Abstract：
:Metal-silicon junctions are crucial to the operation of semiconductor devices: aggressive scaling demands low-resistive metallic terminals to replace high-doped silicon in transistors. It suggests an efficient charge injection through a low Schottky barrier between a metal and Si. Tremendous efforts invested into engineering metal-silicon junctions reveal the major role of chemical bonding at the interface: premier contacts entail epitaxial integration of metal silicides with Si. Here we present epitaxially grown EuSi2/Si junction characterized by RHEED, XRD, transmission electron microscopy, magnetization and transport measurements. Structural perfection leads to superb conductivity and a record-low Schottky barrier with n-Si while an antiferromagnetic phase invites spin-related applications. This development opens brand-new opportunities in electronics.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Averyanov DV,Tokmachev AM,Karateeva CG,Karateev IA,Lobanovich EF,Prutskov GV,Parfenov OE,Taldenkov AN,Vasiliev AL,Storchak VGdoi
10.1038/srep25980subject
Has Abstractpub_date
2016-05-23 00:00:00pages
25980issn
2045-2322pii
srep25980journal_volume
6pub_type
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