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The effect of Fe on the structure and electrical conductivity of sodium borosilicate glasses
We report the synthesis and characterization of iron-bearing sodium borosilicate glasses with an Fe 2 O 3 content lower than 10 mol%. Using Mössbauer spectroscopy we demonstrate that Fe ions most probably have a tetrahedral oxygen environment for an iron oxide content higher than 5 mol%. Additionall...
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Published in: | Physical chemistry chemical physics : PCCP 2017-08, Vol.19 (34), p.23318-23324 |
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container_issue | 34 |
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container_title | Physical chemistry chemical physics : PCCP |
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creator | Ci man, A Rysiakiewicz-Pasek, E Krupi ski, M Konon, M Antropova, T Marsza ek, M |
description | We report the synthesis and characterization of iron-bearing sodium borosilicate glasses with an Fe
2
O
3
content lower than 10 mol%. Using Mössbauer spectroscopy we demonstrate that Fe ions most probably have a tetrahedral oxygen environment for an iron oxide content higher than 5 mol%. Additionally, the Mössbauer results along with the X-ray diffraction studies indicate the formation of magnetite nanoclusters. The electrical conductivity of iron-containing sodium borosilicate glasses is studied over a wide temperature range. The impact of iron content on the dielectric permittivity and electrical properties is discussed. Finally, ionic conduction is identified in the high temperature region and its physical origin is explained. A similar activation energy of the dc conductivity and the activation energy of the electrical relaxation suggest that both the relaxation and conduction processes can be ascribed to the same type of entities.
We report the synthesis and characterization of iron-bearing sodium borosilicate glasses with an Fe
2
O
3
content lower than 10 mol%. |
doi_str_mv | 10.1039/c7cp02042b |
format | article |
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2
O
3
content lower than 10 mol%. Using Mössbauer spectroscopy we demonstrate that Fe ions most probably have a tetrahedral oxygen environment for an iron oxide content higher than 5 mol%. Additionally, the Mössbauer results along with the X-ray diffraction studies indicate the formation of magnetite nanoclusters. The electrical conductivity of iron-containing sodium borosilicate glasses is studied over a wide temperature range. The impact of iron content on the dielectric permittivity and electrical properties is discussed. Finally, ionic conduction is identified in the high temperature region and its physical origin is explained. A similar activation energy of the dc conductivity and the activation energy of the electrical relaxation suggest that both the relaxation and conduction processes can be ascribed to the same type of entities.
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2
O
3
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2
O
3
content lower than 10 mol%. Using Mössbauer spectroscopy we demonstrate that Fe ions most probably have a tetrahedral oxygen environment for an iron oxide content higher than 5 mol%. Additionally, the Mössbauer results along with the X-ray diffraction studies indicate the formation of magnetite nanoclusters. The electrical conductivity of iron-containing sodium borosilicate glasses is studied over a wide temperature range. The impact of iron content on the dielectric permittivity and electrical properties is discussed. Finally, ionic conduction is identified in the high temperature region and its physical origin is explained. A similar activation energy of the dc conductivity and the activation energy of the electrical relaxation suggest that both the relaxation and conduction processes can be ascribed to the same type of entities.
We report the synthesis and characterization of iron-bearing sodium borosilicate glasses with an Fe
2
O
3
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2
O
3
content lower than 10 mol%. Using Mössbauer spectroscopy we demonstrate that Fe ions most probably have a tetrahedral oxygen environment for an iron oxide content higher than 5 mol%. Additionally, the Mössbauer results along with the X-ray diffraction studies indicate the formation of magnetite nanoclusters. The electrical conductivity of iron-containing sodium borosilicate glasses is studied over a wide temperature range. The impact of iron content on the dielectric permittivity and electrical properties is discussed. Finally, ionic conduction is identified in the high temperature region and its physical origin is explained. A similar activation energy of the dc conductivity and the activation energy of the electrical relaxation suggest that both the relaxation and conduction processes can be ascribed to the same type of entities.
We report the synthesis and characterization of iron-bearing sodium borosilicate glasses with an Fe
2
O
3
content lower than 10 mol%.</abstract><cop>England</cop><pmid>28825737</pmid><doi>10.1039/c7cp02042b</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-8906-4080</orcidid><oa>free_for_read</oa></addata></record> |
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issn | 1463-9076 1463-9084 |
language | eng |
recordid | cdi_pubmed_primary_28825737 |
source | Royal Society of Chemistry |
title | The effect of Fe on the structure and electrical conductivity of sodium borosilicate glasses |
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