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Related papers: Superconductivity in Silicon Nanostructures

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We present the findings of the superconductivity observed in the silicon nanostructures prepared by short time diffusion of boron on the n-type Si(100) surface. These Si-based nanostructures represent the p-type ultra-narrow self-assembled…

Superconductivity · Physics 2009-11-11 N. T. Bagraev , W. Gehlhoff , L. E. Klyachkin , A. M. Malyarenko , V. V. Romanov , S. A. Rykov

We present the findings of the superconductivity in the silicon nanostructures prepared by short time diffusion of boron of the n - type Si (100) surface. These Si - based nanostructures represent the p - type ultra-narrow self - assembled…

We present the findings of the studies of the silicon sandwich nanostructure that represents the high mobility ultra - narrow silicon quantum well of the p - type (Si - QW), 2 nm, confined by the delta - barriers, 3 nm, heavily doped with…

The circularly polarized electroluminescence (CPEL) from silicon nanostructures which are the p-type ultra-narrow silicon quantum well (Si-QW) confined by {\delta}-barriers heavily doped with boron, 5 10^21 cm^-3, is under study as a…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 N. T. Bagraev , L. E. Klyachkin , R. V. Kuzmin , A. M. Malyarenko

We present the first findings of the circularly polarized electroluminescence (CPEL) from silicon nanostructures which are the p-type ultra-narrow silicon quantum well (Si-QW) confined by {\delta}-barriers heavily doped with boron. The CPEL…

We present the experimental data of the electric features of the silicon nanosandwichstructures obtained by silicon planar technology in the frameworks of the Hall geometry that represent the ultra-shallow silicon quantum well of 2 nm wide…

Mesoscale and Nanoscale Physics · Physics 2020-12-01 N. I. Rul , N. T. Bagraev , L. E. Klyachkin , A. M. Malyarenko

We have produced Sn/Si core-shell cluster assemblies by a plasma-gas-condensation cluster beam deposition apparatus. For the sample with Si content = 12 at.%, the temperature dependence of electrical resistivity exhibits a metallic behavior…

Superconductivity · Physics 2015-06-11 Yuichiro Kurokawa , Takehiko Hihara , Ikuo Ichinose , Kenji Sumiyama

We present superconducting monocrystalline Silicon On Insulator thin 33 nm epilayers. They are obtained by nanosecond laser annealing under ultra-high vacuum on 300 mm wafers heavily pre-implantated with boron ($2.5\times \,10^{16}\,…

We study theoretically the effect of the fermion and boson densities on the superconductivity transition critical temperature $(T_c)$ of a two dimensional electron gas (2DEG), where superconductivity is mediated by a Bose-Einstein…

Superconductivity · Physics 2014-10-15 E. D. Cherotchenko , T. Espinosa-Ortega , A. V. Nalitov , I. A. Shelykh , A. V. Kavokin

We present ultra-shallow diffusion profiles performed by short-time diffusion of boron from the gas phase using controlled surface injection of self-interstitials and vacancies into the n-type Si(100) wafers. The diffusion profiles of this…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. T. Bagraev , A. D. Bouravleuv , W. Gehlhoff , L. E. Klyachkin , A. M. Malyarenko , V. V. Romanov , S. A. Rykov

The development of a materials platform that exhibits both superconducting and semiconducting properties is an important endeavour for a range of emerging quantum technologies. We investigate the formation of superconductivity in nanowires…

The negative-U impurity stripes confining the edge channels of semiconductor quantum wells are shown to allow the effective cooling inside in the process of the spin-dependent transport, with the reduction of the electron-electron…

Mesoscale and Nanoscale Physics · Physics 2020-12-01 N. T. Bagraev , V. Yu. Grigoryev , L. E. Klyachkin , A. M. Malyarenko , V. A. Mashkov , V. V. Romanov , N. I. Rul

We have investigated electrical transport in a diffusive multiwalled carbon nanotube contacted using superconducting leads made of Al/Ti sandwich structure. We find proximity-induced superconductivity with measured critical currents up to…

Superconductivity · Physics 2015-06-25 T. Tsuneta , L. Lechner , P. J. Hakonen

The negative-U impurity stripes confining the edge channels of semiconductor quantum wells are shown to allow the effective cooling inside in the process of the spin-dependent transport. The aforesaid promotes also the creation of composite…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 N. T. Bagraev , V. Yu. Grigoryev , L. E. Klyachkin , A. M. Malyarenko , V. A. Mashkov , V. V. Romanov

Nanoscale silicon p(+)-n junctions with very high concentration of boron, 5 10^21 cm-3, are found to demonstrate interesting optical properties. Emission band dominated in near-infrared electroluminescence (EL) spectra possesses high degree…

Mesoscale and Nanoscale Physics · Physics 2014-03-05 Nikolay Bagraev , Leonid Klyachkin , Roman Kuzmin , Anna Malyarenko , Vladimir Mashkov

We report the discovery of superconductivity in boron-doped diamond synthesized at high pressure (8-9 GPa) and temperature (2,500-2,800 K). Electrical resistivity, magnetic susceptibility, specific heat, and field-dependent resistance…

Superconductivity · Physics 2009-11-10 E. A. Ekimov , V. A. Sidorov , E. D. Bauer , N. N. Mel'nik , N. J. Curro , J. D. Thompson , S. M. Stishov

Superconducting boron doped silicon is a promising material for integrated silicon quantum devices. In particular, its low electronic density and moderate disorder make it a suitable candidate for the fabrication of large inductances with…

Superconductivity · Physics 2021-06-25 P. Bonnet , F. Chiodi , D. Flanigan , R. Delagrange , N. Brochu , D. Débarre , H. le Sueur

Polycrystalline samples of layered pnictogen diselenide NdO0.8F0.2Sb1-xBixSe2 (x = 0 to 0.8) were successfully synthesized by solid-state reactions. Electrical resistivity in the synthesized samples was systematically decreased with an…

Superconductivity is observed in a composite of rhombohedral crystalline bismuth nanoparticles imbedded in an insulating porous opal host via electrical transport and AC magnetic susceptibility. The onset of superconductivity in this system…

Superconductivity · Physics 2015-05-30 R. C. Johnson , M. D. Nieskoski , S. M. Disseler , T. E. Huber , M. J. Graf

We report on the transport properties of nanostructures made from boron-doped superconducting diamond. Starting from nanocrystalline superconducting boron-doped diamond thin films, grown by Chemical Vapor Deposition, we pattern by…

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