M. K. Lavrova, M. Yu. Konon, E. A. Semenova, D. P. Danilovich, A. S. Saratovskii
{"title":"Na2O-B2O3-SiO2-Cr2O3 玻璃体系的电导率","authors":"M. K. Lavrova, M. Yu. Konon, E. A. Semenova, D. P. Danilovich, A. S. Saratovskii","doi":"10.1134/S1087659624600339","DOIUrl":null,"url":null,"abstract":"<p>The electrical properties of glasses composed of 8Na<sub>2</sub>O–(22 – <i>x</i>)B<sub>2</sub>O<sub>3</sub>–70SiO<sub>2</sub>–<i>x</i>Cr<sub>2</sub>O<sub>3</sub>, where <i>x</i> varies from 0.3 to 6 mol %, heat-treated at 550°C for 48 h, are studied. The structure of the glasses is studied using scanning electron microscopy and X-ray powder diffraction (XRPD). It is established that in all glasses of the selected compositions, during heat treatment, an interconnected phase-separated structure is formed and the eskolaite phase (α-Cr<sub>2</sub>O<sub>3</sub>) also crystallizes. When comparing the obtained values of electrical resistance and activation energy of electrical conductivity of chromium-containing glasses and glass without Cr<sub>2</sub>O<sub>3</sub> composed of 8Na<sub>2</sub>O⋅22B<sub>2</sub>O<sub>3</sub>⋅70SiO<sub>2</sub> and iron-containing glasses of similar compositions, it is suggested that the studied glasses with Cr<sub>2</sub>O<sub>3</sub> possess ionic conductivity and the values of the specific volume resistance of chromium-containing and iron-containing glasses do not differ from each other. The introduction of Cr<sub>2</sub>O<sub>3</sub> in sodium borosilicate glasses does not affect their electrical conductivity.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"50 2","pages":"207 - 210"},"PeriodicalIF":0.8000,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Electrical Conductivity of Na2O–B2O3–SiO2–Cr2O3 Glass System\",\"authors\":\"M. K. Lavrova, M. Yu. Konon, E. A. Semenova, D. P. Danilovich, A. S. Saratovskii\",\"doi\":\"10.1134/S1087659624600339\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The electrical properties of glasses composed of 8Na<sub>2</sub>O–(22 – <i>x</i>)B<sub>2</sub>O<sub>3</sub>–70SiO<sub>2</sub>–<i>x</i>Cr<sub>2</sub>O<sub>3</sub>, where <i>x</i> varies from 0.3 to 6 mol %, heat-treated at 550°C for 48 h, are studied. The structure of the glasses is studied using scanning electron microscopy and X-ray powder diffraction (XRPD). It is established that in all glasses of the selected compositions, during heat treatment, an interconnected phase-separated structure is formed and the eskolaite phase (α-Cr<sub>2</sub>O<sub>3</sub>) also crystallizes. When comparing the obtained values of electrical resistance and activation energy of electrical conductivity of chromium-containing glasses and glass without Cr<sub>2</sub>O<sub>3</sub> composed of 8Na<sub>2</sub>O⋅22B<sub>2</sub>O<sub>3</sub>⋅70SiO<sub>2</sub> and iron-containing glasses of similar compositions, it is suggested that the studied glasses with Cr<sub>2</sub>O<sub>3</sub> possess ionic conductivity and the values of the specific volume resistance of chromium-containing and iron-containing glasses do not differ from each other. The introduction of Cr<sub>2</sub>O<sub>3</sub> in sodium borosilicate glasses does not affect their electrical conductivity.</p>\",\"PeriodicalId\":580,\"journal\":{\"name\":\"Glass Physics and Chemistry\",\"volume\":\"50 2\",\"pages\":\"207 - 210\"},\"PeriodicalIF\":0.8000,\"publicationDate\":\"2024-09-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Glass Physics and Chemistry\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1134/S1087659624600339\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"MATERIALS SCIENCE, CERAMICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Glass Physics and Chemistry","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1134/S1087659624600339","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
Electrical Conductivity of Na2O–B2O3–SiO2–Cr2O3 Glass System
The electrical properties of glasses composed of 8Na2O–(22 – x)B2O3–70SiO2–xCr2O3, where x varies from 0.3 to 6 mol %, heat-treated at 550°C for 48 h, are studied. The structure of the glasses is studied using scanning electron microscopy and X-ray powder diffraction (XRPD). It is established that in all glasses of the selected compositions, during heat treatment, an interconnected phase-separated structure is formed and the eskolaite phase (α-Cr2O3) also crystallizes. When comparing the obtained values of electrical resistance and activation energy of electrical conductivity of chromium-containing glasses and glass without Cr2O3 composed of 8Na2O⋅22B2O3⋅70SiO2 and iron-containing glasses of similar compositions, it is suggested that the studied glasses with Cr2O3 possess ionic conductivity and the values of the specific volume resistance of chromium-containing and iron-containing glasses do not differ from each other. The introduction of Cr2O3 in sodium borosilicate glasses does not affect their electrical conductivity.
期刊介绍：
Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.
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