Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.107.047206
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dc.titleObservation of long spin-relaxation times in bilayer graphene at room temperature
dc.contributor.authorYang, T.-Y.
dc.contributor.authorBalakrishnan, J.
dc.contributor.authorVolmer, F.
dc.contributor.authorAVSAR,AHMET
dc.contributor.authorJaiswal, M.
dc.contributor.authorSamm, J.
dc.contributor.authorAli, S.R.
dc.contributor.authorPachoud, A.
dc.contributor.authorZeng, M.
dc.contributor.authorPopinciuc, M.
dc.contributor.authorGüntherodt, G.
dc.contributor.authorBeschoten, B.
dc.contributor.authorÖzyilmaz, B.
dc.date.accessioned2014-10-07T04:33:35Z
dc.date.available2014-10-07T04:33:35Z
dc.date.issued2011-07-21
dc.identifier.citationYang, T.-Y., Balakrishnan, J., Volmer, F., AVSAR,AHMET, Jaiswal, M., Samm, J., Ali, S.R., Pachoud, A., Zeng, M., Popinciuc, M., Güntherodt, G., Beschoten, B., Özyilmaz, B. (2011-07-21). Observation of long spin-relaxation times in bilayer graphene at room temperature. Physical Review Letters 107 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.107.047206
dc.identifier.issn00319007
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82795
dc.description.abstractWe report on the first systematic study of spin transport in bilayer graphene (BLG) as a function of mobility, minimum conductivity, charge density, and temperature. The spin-relaxation time τs scales inversely with the mobility μ of BLG samples both at room temperature (RT) and at low temperature (LT). This indicates the importance of D'yakonov-Perel' spin scattering in BLG. Spin-relaxation times of up to 2ns at RT are observed in samples with the lowest mobility. These times are an order of magnitude longer than any values previously reported for single-layer graphene (SLG). We discuss the role of intrinsic and extrinsic factors that could lead to the dominance of D'yakonov-Perel' spin scattering in BLG. In comparison to SLG, significant changes in the carrier density dependence of τs are observed as a function of temperature. © 2011 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevLett.107.047206
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevLett.107.047206
dc.description.sourcetitlePhysical Review Letters
dc.description.volume107
dc.description.issue4
dc.description.page-
dc.description.codenPRLTA
dc.identifier.isiut000292969100007
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