{"title":"SPECTRAL DEPENDENCIES OF MAGNETOOPTICAL EFFECTS IN MAGNETIC FLUIDS","authors":"C. Yerin","doi":"10.31489/2022no2/86-92","DOIUrl":null,"url":null,"abstract":"The spectral dependences of the transmittance and optical anisotropy effects in magnetic fluid have been investigated. It is shown that the refractive index spectra of bulk magnetite known are of little use for the quantitativeand qualitative interpretation of optical effects in magnetic fluids. The transmission, birefringence, and dichroism spectra are calculated using the known refractive index spectra of magnetite. The best agreement with the experiment was obtained using the experimental spectra of the complex refractive index of the powder of magnetite nanoparticles. It is concluded that there is a significant difference in the spectra of the complex refractive index for bulk and nanosized magnetite.","PeriodicalId":11789,"journal":{"name":"Eurasian Physical Technical Journal","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2022-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Eurasian Physical Technical Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31489/2022no2/86-92","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 2
Abstract
The spectral dependences of the transmittance and optical anisotropy effects in magnetic fluid have been investigated. It is shown that the refractive index spectra of bulk magnetite known are of little use for the quantitativeand qualitative interpretation of optical effects in magnetic fluids. The transmission, birefringence, and dichroism spectra are calculated using the known refractive index spectra of magnetite. The best agreement with the experiment was obtained using the experimental spectra of the complex refractive index of the powder of magnetite nanoparticles. It is concluded that there is a significant difference in the spectra of the complex refractive index for bulk and nanosized magnetite.
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