Isoelectronic Tungsten Doping in Monolayer MoSe2 for Carrier Type Modulation.
Adv Mater
; 28(37): 8240-8247, 2016 Oct.
Article
em En
| MEDLINE
| ID: mdl-27384240
ABSTRACT
Carrier-type modulation is demonstrated in 2D transition metal dichalcogenides as n-type monolayer MoSe2 is converted to nondegenerate p-type monolayer Mo1-x Wx Se2 through isoelectronic doping. Although the alloys are mesoscopically uniform, the p-type conduction in monolayer Mo1-x Wx Se2 appears to originate from the upshift of the valenceband maximum toward the Fermi level at highly localized "W-rich" regions in the lattice.
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MEDLINE
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En
Ano de publicação:
2016
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Article