{"title":"Fine-tuning of magnetoresistance in Nd/sub 0.5/(Ca,Sr)/sub 0.5/MnO/sub 3/ system","authors":"S. Cheng, Y. Chou, J.G. Lin","doi":"10.1109/INTMAG.2005.1464377","DOIUrl":null,"url":null,"abstract":"In this work, ionic size or the radius of A-site cation was utilized for the fine-tuning of the magnetoresistance (MR) of Nd/sub 0.5/Ca/sub 0.5-y/Sr/sub y/MnO/sub 3/. The values of were set to be from 1.182 /spl Aring/ to 1.20 /spl Aring/. The highest MR ratio was obtained to be /spl sim/ 800% at 50 K in the samples with y = 0.08. Furthermore, the \"spin valve\" like behavior was observed at 100 K at the same sample, which may have originated from the melting of charge ordering.","PeriodicalId":273174,"journal":{"name":"INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005.","volume":"97 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INTMAG.2005.1464377","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this work, ionic size or the radius of A-site cation was utilized for the fine-tuning of the magnetoresistance (MR) of Nd/sub 0.5/Ca/sub 0.5-y/Sr/sub y/MnO/sub 3/. The values of were set to be from 1.182 /spl Aring/ to 1.20 /spl Aring/. The highest MR ratio was obtained to be /spl sim/ 800% at 50 K in the samples with y = 0.08. Furthermore, the "spin valve" like behavior was observed at 100 K at the same sample, which may have originated from the melting of charge ordering.
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