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공공누리This item is licensed Korea Open Government License

Title
Unusual Non-magnetic Metallic State in Narrow Silicon Carbon Nanoribbons by Electron or Hole Doping
Author(s)
PingLou이진용
Publication Year
2012-02-24
Abstract
Weinvestigatedthewidth(N)dependenceonthemagnetizationofN-ZSiCNRwithelectronandholedoping
onthebasisofsystematicDFTcalculations.Thecriticalvaluesoftheupperanddowncriticalconcentrationto
givethemaximumandzeromagneticmomentatedgeSi/Catomsbyelectron/holedoping(xup,e,xdown,e,xup,h,
andxdown,h)dependonthewidthofN-ZSiCNR.Moreover,duetoxup,e≠xup,handxdown,e≠xdown,h,theelectron
andholedopingeffectareasymmetry,i.e,thecriticalelectrondopingvalue(xdown,e)issmallerthanthecritical
holedopingvalue(xdown,h)andisalmostindependentofthewidthofNZSiCNRthoughtheothercriticalvalues
oftheelectronandholedopingthatinfluencethemagnetizationofN-ZSiCNRdependonthewidth.Itwasalso
foundthatatxdown,eorxdown,hdoping,theN-ZSiCNRturnsintounusualnon-magneticmetallicstate.The
magneticbehaviorwasdiscussedbasedonthebandstructuresandprojecteddensityofstates(PDOS)under
theeffectofelectron/holedoping.
Keyword
Magnetic; Siliconcarbonnanoribbon; Electrondoping; Holedoping; Bandstructure
Journal Title
BulletinoftheKoreanChemicalSociety
Citation Volume
33
ISSN
0253-2964
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/14048
http://www.ndsl.kr/ndsl/search/detail/article/articleSearchResultDetail.do?cn=JAKO201210348675908
Fulltext
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