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Stark shift and field ionization of arsenic donors in 28Si-silicon-on-insulator structures

We develop an efficient back gate for silicon-on-insulator (SOI) devices operating at cryogenic
temperatures and measure the quadratic hyperfine Stark shift parameter of arsenic donors in
isotopically purified 28Si-SOI layers using such structures. The back gate is implemented using
MeV ion implantation through the SOI layer forming a metallic electrode in the handle wafer,
enabling large and uniform electric fields up to 2V/lm to be applied across the SOI layer. Utilizing
this structure, we measure the Stark shift parameters of arsenic donors embedded in the 28Si-SOI
layer and find a contact hyperfine Stark parameter of na=-1.9+/-0.7x10-3 lm2/V2. We also
demonstrate electric-field driven dopant ionization in the SOI device layer, measured by electron
spin resonance.

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:31858
Date04 October 2018
CreatorsLo, C. C., Lo Nardo, R., Simmons, S., Weis, C. D., Tyryshkin, A. M., Meijer, Jan Berend, Rogalla, D., Lyon, S. A., Bokor, J., Schenkel, T., Morton, J. J. L.
PublisherAIP Publishing
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/publishedVersion, doc-type:article, info:eu-repo/semantics/article, doc-type:Text
Rightsinfo:eu-repo/semantics/openAccess
Relation0003-6951, 193502

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