Search Results - "Hannon, J.B."

A new aberration-corrected, energy-filtered LEEM/PEEM instrument II. Operation and results by Tromp, R.M., Hannon, J.B., Wan, W., Berghaus, A., Schaff, O.

“…In Part I we described a new design for an aberration-corrected Low Energy Electron Microscope (LEEM) and Photo Electron Emission Microscope (PEEM) equipped…”
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Ultrathin $hbox Al_2hbox O_3$ and $hboxHfO_2$ Gate Dielectrics on Surface-Nitrided Ge by Chen, J.J.-H., Bojarczuk, N.A., Shang, H., Copel, M., Hannon, J.B., Karasinski, J., Preisler, E., Banerjee, S.K., Guha, S.

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The influence of the surface migration of gold on the growth of silicon nanowires by Hannon, J. B, Kodambaka, S, Ross, F. M, Tromp, R. M

“…Interest in nanowires continues to grow, fuelled in part by applications in nanotechnology. The ability to engineer nanowire properties makes them especially…”
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A new aberration-corrected, energy-filtered LEEM/PEEM instrument. I. Principles and design by Tromp, R.M., Hannon, J.B., Ellis, A.W., Wan, W., Berghaus, A., Schaff, O.

“…We describe a new design for an aberration-corrected low energy electron microscope (LEEM) and photo electron emission microscope (PEEM), equipped with an…”
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Vibrations of potassium at Pt(111) and formation of KOH studied by electron energy-loss spectroscopy by Klünker, C, Steimer, C, Hannon, J.B, Giesen, M, Ibach, H

“…We have characterized the adsorption of K at the Pt(111) surface at room temperature by electron energy-loss spectroscopy. The vibrational frequency of…”
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LEEM investigation of the faceting of the Pt covered W(111) surface by Pelhos, K., Hannon, J.B., Kellogg, G.L., Madey, T.E.

“…A low energy electron microscope has been used to investigate the faceting of W(111) as induced by Pt. The atomically rough W(111) surface, when fully covered…”
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Composting of green waste shredded by a crush/cut roller versus a low speed counter-rotating shear shredder by Hannon, J.B, Mason, I.G

“…Green waste was shredded at a commercial composting site by a conventional commercial low speed counter-rotating shear type shredder and an alternative…”
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Ultrathin Al2O3 and HfO2 gate dielectrics on surface-nitrided Ge by JER-HUEIH CHEN, James, BOJARCZUK, Nestor A, HUILING SHANG, COPEL, Matthew, HANNON, James B, KARASINSKI, Joseph, PREISLER, Edward, BANERJEE, Sanjay K, GUHA, Supratik

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Origins of nanoscale heterogeneity in ultrathin films by Hannon, J B, Sun, J, Pohl, K, Kellogg, G L

“…A key challenge in thin-film growth is controlling structure and composition at the atomic scale. We have used spatially resolved electron scattering to…”
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Anomalous Spiral Motion of Steps Near Dislocations on Silicon Surfaces by Hannon, J.B, Shenoy, V.B, Schwarz, K.W

“…We have used low-energy electron microscopy to measure step motion on Si(111) and Si(001) near dislocations during growth and sublimation. Steps on Si(111)…”
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Surface Self-Diffusion by Vacancy Motion: Island Ripening on Cu(001) by Hannon, J. B., Klünker, C., Giesen, M., Ibach, H., Bartelt, N. C., Hamilton, J. C.

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Surface Stress and Thermodynamic Nanoscale Size Selection by Hannon, J. B., Tersoff, J., Tromp, R. M.

“…Using the Si(111) surface as an example, we show how temperature can be used to tune the size of domains during a surface phase transition. From analysis of…”
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Ultrathin Al/sub 2/O/sub 3/ and HfO/sub 2/ gate dielectrics on surface-nitrided Ge by James Jer-Hueih Chen, Bojarezuk, N.A., Huiling Shang, Copel, M., Hannon, J.B., Karasinski, J., Preisler, E., Banerjee, S.K., Guha, S.

“…We have studied ultrathin Al/sub 2/O/sub 3/ and HfO/sub 2/ gate dielectrics on Ge grown by ultrahigh vacuum-reactive atomic-beam deposition and ultraviolet…”
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Diffusion Kinetics in the Pd/Cu(001) Surface Alloy by GRANT,M.L., SWARTZENTRUBER,BRIAN S., BARTELT,NORMAN C., HANNON,J.B.

“…We use atom-tracking scanning tunneling microscopy to study the diffusion of Pd in the Pd/Cu(001) surface alloy. By following the motion of individual Pd atoms…”
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The stability of triangular ‘droplet’ phases on Si(1 1 1) by Hannon, J.B., Tersoff, J., Tromp, R.M.

“…Using continuum elasticity theory, we investigate the stability of coexisting 7×7 and ‘1×1’ phases on Si(1 1 1) as a function of temperature. We find that of…”
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Step Faceting at the (001) Surface of Boron Doped Silicon by Hannon, J. B., Bartelt, N. C., Swartzentruber, B. S., Hamilton, J. C., Kellogg, G. L.

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Anomalous interplanar expansion at the (0001) surface of Be by DAVIS, H. L, HANNON, J. B, RAY, K. B, PLUMMER, E. W

“…Analysis of low-energy electron diffraction spectra for Be(0001) shows that the interplanar spacing between the first and second planes is expanded by 5.8% or…”
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Island formation during deposition or etching by Bartelt, M.C., Hannon, J.B., Schmid, A.K., Stoldt, C.R., Evans, J.W.

“…The behavior of a non-equilibrium lattice-gas model for irreversible formation of two-dimensional islands during submonolayer deposition or etching is examined…”
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Vibrational modes of the Cu(100)-c(2 × 2)-Pd surface by Hannon, J.B., Ibach, H., Stoltze, Per

“…The vibrational modes of the surface have been measured using electron-energy loss spectroscopy. The measured mode energies are compared to dynamical models…”
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The low-temperature incorporation of Mn at the Cu(1113) surface by Hannon, J.B., Ibach, H.

“…We have studied the incorporation rate of Mn at a vicinal Cu(100) surface as a function of substrate temperature using electron energy-loss spectroscopy. We…”
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