{"title":"Magnetic, Electrochemical and Antimicrobial Properties of Li Ions Substituted by MnFe2O4 Nanoparticles","authors":"B. Padma, G. Vasuki, T. Balu, M. Daniel Sweetlin","doi":"10.1007/s11182-024-03213-1","DOIUrl":null,"url":null,"abstract":"<p>Lithium manganese nanoferrites (Li<sub><i>x</i></sub>Mn<sub>1–2<i>x</i></sub>Fe<sub>2+<i>x</i></sub>O<sub>4</sub>, x = 0.0, 0.1, 0.2, 0.3, 0.4) are prepared by the chemical coprecipitation method. Magnetic properties of as-synthesized samples are investigated at room temperature using a vibrating-sample magnetometer. The superparamagnetic behavior of the samples is observed on the recorded M-H curves. From the hysteresis curve, saturation magnetization, coercivity, and retentivity are obtained. The squareness ratio, anisotropy constant and magnetic moment of the samples are calculated and compared. The cyclic voltammetry analysis is performed for different scan rates to determine the specific capacitance. The energy density and power density are calculated from the charge-discharge curve. The resistance to selected bacteria is analyzed using the antimicrobial activity test.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 7","pages":"1042 - 1050"},"PeriodicalIF":0.4000,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Physics Journal","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1007/s11182-024-03213-1","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Lithium manganese nanoferrites (LixMn1–2xFe2+xO4, x = 0.0, 0.1, 0.2, 0.3, 0.4) are prepared by the chemical coprecipitation method. Magnetic properties of as-synthesized samples are investigated at room temperature using a vibrating-sample magnetometer. The superparamagnetic behavior of the samples is observed on the recorded M-H curves. From the hysteresis curve, saturation magnetization, coercivity, and retentivity are obtained. The squareness ratio, anisotropy constant and magnetic moment of the samples are calculated and compared. The cyclic voltammetry analysis is performed for different scan rates to determine the specific capacitance. The energy density and power density are calculated from the charge-discharge curve. The resistance to selected bacteria is analyzed using the antimicrobial activity test.
期刊介绍：
Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.
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