{"title":"Hysteretic magnetisation curves in the granular Cu100-xCox system","authors":"P Allia , M Coisson , P Tiberto , F Vinai","doi":"10.1016/S0965-9773(99)00364-5","DOIUrl":null,"url":null,"abstract":"<div><p><span>The magnetic hysteresis properties of granular Cu</span><sub>100-x</sub>Co<sub>x</sub> alloys (x = 5 to 20) containing nanometric Co particles, prepared under different quenching conditions and submitted to various anneals, have been measured at room temperature. Major loops (vertex field 1 × 10<sup>4</sup> Oe) and minor loops (vertex field between 1 × 10<sup>2</sup> and 9 × 10<sup>3</sup><span> Oe) were measured by vibrating-sample magnetometry. The features of major loops were analysed in terms of sample composition and structural state; the dependence of remanence and coercivity of minor loops on vertex field has been analysed in detail. A novel graphical representation method, particularly suitable for describing the details of the narrow hysteresis loops observed in granular systems has been proposed and checked.</span></p></div>","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":"11 6","pages":"Pages 757-767"},"PeriodicalIF":0.0000,"publicationDate":"1999-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0965-9773(99)00364-5","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nanostructured Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0965977399003645","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The magnetic hysteresis properties of granular Cu100-xCox alloys (x = 5 to 20) containing nanometric Co particles, prepared under different quenching conditions and submitted to various anneals, have been measured at room temperature. Major loops (vertex field 1 × 104 Oe) and minor loops (vertex field between 1 × 102 and 9 × 103 Oe) were measured by vibrating-sample magnetometry. The features of major loops were analysed in terms of sample composition and structural state; the dependence of remanence and coercivity of minor loops on vertex field has been analysed in detail. A novel graphical representation method, particularly suitable for describing the details of the narrow hysteresis loops observed in granular systems has been proposed and checked.
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