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Cornell NanoScale Science & Technology Facility
The Cornell NanoScale Science & Technology Facility (CNF) has served the US research community for more than 25 years. Subjects of research encompass physical sciences, life sciences, and engineering, particularly with inter-disciplinary emphasis. During 2002, nearly 350 Cornell and 350 external users utilized the fabrication, synthesis, characterization, and integration resources of CNF to build structures, devices, and systems from atomic to complex large-scales.
For more information, go to the CNF Home Page.
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(American Physical Society, 2014-07-07)We report the lattice thermal conductivity (κ) of cubic boron nitride (c-BN) under pressure calculated using density functional theory. Pressure was used to manipulate the c-BN phonon dispersion and study its effect on ...
Phonon Transport in Isotope-Disordered Carbon and Boron-Nitride Nanotubes: Is Localization Observable? (American Physical Society, 2008-10-13)We present an ab initio study which identifies dominant effects leading to thermal conductivity reductions in carbon and boron-nitride nanotubes with isotope disorder. Our analysis reveals that, contrary to previous ...
(American Physical Society, 2008-12-29)It has been argued that the experimentally observed limitation of heat transport through boron nitride nanotubes is due to intershell scattering rather than to inefficient heat transfer to inner shells. Using an atomistic ...
Contribution of d-band electrons to ballistic transport and scattering during electron-phonon nonequilibrium in nanoscale Au films using an ab initio density of states (American Institute of Physics (AIP), 2009-09-08)Electron-interface scattering during electron-phonon nonequilibrium in thin films creates another pathway for electron system energy loss as characteristic lengths of thin films continue to decrease. As power densities ...
First principles study of the phonon dispersion and dielectric properties of wurtzite InP: Role of In 4d electrons (American Physical Society, 2014-02-13)Although wurtzite InP nanowires have recently been grown, an accurate description of the wurtzite InP phonon dispersion is still missing. We calculate the ab initio phonon dispersion of wurtzite and zinc-blende InP using ...