Yunfei Gao, Y. Kubo, Chia-Ching Lin, Zhihong Chen, J. Appenzeller
{"title":"Optimized spin relaxation length in few layer graphene at room temperature","authors":"Yunfei Gao, Y. Kubo, Chia-Ching Lin, Zhihong Chen, J. Appenzeller","doi":"10.1109/IEDM.2012.6478978","DOIUrl":null,"url":null,"abstract":"For the first time, a spin relaxation length (λS) of ~5μm is measured in graphene at room temperature - a critical accomplishment considering the recent interest in spin based devices for low power applications. The key to this demonstration lies in the use of few layer graphene. In fact, optimum performance is demonstrated here for ~7-layer graphene. Moreover, a 4x increase of λS is observed at 77K.","PeriodicalId":6376,"journal":{"name":"2012 International Electron Devices Meeting","volume":"18 1","pages":"4.4.1-4.4.4"},"PeriodicalIF":0.0000,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 International Electron Devices Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEDM.2012.6478978","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 11
Abstract
For the first time, a spin relaxation length (λS) of ~5μm is measured in graphene at room temperature - a critical accomplishment considering the recent interest in spin based devices for low power applications. The key to this demonstration lies in the use of few layer graphene. In fact, optimum performance is demonstrated here for ~7-layer graphene. Moreover, a 4x increase of λS is observed at 77K.
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