{"title":"The effect of the incommensurate-commensurate SDW transition on the magnetoelasticity of dilute Cr-Ru alloys","authors":"H. L. Alberts, J. Lourens","doi":"10.1088/0305-4608/18/9/008","DOIUrl":null,"url":null,"abstract":"Measurements of the temperature dependence of the elastic moduli and the thermal expansion of two Cr-Ru alloys containing 0.3 and 0.5 at.% Ru are reported. In addition to anomalies at the transition from the incommensurate (I) to the commensurate (C) phase and from C to the paramagnetic phase in both the thermal expansion coefficient and the bulk modulus a new anomaly in the shear modulus has been observed at TIC. Existing itinerant electron theories have been applied to analyse the data. In particular (1/TN)d2TN/d gamma 2, where gamma is the shear strain and TN the Neel temperature has been found to be (13+or-3) and (11+or-3) for the 0.3 and 0.5 at.% Ru alloys respectively.","PeriodicalId":16828,"journal":{"name":"Journal of Physics F: Metal Physics","volume":"27 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"1988-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Physics F: Metal Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/0305-4608/18/9/008","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
Measurements of the temperature dependence of the elastic moduli and the thermal expansion of two Cr-Ru alloys containing 0.3 and 0.5 at.% Ru are reported. In addition to anomalies at the transition from the incommensurate (I) to the commensurate (C) phase and from C to the paramagnetic phase in both the thermal expansion coefficient and the bulk modulus a new anomaly in the shear modulus has been observed at TIC. Existing itinerant electron theories have been applied to analyse the data. In particular (1/TN)d2TN/d gamma 2, where gamma is the shear strain and TN the Neel temperature has been found to be (13+or-3) and (11+or-3) for the 0.3 and 0.5 at.% Ru alloys respectively.
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