{"title":"Dielectric properties of nanocrystalline cellulose–potassium iodide composites","authors":"Aleksey Yu. Milinskiy","doi":"10.1016/j.spjpm.2017.03.002","DOIUrl":null,"url":null,"abstract":"<div><p>The linear and nonlinear dielectric properties of composites based on KIO<sub>3</sub> and nanocrystalline <em>Acetobacter Xylinum</em> cellulose have been studied<em>.</em> This cellulose is structured so that it has a large amount of nano-channels with parallel arrangement and with diameters of 50–100<!--> <!-->nm and the lengths being thousand-fold. The behavior of linear dielectric permittivity of bulk KIO<sub>3</sub> was found to have four anomalies at the temperatures corresponding to phase transitions. The temperature elevations of 20 and 24<!--> <!-->K, respectively, for the IV<!--> <!-->→<!--> <!-->III and III<!--> <!-->→<!--> <!-->II structural transitions were revealed for KIO<sub>3</sub> in the pores of nanocrystalline cellulose relative to the corresponding transition temperatures in bulk KIO<sub>3</sub>. Possible causes for the revealed temperature elevations were discussed.</p></div>","PeriodicalId":41808,"journal":{"name":"St Petersburg Polytechnic University Journal-Physics and Mathematics","volume":null,"pages":null},"PeriodicalIF":0.2000,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.spjpm.2017.03.002","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"St Petersburg Polytechnic University Journal-Physics and Mathematics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2405722317300130","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
The linear and nonlinear dielectric properties of composites based on KIO3 and nanocrystalline Acetobacter Xylinum cellulose have been studied. This cellulose is structured so that it has a large amount of nano-channels with parallel arrangement and with diameters of 50–100 nm and the lengths being thousand-fold. The behavior of linear dielectric permittivity of bulk KIO3 was found to have four anomalies at the temperatures corresponding to phase transitions. The temperature elevations of 20 and 24 K, respectively, for the IV → III and III → II structural transitions were revealed for KIO3 in the pores of nanocrystalline cellulose relative to the corresponding transition temperatures in bulk KIO3. Possible causes for the revealed temperature elevations were discussed.
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