{"title":"Zur herstellung sehr dünner elektrisch leitender präparat-unterlagen für absolute β-zählung","authors":"E. Huster, W. Rausch","doi":"10.1016/0369-643X(58)90027-6","DOIUrl":null,"url":null,"abstract":"<div><p>Absolute β-counting with radioelements of low decay-energy is difficult because of absorption losses in the source and its backing. If moreover the half-life is very high, extended sources are necessary. It has been furthermore shown, that backings must be electrically conducting to prevent charging of the source and thereby distortion of the electric field of the counter, if counting is done with the source in the interior of the counter.</p><p>A method is described for preparing electrically conducting formvar foils of 85 × 30 mm<sup>2</sup> with an overall thickness of 10 <em>μ</em>g/cm<sup>2</sup>. The conductivity is attained by first exposing the foil to a glow discharge in a hydrocarbon atmosphere and then evaporating silver on it.</p></div>","PeriodicalId":100970,"journal":{"name":"Nuclear Instruments","volume":"3 4","pages":"Pages 213-217"},"PeriodicalIF":0.0000,"publicationDate":"1958-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-643X(58)90027-6","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nuclear Instruments","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0369643X58900276","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
Absolute β-counting with radioelements of low decay-energy is difficult because of absorption losses in the source and its backing. If moreover the half-life is very high, extended sources are necessary. It has been furthermore shown, that backings must be electrically conducting to prevent charging of the source and thereby distortion of the electric field of the counter, if counting is done with the source in the interior of the counter.
A method is described for preparing electrically conducting formvar foils of 85 × 30 mm2 with an overall thickness of 10 μg/cm2. The conductivity is attained by first exposing the foil to a glow discharge in a hydrocarbon atmosphere and then evaporating silver on it.
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