Search Results - "Mendis, B G"

Long Lifetime Hole Traps at Grain Boundaries in CdTe Thin-Film Photovoltaics by Mendis, B G, Gachet, D, Major, J D, Durose, K

“…A novel time-resolved cathodoluminescence method, where a pulsed electron beam is generated via the photoelectric effect, is used to probe individual CdTe…”
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Characterizing the microstructure and mechanical behavior of a two-phase NiCoCrAlY bond coat for thermal barrier systems by Hemker, K.J., Mendis, B.G., Eberl, C.

“…The performance and reliability of thermal barrier systems are greatly affected by the behavior of their bond coats. Microsample tensile experiments conducted…”
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Microstructure and point defects in CdTe nanowires for photovoltaic applications by Williams, B L, Halliday, D P, Mendis, B G, Durose, K

“…Defects in Au-catalysed CdTe nanowires vapour-liquid-solid-grown on polycrystalline underlayers have been critically evaluated. Their low-temperature…”
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Quantum theory of magnon excitation by high energy electron beams by Mendis, B.G.

“…•Magnon scattering is analysed using quantum mechanics.•Scattering cross-section is independent of vortex beam winding number.•Magnetic diffuse scattering for…”
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Grain-size stabilization by impurities and effect on stress-coupled grain growth in nanocrystalline Al thin films by Gianola, D.S., Mendis, B.G., Cheng, X.M., Hemker, K.J.

“…Room-temperature tensile experiments on sub-micrometer freestanding thin films deposited at varied base pressures reveal two distinct classes of mechanical…”
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Crystal growth of Cu2ZnSnS4 solar cell absorber by chemical vapor transport with I2 by Colombara, D., Delsante, S., Borzone, G., Mitchels, J.M., Molloy, K.C., Thomas, L.H., Mendis, B.G., Cummings, C.Y., Marken, F., Peter, L.M.

“…Single crystals of Cu2ZnSnS4 have been produced within sealed quartz ampoules via the chemical vapour transport technique using I2 as the transporting agent…”
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Coherent electron Compton scattering and the non-diagonal electron momentum density of solids by Mendis, B.G.

“…•Coherent Compton scattering is due to interference of the incident and Bragg beams.•It probes non-diagonal terms in the momentum density matrix for…”
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An inelastic multislice simulation method incorporating plasmon energy losses by Mendis, B.G.

“…•Plasmon losses are included in multislice simulations.•Monte Carlo methods are used to estimate plasmon scattering lengths and angles.•Simulations reproduce…”
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A semi-classical theory of magnetic inelastic scattering in transmission electron energy loss spectroscopy by Mendis, B.G.

“…•Magnetic energy loss cross-sections are calculated using an electrodynamic model.•Electron vortex beams are particularly suitable due to their magnetic…”
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Background subtraction in electron Compton spectroscopy by Mendis, B.G.

“…Compton scattering in electron energy loss spectroscopy (EELS) is used to quantify the momentum distribution of occupied electronic states in a solid. The…”
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Theory underpinning multislice simulations with plasmon energy losses by Mendis, B G

“…Abstract The theoretical conditions for small-angle inelastic scattering where the incident electron can effectively be treated as a particle moving in a…”
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Planck's generalised radiation law and its implications for cathodoluminescence spectra by Mendis, B.G.

“…•Planck's radiation law is used to analyse the effect of electron beam injection on CL spectra.•The importance of the quasi-Fermi level is…”
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Corrigendum to: “An inelastic multislice simulation method incorporating plasmon energy losses” [Ultramicroscopy 206 (2019) 112816] by Mendis, B.G.

“…•An error in the Equation for the plasmon scattering angle is reported…”
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Microstructural observations of as-prepared and thermal cycled NiCoCrAlY bond coats by Mendis, B.G., Tryon, B., Pollock, T.M., Hemker, K.J.

“…Microstructures of as-prepared and 1100 °C/100 h isothermally annealed NiCoCrAlY bond coat specimens as well as a bond coat obtained from an end of life…”
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Observations of reactive element gettering of sulfur in thermally grown oxide pegs by Mendis, B.G., Livi, K.J.T., Hemker, K.J.

“…Reactive elements such as yttrium are known to have a beneficial effect on oxide spallation resistance. Yttrium-rich precipitates containing sulfur were…”
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Electron energy loss spectroscopy of nano-scale CrAlYN/CrN–CrAlY(O)N/Cr(O)N multilayer coatings deposited by unbalanced magnetron sputtering by Ross, I.M., Rainforth, W.M., Seabourne, C.R., Scott, A.J., Wang, P., Mendis, B.G., Bleloch, A.L., Reinhard, C., Hovsepian, P.Eh

“…The nano-scale chemical distribution and microstructure of a nitride based wear and oxidation resistant coating prepared by unbalanced magnetron sputtering was…”
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Use of the Nye tensor in analyzing HREM images of bcc screw dislocations by Mendis, B. G., Mishin, Y., Hartley, C. S., Hemker, K. J.

“…The Nye tensor characterizes the strength of infinitesimal dislocations at each point in a continuously dislocated crystal, and provides a measure of the…”
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Quantifying Molecular Disorder in Tri-Isopropyl Silane (TIPS) Pentacene Using Variable Coherence Transmission Electron Microscopy by Alanazi, F., Eggeman, A. S., Stavrou, K., Danos, A., Monkman, A. P., Mendis, B. G.

“…Structural disorder in molecular crystals is a fundamental limitation for achieving high charge carrier mobilities. Quantifying and uncovering the mechanistic…”
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On the electron vortex beam wavefunction within a crystal by Mendis, B.G.

“…Electron vortex beams are distorted by scattering within a crystal, so that the wavefunction can effectively be decomposed into many vortex components. Using a…”
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Dynamic scattering of electron vortex beams – A Bloch wave analysis by Mendis, B.G.

“…Two important applications of electron vortex beams are in electron magnetic chiral dichroism (EMCD) measurements and nanoparticle manipulation. In both cases…”
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