Thermal, structural and electrical properties of alkali-vanado-bismuth-tellurite glasses

The glasses of composition 20TeO2-15Bi2O3-(65-x)V2O5-xLi2O (x=10,15,20 and 25 mol%) have been prepared using the conventional melt quenching technique and their thermal structural and electrical properties were investigated through differential scanning calorimetry (DSC), Fourier transform infrared...

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Hauptverfasser:	Gowda, G. V. Jagadeesha, Keshavamurthy, K., Devaraja, C.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Bismuth Crystallization Electrical properties Electrical resistivity Fourier transforms Glass transition temperature High temperature Lithium oxides Tellurium dioxide Temperature Thermal stability
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creator	Gowda, G. V. Jagadeesha Keshavamurthy, K. Devaraja, C.
description	The glasses of composition 20TeO2-15Bi2O3-(65-x)V2O5-xLi2O (x=10,15,20 and 25 mol%) have been prepared using the conventional melt quenching technique and their thermal structural and electrical properties were investigated through differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) and Impedance spectroscopy, respectively. The glass transition temperature increases with Li2O content and their values ranging from 250 to 274°C. The difference between the crystallization temperature and the glass transition temperature, ΔT=Tc-Tg, have also been found that increasing with Li2O content. The increasing glass transition temperature and ΔT values are indicated that the increase of the thermal stability and rigidity of the glasses with increasing Li2O. The high temperature electrical conductivity has been analyzed using Mott’s small polaron hopping model and activation energy values were determined.
doi_str_mv	10.1063/1.5130381
format	Conference Proceeding
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V. Jagadeesha ; Keshavamurthy, K. ; Devaraja, C.</creator><contributor>Joseph, Joshy ; Damodaran, Sudheesh Vilasini ; Sadasivuni, Kishor Kumar ; Kurian, Joji ; Thomas, Deepu ; Joseph, Deepu ; Tom, Emmanuel</contributor><creatorcontrib>Gowda, G. V. Jagadeesha ; Keshavamurthy, K. ; Devaraja, C. ; Joseph, Joshy ; Damodaran, Sudheesh Vilasini ; Sadasivuni, Kishor Kumar ; Kurian, Joji ; Thomas, Deepu ; Joseph, Deepu ; Tom, Emmanuel</creatorcontrib><description>The glasses of composition 20TeO2-15Bi2O3-(65-x)V2O5-xLi2O (x=10,15,20 and 25 mol%) have been prepared using the conventional melt quenching technique and their thermal structural and electrical properties were investigated through differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) and Impedance spectroscopy, respectively. The glass transition temperature increases with Li2O content and their values ranging from 250 to 274°C. The difference between the crystallization temperature and the glass transition temperature, ΔT=Tc-Tg, have also been found that increasing with Li2O content. The increasing glass transition temperature and ΔT values are indicated that the increase of the thermal stability and rigidity of the glasses with increasing Li2O. The high temperature electrical conductivity has been analyzed using Mott’s small polaron hopping model and activation energy values were determined.</description><identifier>ISSN: 0094-243X</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/1.5130381</identifier><identifier>CODEN: APCPCS</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Bismuth ; Crystallization ; Electrical properties ; Electrical resistivity ; Fourier transforms ; Glass transition temperature ; High temperature ; Lithium oxides ; Tellurium dioxide ; Temperature ; Thermal stability</subject><ispartof>AIP conference proceedings, 2019, Vol.2162 (1)</ispartof><rights>Author(s)</rights><rights>2019 Author(s). 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The increasing glass transition temperature and ΔT values are indicated that the increase of the thermal stability and rigidity of the glasses with increasing Li2O. The high temperature electrical conductivity has been analyzed using Mott’s small polaron hopping model and activation energy values were determined.</description><subject>Bismuth</subject><subject>Crystallization</subject><subject>Electrical properties</subject><subject>Electrical resistivity</subject><subject>Fourier transforms</subject><subject>Glass transition temperature</subject><subject>High temperature</subject><subject>Lithium oxides</subject><subject>Tellurium dioxide</subject><subject>Temperature</subject><subject>Thermal stability</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2019</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kM9LwzAcxYMoWKcH_4OCNzHzm6ZJ2qMMf8HAy4TdQtokLjNra5IO_O-tbODN0-PBh_ceD6FrAnMCnN6TOSMUaEVOUEYYI1hwwk9RBlCXuCjp-hxdxLgFKGohqgytVxsTdsrf5TGFsU1jUD5Xnc6NN20Krp3sEPrBhORMzHubK_-pvMN71Snd48bF3Zg2OBnvx-CSyT-8itHES3RmlY_m6qgz9P70uFq84OXb8-viYYmHgtGEmdCitLxmQkHd0Ea3lBeU86pkYCvaiMYa0RglirYVYMGyituyprUWVLNa0xm6OeROK79GE5Pc9mPopkpZUAJAoAQyUbcHKrYuqeT6Tg7B7VT4lgTk73OSyONz_8H7PvyBctCW_gDpbW-9</recordid><startdate>20191029</startdate><enddate>20191029</enddate><creator>Gowda, G. 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Jagadeesha</creatorcontrib><creatorcontrib>Keshavamurthy, K.</creatorcontrib><creatorcontrib>Devaraja, C.</creatorcontrib><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gowda, G. V. Jagadeesha</au><au>Keshavamurthy, K.</au><au>Devaraja, C.</au><au>Joseph, Joshy</au><au>Damodaran, Sudheesh Vilasini</au><au>Sadasivuni, Kishor Kumar</au><au>Kurian, Joji</au><au>Thomas, Deepu</au><au>Joseph, Deepu</au><au>Tom, Emmanuel</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Thermal, structural and electrical properties of alkali-vanado-bismuth-tellurite glasses</atitle><btitle>AIP conference proceedings</btitle><date>2019-10-29</date><risdate>2019</risdate><volume>2162</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><coden>APCPCS</coden><abstract>The glasses of composition 20TeO2-15Bi2O3-(65-x)V2O5-xLi2O (x=10,15,20 and 25 mol%) have been prepared using the conventional melt quenching technique and their thermal structural and electrical properties were investigated through differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) and Impedance spectroscopy, respectively. The glass transition temperature increases with Li2O content and their values ranging from 250 to 274°C. The difference between the crystallization temperature and the glass transition temperature, ΔT=Tc-Tg, have also been found that increasing with Li2O content. The increasing glass transition temperature and ΔT values are indicated that the increase of the thermal stability and rigidity of the glasses with increasing Li2O. The high temperature electrical conductivity has been analyzed using Mott’s small polaron hopping model and activation energy values were determined.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5130381</doi><tpages>4</tpages></addata></record>
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subjects	Bismuth Crystallization Electrical properties Electrical resistivity Fourier transforms Glass transition temperature High temperature Lithium oxides Tellurium dioxide Temperature Thermal stability
title	Thermal, structural and electrical properties of alkali-vanado-bismuth-tellurite glasses
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