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Related papers: Ion Beam Synthesis of embedded SiC

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Ion-implantation of normally insulating polymers offers an alternative to depositing conjugated organics onto plastic films to make electronic circuits. We used a 50 keV nitrogen ion beam to mix a thin 10 nm Sn/Sb alloy film into the…

Superconductivity · Physics 2007-05-23 A. P. Micolich , E. Tavenner , B. J. Powell , A. R. Hamilton , M. T. Curry , R. E. Giedd , P. Meredith

Raman spectroscopy has been used to identify defective bonding in neon and silicon ion irradiated single crystals of 6H-SiC. Observable differences exist in the C-C bonding region corresponding to different defect structures for neon and…

Materials Science · Physics 2020-07-06 Alexander J. Leide , Matthew J. Lloyd , Richard I. Todd , David E. J. Armstrong

Confined microexplosions induced in silicon by powerful ultrashort laser pulses can lead to new Si phases. Some of these have not previously been observed via near-equilibrium compression of silicon. In this study, confocal Raman…

Materials Science · Physics 2020-10-07 L. A. Smillie , M. Niihori , L. Rapp , B. Haberl , J. S. Williams , J. E. Bradby , C. J. Pickard , A. V. Rode

The orthorhombic phase of Si-doped Fe carbide is synthesized at high pressures and temperatures using laser-heated diamond anvil cell (LHDAC), followed by its characterization using X-ray diffraction (XRD) measurements, Transmission…

Materials Science · Physics 2020-11-17 Pinku Saha , Konstantin Glazyrin , Goutam Dev Mukherjee

We survey the Si K edge structure in various absorbed Galactic low-mass X-ray binaries (LMXBs) to study states of silicon in the inter- and circum-stellar medium. The bulk of these LMXBs lie toward the Galactic bulge region and all have…

Astrophysics of Galaxies · Physics 2016-08-17 Norbert S. Schulz , Lia Corrales , Claude R. Canizares

Low-energy ion beam modification was proposed to create graphene on the top of the insulated diamond-like carbon films. In such low-temperature fabrication process the surface of the amorphous carbon could crystallize to graphene as a…

Materials Science · Physics 2015-05-27 Savcho Tinchev

Single photon emitters in silicon carbide (SiC) are attracting attention as quantum photonic systems. However, to achieve scalable devices it is essential to generate single photon emitters at desired locations on demand. Here we report the…

We present a computational study of the void-induced microstructure in amorphous silicon ($\it a$-Si) by generating ultra-large models of $\it a$-Si with a void-volume fraction of 0.3$\%$, as observed in small-angle x-ray scattering (SAXS)…

Disordered Systems and Neural Networks · Physics 2019-10-02 Durga Paudel , Raymond Atta-Fynn , David A. Drabold , Parthapratim Biswas

Kinetic 3D lattice Monte Carlo studies are presented on Si nanocrystal (NC) formation by phase separation in 1 keV Si implanted thin SiO2 films. The simulation start from Si depth profiles calculated using the dynamic, high-fluence binary…

Materials Science · Physics 2007-05-23 T. Mueller , K. -H. Heinig , W. Moeller

In this work We report on the extensive characterization of amorphous silicon carbide (a-SiC) coatings prepared by physical deposition methods. We compare the results obtained on two different sputtering systems (a standard RF magnetron…

Peculiarities of formation of inclusions of amorphous Si (a-Si) phase in Si-rich Si oxynitride films grown by plasma-enhanced chemical vapor deposition (PECVD) are studied by combined Raman scattering and infrared (IR) absorption…

Materials Science · Physics 2026-01-21 M. V. Voitovych , A. Sarikov , V. O. Yukhymchuk , V. V. Voitovych , M. O. Semenenko

We have synthesized an orthorhombic phase of nickel and silicon doped Fe$_{7}$C$_{3}$ at high-pressure and high temperature using a laser-heated diamond anvil cell. The synthesized material is characterized using X-ray diffraction (XRD),…

Materials Science · Physics 2023-04-04 Bishnupada Ghosh , Mrinmay Sahu , Pinku Saha , Nico Giordano , Goutam Dev Mukherjee

4H-silicon carbide is a promising platform for solid-state quantum technology due to its commercial availability as a wide bandgap semiconductor and ability to host numerous spin-active color centers. Integrating color centers into…

A controllable synthesis method for SiC-SiO$_{2}$ nanocables has been proposed. The diameter of SiC core and thickness of SiO$_{2}$ shell were changed by adjusting the flow ratio between Ar dilution gas and ethanol precursor. With…

Materials Science · Physics 2015-08-19 Ryongjin Kim , Song-Jin Im , Ju-Myong Han , Yong-Hua Han , Tae-Hua Pak , Yong-Guk Choe , Sam-Hyok Choe

The annealing kinetics of the high energy ion damage in amorphous silicon dioxide (a-SiO2) are still not well understood, despite the material's widespread application in material science, physics, geology, and biology. This study…

The bottleneck in achieving fully integrated silicon photonics lies in silicon-based light-emitting devices that are compatible with standard CMOS technology. Dislocation loops by implanting boron into silicon and annealing represents an…

Optics · Physics 2024-01-19 Xiaoming Wang , Jiajing He , Yaping Dan

Si nanocrystals (Si-NC) in a-SiOx<Er> were created by high temperature annealing. Si-NC samples have large emission in a broadband region, 700nm to 1000nm. Annealing temperature, annealing time, substrate type, and erbium concentration is…

Optics · Physics 2008-06-10 D. S. L Figueira , D. Mustafa , L. R. Tessler , N. C. Frateschi

An absorption feature is occasionally reported around 11 microns in astronomical spectra, including those of forming stars. Candidate carriers include water ice, polycyclic aromatic hydrocarbons (PAHs), silicon carbide, crystalline…

Solar and Stellar Astrophysics · Physics 2016-11-02 Christopher M Wright , Tho Do Duy , Warrick Lawson

The formation of boron carbide under high pressures and from elemental reactants has been studied and optimum parameters have been determined by varying the (P, T, reactants) conditions. To this end, stoichiometric mixtures of commercial…

Materials Science · Physics 2021-07-23 Amrita Chakraborti , Nicolas Guignot , Nathalie Vast , Yann Le Godec

Ion irradiation can cause burrowing of nanoparticles in substrates, strongly depending on the material properties and irradiation parameters. In this study, we demonstrate that the sinking process can be accomplished with ion irradiation of…

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