Adsorption and migration behavior of Si atoms on the hydrogen-terminated diamond (001) surface: A first principles study
Sign Up to like & getrecommendations! Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2017.05.195
Abstract: Abstract The adsorption and migration activation energies of a silicon (Si) atom on a hydrogen-terminated diamond (001) surface were calculated using first principles methods based on density functional theory. On the fully hydrogen-terminated surface, the… read more here.
Keywords: adsorption migration; hydrogen; hydrogen terminated; terminated diamond ... See more keywords
Barrier heights of Au, Pt, Pd, Ir, Cu on nitrogen terminated (1 0 0) diamond determined by X-ray photoelectron spectroscopy
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.06.184
Abstract: Abstract In this work, we used X-ray photoelectron spectroscopy to measure barrier height values for different metals (Au, Pt, Pd, Ir, Cu) on nitrogen terminated (1 0 0) diamond. Three types of diamond surface (hydrogen-, oxygen-, fluorine-terminated… read more here.
Keywords: nitrogen terminated; diamond; terminated diamond; spectroscopy ... See more keywords
Normally-off hydrogen-terminated diamond field effect transistor with yttrium gate
Sign Up to like & getrecommendations! Published in 2021 at "Carbon"
DOI: 10.1016/j.carbon.2021.01.121
Abstract: Abstract The normally-off Yttrium (Y) gate hydrogen-terminated (H-terminated) diamond field effect transistor (FET) with 5 nm Al2O3 dielectric layer has been successfully fabricated and evaluated in this work. The threshold voltage is extracted to be -… read more here.
Keywords: hydrogen terminated; terminated diamond; yttrium gate; diamond field ... See more keywords
Normally-off hydrogen-terminated diamond field-effect transistor with Al 2 O 3 dielectric layer formed by thermal oxidation of Al
Sign Up to like & getrecommendations! Published in 2018 at "Diamond and Related Materials"
DOI: 10.1016/j.diamond.2017.11.016
Abstract: Abstract Fabrication of normally-off hydrogen-terminated diamond field-effect transistors (FET) has been carried out by using 3 nm Al2O3 dielectric layer, which was formed by thermally oxidizing 3 nm Al in air. 100 nm Al was covered on the… read more here.
Keywords: hydrogen terminated; dielectric layer; terminated diamond; gate ... See more keywords
H-terminated diamond RF MOSFETs with AlOx/SiNx bi-layer passivation and selectively etched T-shaped gates
Sign Up to like & getrecommendations! Published in 2020 at "Diamond and Related Materials"
DOI: 10.1016/j.diamond.2020.108160
Abstract: Abstract This paper reports a novel ALD-AlOx/PECVD-SiNx bi-layer structure to passivate the surface channels of the hydrogen terminated diamond transistors. The upper SiNx was selectively etched to fabricate the robust T-shaped gates, while the lower… read more here.
Keywords: sinx layer; alox sinx; terminated diamond; shaped gates ... See more keywords
Al2O3 dielectric layers on H-terminated diamond: Controlling surface conductivity
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Physics"
DOI: 10.1063/1.4985808
Abstract: This study investigates how the surface conductivity of H-terminated diamond can be preserved and stabilized by using a dielectric layer with an in situ post-deposition treatment. Thin layers of Al2O3 were grown by plasma enhanced… read more here.
Keywords: layer; terminated diamond; surface; diamond ... See more keywords
Kelvin probe force microscopy studies of the charge effects upon adsorption of carbon nanotubes and C60 fullerenes on hydrogen-terminated diamond
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5019486
Abstract: Hydrogen-terminated diamond is known for its unusually high surface conductivity that is ascribed to its negative electron affinity. In the presence of acceptor molecules, electrons are expected to transfer from the surface to the acceptor,… read more here.
Keywords: microscopy; terminated diamond; surface; carbon nanotubes ... See more keywords
Palladium forms Ohmic contact on hydrogen-terminated diamond down to 4 K
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/1.5141775
Abstract: A hydrogen-terminated diamond (H-terminated diamond) surface supports a two-dimensional (2D) p-type surface conductivity when exposed to the atmosphere, as a result of the surface transfer doping process. The formation of reliable Ohmic contacts that persist… read more here.
Keywords: hydrogen terminated; terminated diamond; ohmic contact; diamond ... See more keywords
Hydrogen-terminated diamond field-effect transistor with a bilayer dielectric of HfSiON/Al2O3
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/5.0002120
Abstract: The fabrication of a single-crystal hydrogen-terminated diamond metal-oxide-semiconductor field-effect transistor (MOSFET) with HfSiON/Al2O3 bilayer dielectric has been carried out. HfSiON and Al2O... read more here.
Keywords: hydrogen terminated; terminated diamond; hfsion; effect transistor ... See more keywords
Investigation of charge carrier trapping in H-terminated diamond devices
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0026104
Abstract: Surfaces and interfaces can dominate charge carrier transport dynamics in electronic devices, impeding realization of a material's full potential. Here, we investigate transport in a two-terminal diamond device comprising a conductive channel defined by a… read more here.
Keywords: terminated diamond; carrier trapping; charge; charge carrier ... See more keywords
Refractory W Ohmic Contacts to H-Terminated Diamond
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2020.3009174
Abstract: A major challenge facing diamond electronics is creating reliable and stable ohmic contacts to a hydrogen-terminated diamond (D:H) conducting surface. In this work, we explore a novel contact-first approach for creating refractory, scalable, and self-aligned… read more here.
Keywords: contact; refractory ohmic; terminated diamond; contacts terminated ... See more keywords