Results 191 to 200 of about 4,813 (241)
Laser deposited cubic boron nitride films
Carbon, 1990 ABSTRACTWe report the successful growth of cubic boron nitride thin films on single crystal 100 silicon by using pulsed excimer laser ablation of a hexagonal boron nitride bulk target. Optical emission spectra were obtained during the film deposition giving insight into the deposition mechanism.
Gary L. Doll +3 more
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Chemical Physics Letters, 2019 Tribological performances of epoxy resin composite coatings using hexagonal boron nitride and cubic boron nitride nanoparticles as ...
Wenjie Zhao
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Optical properties of cubic boron nitride
Physical Review B, 1995Optical properties of cubic boron nitride were studied in the spectral range from 400 to 50 000 ${\mathrm{cm}}^{\mathrm{\ensuremath{-}}1}$. Raman-scattering, absorption, and reflection spectra were measured. The regions of the one-phonon and multiphonon absorption were studied in detail and the energies of the phonons were determined. The dispersion of
Eremets, M. +6 more
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Ultrahard nanotwinned cubic boron nitride
Nature, 2013Cubic boron nitride (cBN) is a well known superhard material that has a wide range of industrial applications. Nanostructuring of cBN is an effective way to improve its hardness by virtue of the Hall-Petch effect--the tendency for hardness to increase with decreasing grain size.
Yongjun, Tian +14 more
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Optical constants of cubic boron nitride
Physical Review B, 1989The optical constants of cubic boron nitride were determined for the first time in the vacuum ultraviolet. The fundamental optical-absorption edge determined from these optical constants is 6.1\ifmmode\pm\else\textpm\fi{}0.2 eV.
, Miyata +4 more
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Diamond and Related Materials, 2015 Cubic boron nitride, being only second to diamond for its hardness and possessing superior thermal stability is suitable for a wide range of applications.
Manuela Pacella, Michael W Fay
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Diamond and Related Materials, 2000
Abstract The use of Raman spectroscopy, and in particular Raman line shifts, to measure stress in diamond and nitrides such as gallium nitride (GaN), is well known. In both diamond and GaN the application is principally to study stresses in thin films and at the substrate–thin film interface.
R.M. Erasmus, J.D. Comins, M.L. Fish
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Abstract The use of Raman spectroscopy, and in particular Raman line shifts, to measure stress in diamond and nitrides such as gallium nitride (GaN), is well known. In both diamond and GaN the application is principally to study stresses in thin films and at the substrate–thin film interface.
R.M. Erasmus, J.D. Comins, M.L. Fish
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Electronic correlations of cubic boron nitride
Physical Review B, 1991We have calculated total and binding energies of zinc-blende-structure boron nitride. Starting from a self-consistent-field ground-state calculation within a finite basis of Gaussian orbitals centered at the different atoms, the electron correlations were treated by applying the local ansatz.
, Ganduglia-Pirovano, , Stollhoff
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Semiconducting cubic boron nitride
Diamond and Related Materials, 1998Abstract We present new developments in the preparation of semiconducting cubic boron nitride. The thin films were grown on (100) silicon substrates using electron cyclotron resonance (ECR) ion-assisted magnetron sputtering with the kinetic energy of the incident nitrogen ions controlled by a dc substrate bias.
Dmitri Litvinov +2 more
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Synthesis of Cubic Boron Nitride by Decomposition of Magnesium Boron Nitride
Journal of the American Ceramic Society, 1992Cubic boron nitride ( c ‐BN) was synthesized by the decomposition of Mg 3 BN 3 under high pressure and high temperature.
Satoshi Nakano +2 more
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