:: 27 Sep 2005

Publication Date:: 17 May 1994

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02162659

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Abstract

Electron paramagnetic resonance (EPR) studies of -irradiated uranium doped BaCO₃ have shown the formation of CO₃^–, CO₂^–, O₃^– and O₂^– ions. Thermally stimulated luminescence (TSL) glow curves of the -irradiated samples in the 300–600 K range have exhibited an intense peak around 360 K and a weak one around 440 K. The trap parameters for these peaks have been determined from TSL data. Spectral studies of the glow have revealed emission around 566, 583 and 590 nm characteristic of the uranate ion. From studies on the thermal stabilities of the radical ions, it has been inferred that the glow peak around 360 K is associated with the thermal destruction of O₂^– ion and the peak around 440 K is associated with the thermal destruction of CO₃^– ion.

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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)