Results 171 to 180 of about 19,767 (230)

Cage-Based 3D Tetrahexagonal Boron Nitride Crystal with Excellent Terahertz Light Absorption. [PDF]

ACS Omega
Hussain K, Shen S, Abbas M, Suresh M, Chen B, Teng Y, Jiang Y, Liu Q, Sun Q, Ouyang Z.   +9 more
europepmc   +1 more source

Tuning Physicochemical Properties of Boron Nitride-Based Membranes via Scalable One-Step Exfoliation for Ionic and Molecular Nanofiltration. [PDF]

ACS Mater Au
Bunpheng A, Saisopa T, Iamprasertkun P, Seubsai A, Boonchun A, Sirisaksoontorn W, Hirunpinyopas W.   +6 more
europepmc   +1 more source

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Ultrahard nanotwinned cubic boron nitride

Nature, 2013
Cubic 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, Bo, Xu, Dongli, Yu, Yanming, Ma, Yanbin, Wang, Yingbing, Jiang, Wentao, Hu, Chengchun, Tang, Yufei, Gao, Kun, Luo, Zhisheng, Zhao, Li-Min, Wang, Bin, Wen, Julong, He, Zhongyuan, Liu   +14 more
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Semiconducting cubic boron nitride

Diamond and Related Materials, 1998
Abstract 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, Charles A. Taylor, Roy Clarke   +2 more
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Optical constants of cubic boron nitride

Physical Review B, 1989
The 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, , Moriki, , Mishima, , Fujisawa, , Hattori   +4 more
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Optical properties of cubic boron nitride

Physical Review B, 1995
Optical 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., Gauthier, Michel, Polian, A., Chervin, J., Besson, M., Dubitskii, A., Semenova, Ye. Ye.   +6 more
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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, Jeffrey A. Sell, Lourdes Salamanca-riba, Ashwin K. Ballal   +3 more
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Electronic correlations of cubic boron nitride

Physical Review B, 1991
We 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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Lanthanide Doped Cubic Boron Nitride

MRS Proceedings, 2002
ABSTRACTFirst basic investigations on lanthanide implanted cubic boron nitride were performed with focus on the site of the implanted ions as well as their luminescence behaviour. In order to investigate the lattice sites of lanthanides in c-BN, we implanted single crystal c-BN with radioactive 139Ce ions using the on-line isotope separator ISOLDE at ...
U. Vetter, T. Taniguchi, U. Wahl, J. Correia, A. Müller, C. Ronning, H. Hofsäss, M. Dietrich, Isolde Collaboration   +8 more
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Superhard transparent polycrystalline cubic boron nitride

Applied Physics Letters, 2021
Polycrystalline cubic boron nitride (PcBN) has been synthesized at 14 GPa and high temperatures of 1300–2000 °C in a two-stage multi-anvil cell. Sintered PcBN synthesized at 1700–1800 °C and 14 GPa with a grain size of ∼200 nm is optically transparent with a transmittance of ∼70% at wavelengths of 400–1500 nm and has the Vickers hardness of ∼63–69 GPa.
Mengxi Zhao, Zili Kou, Youjun Zhang, Bo Peng, Yipeng Wang, Zhiwei Wang, Xiaoshuang Yin, Mingli Jiang, Shixue Guan, Jiawei Zhang, Duanwei He   +10 more
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