资源描述：
《Anomalous Hall effect derived from multiple Weyl多重Weyl引起的反常霍尔效应 高迁移率EuTiO3薄膜中的节点》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、SCIENCEADVANCES
2、RESEARCHARTICLECONDENSEDMATTERPHYSICSCopyright©2018TheAuthors,someAnomalousHalleffectderivedfrommultipleWeylrightsreserved;exclusivelicenseenodesinhigh-mobilityEuTiOfilmsAmericanAssociation3fortheAdvancement1,2†3†31‡1,3ofScience.NoclaimtoKeiS.Takahashi*,HiroakiIshizuk
3、a,TomokiMurata,QingY.Wang,YoshinoriTokura,originalU.S.Government1,31,3NaotoNagaosa,MasashiKawasakiWorks.DistributedunderaCreativeEuTiO3,amagneticsemiconductorwithasimplebandstructure,isoneoftheidealsystemstocontroltheCommonsAttributionanomalousHalleffect(AHE)bytuningtheFermilevel.The
4、electronsintheconductionbandsofLa-dopedEuTiO3NonCommercialaresubjecttothespin-orbitinteractionandZeemanfieldfromthespontaneousmagnetization,whichgeneratesrichLicense4.0(CCBY-NC).structuresintheelectronbandsuchasWeylnodes.ThisuniquepropertymakesEuTiO3arelativelysimplemul-tibandsystemw
5、ithitsBerrycurvaturebeingcontrolledbyelectrondopingandmagneticfield.Wereportanon-monotonicmagneticfielddependenceoftheanomalousHallresistivity,whichisascribedtothechangeofelectronicbandsinducedbytheZeemansplittingduringthemagnetizationprocess.TheanomalousHallresistivitymeasurementinh
6、igh-mobilityfilmsgrownbygassourcemolecularbeamepitaxyshowsadditionaltermsintheAHEduringthemagnetizationprocess,whichisnotproportionaltothemagnetization.OurtheoreticalcalculationDownloadedfromindicatesthatthechangeofZeemanfieldintheprocessofcantingthemagneticmomentscausesthetypeIIWeyl
7、nodesintheconductionbandtomove,resultinginapeculiarmagneticfielddependenceoftheAHE;thisisrevealedbythehigh-qualityfilmswithalongscatteringlifetimeofconductionelectrons.INTRODUCTIONalmostconstant,whereastheFermilevelofSrRuO3ishardlycontrolledbyTransportpropertiesofspin-polarizedelectr
8、onsreceiveconsiderablecarrierdopingbecauseofthelargeamountofcarriers.Hence,ETOwashttp://advances.sciencemag.org/interestfortheirimportanceinbasicscienceandfortheirpotentialconsideredasanidealmaterialtostudythecontrolofBerryphaseandtheintechnologicalapplications(1).Oneofthepeculiarphe
9、nomenaofAHEb
