S. Kobylianska, O. V’yunov, O. Gavrilenko, A. Belous
{"title":"The structure and ionic conductivity of Li0.5−yNayLa0.5 {Nb,Ta}2O6 system","authors":"S. Kobylianska, O. V’yunov, O. Gavrilenko, A. Belous","doi":"10.1109/OMEE.2012.6464765","DOIUrl":null,"url":null,"abstract":"We have synthesized Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Nb<inf>2</inf>O<inf>6</inf> and Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Ta<inf>2</inf>O<inf>6</inf> defect perovskite solid solutions with 0 < y ≤ 0.5. Lithium ion diffusion in the investigated system exhibits no percolation effect. In the Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Nb<inf>2</inf>O<inf>6</inf> system, the ionic conductivity as a function of sodium content has a maximum due to two competing factors: the increase in perovskite cell volume and the decrease in lithium ion concentration. The ionic conductivity of Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Ta<inf>2</inf>O<inf>6</inf> samples decreases with sodium content.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"314 1","pages":"285-286"},"PeriodicalIF":0.0000,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OMEE.2012.6464765","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We have synthesized Li0.5−yNayLa0.5 Nb2O6 and Li0.5−yNayLa0.5 Ta2O6 defect perovskite solid solutions with 0 < y ≤ 0.5. Lithium ion diffusion in the investigated system exhibits no percolation effect. In the Li0.5−yNayLa0.5 Nb2O6 system, the ionic conductivity as a function of sodium content has a maximum due to two competing factors: the increase in perovskite cell volume and the decrease in lithium ion concentration. The ionic conductivity of Li0.5−yNayLa0.5 Ta2O6 samples decreases with sodium content.
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