Mössbauer and electrical investigation of sulfur-doped sodium borate glasses containing iron

S. Salah

doi:10.1023/a:1013250332478

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 249: Issue 3

Mössbauer and electrical investigation of sulfur-doped sodium borate glasses containing iron

Author:

S. Salah

S. Salah Al-Azhar University Physics Department, Faculty of Science Nasr City, Cairo Egypt

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Pages:: 595–600

Online Publication Date:: 29 Oct 2004

Publication Date:: 17 Sep 2001

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1013250332478

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Abstract

Three series of sulfur-doped sodium tetraborate glasses containingiron was prepared with the composition (Na₂ B₄ O₇ ) _1–x (Fe₂ O ₃ ) x , wherex equals 0.1, 0.2 and 0.3. One series of the glass was left free of sulfur,while sulfur was added to the other two series of 2.5 and 5 wt%, respectively,to investigate the role of sulfur ions on some physical properties of thistype of glass. Melting process was carried out in platinum crucibles at 1100°C for one hour. The glasses were quenched in air at room temperature.X-ray diffraction measurement was carried out to be sure that the pure glassystate is obtained. ⁵⁷Fe Mössbauer spectroscopy and dc conductivitymeasurements were carried out. It was found that iron is present in form ofFe²⁺ and Fe ³⁺ ions. Sulfur ions increased the valuesof dc conductivity. The isomer shift of the two states of iron is stable whilethe quadrupole splitting value changed with increasing Fe₂ O₃ content or as sulfur was added.

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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)