Search Results - "Alexandrowicz, G."

Two-Dimensional Wetting of a Stepped Copper Surface by Lin, C, Avidor, N, Corem, G, Godsi, O, Alexandrowicz, G, Darling, G R, Hodgson, A

“…Highly corrugated, stepped surfaces present regular 1D arrays of binding sites, creating a complex, heterogeneous environment to water. Rather than decorating…”
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Magnetically Focused Molecular Beam of Ortho-Water by Kravchuk, T, Reznikov, M, Tichonov, P, Avidor, N, Meir, Y, Bekkerman, A, Alexandrowicz, G

“…Like dihydrogen, water exists as two spin isomers, ortho and para, with the nuclear magnetic moments of the hydrogen atoms either parallel or antiparallel. The…”
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Helium-3 spin-echo: Principles and application to dynamics at surfaces by Jardine, A.P., Hedgeland, H., Alexandrowicz, G., Allison, W., Ellis, J.

“…In this review we give a detailed description of the recently developed helium-3 spin-echo technique and its application to several classes of surface dynamic…”
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In Situ NMR Measurements of Vapor Deposited Ice by Lisitsin-Baranovsky, E, Delage, S, Sucre, O, Ofer, O, Ayotte, P, Alexandrowicz, G

“…In situ NMR spin–lattice relaxation measurements were performed on several vapor deposited ices. The measurements, which span more than 6 orders of magnitude…”
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How Atomic Steps Modify Diffusion and Inter-adsorbate Forces: Empirical Evidence from Hopping Dynamics in Na/Cu(115) by Godsi, O, Corem, G, Kravchuk, T, Bertram, C, Morgenstern, K, Hedgeland, H, Jardine, A. P, Allison, W, Ellis, J, Alexandrowicz, G

“…We followed the collective atomic-scale motion of Na atoms on a vicinal Cu(115) surface within a time scale of pico- to nanoseconds using helium spin echo…”
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Measurement of single-molecule frictional dissipation in a prototypical nanoscale system by Hedgeland, H, Fouquet, P, Jardine, A. P, Alexandrowicz, G, Allison, W, Ellis, J

“…Fast-moving nanoscale systems offer the tantalizing possibility for rapid processing of materials, energy or information. Frictional forces can easily dominate…”
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Determination of the quantum contribution to the activated motion of hydrogen on a metal surface: H/Pt(111) by Jardine, A P, Lee, E Y M, Ward, D J, Alexandrowicz, G, Hedgeland, H, Allison, W, Ellis, J, Pollak, E

“…Measurements of the atomic-scale motion of H and D atoms on the Pt(111) surface, above the crossover temperature to deep tunneling, are presented. The results…”
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Parallel and anti-parallel echoes in beam spin echo experiments by Litvin, I., Alkoby, Y., Godsi, O., Alexandrowicz, G., Maniv, T.

“…•Non-adiabatic transitions in beam spin echo experiments give rise to two simultaneous spin echo conditions. The refocusing of velocity-dependent spin-phase is…”
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Onset of 3D collective surface diffusion in the presence of lateral interactions: Na/Cu(001) by Alexandrowicz, G, Jardine, A P, Hedgeland, H, Allison, W, Ellis, J

“…3He spin-echo measurements are used to follow the picosecond motion of sodium atoms on a copper (001) substrate. 2D correlated motion arising from repulsive…”
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Highly Proton-Ordered Water Structures on Oxygen Precovered Ru{0001} by Avidor, N, Hedgeland, H, Held, G, Jardine, A. P, Allison, W, Ellis, J, Kravchuk, T, Alexandrowicz, G

“…We present helium scattering measurements of a water ad-layer grown on a O(2 × 1)/Ru(0001) surface. The adsorbed water layer results in a well ordered helium…”
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Measurement of single-molecule frictional dissipation in a prototypical nanoscale system by Hedgeland, H., Fouquet, P., Jardine, A. P., Alexandrowicz, G., Allison, W., Ellis, J.

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Probing molecule–surface interactions through ultra-fast adsorbate dynamics: propane/Pt(111) by Jardine, A P, Hedgeland, H, Ward, D, Xiaoqing, Y, Allison, W, Ellis, J, Alexandrowicz, G

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Three-Dimensional Pulsed ESR Fourier Imaging by Feintuch, A, Alexandrowicz, G, Tashma, T, Boasson, Y, Grayevsky, A, Kaplan, N

“…Three-dimensional pulsed ESR imaging was performed on a (FA)2PF6 crystal using a three-dimensional Fourier imaging sequence. The best resolution achieved was…”
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Restricted electron motion in 1D organic conductors : PGSE-ESR in (PE)2PF6 and (FA)2PF6 by TASHMA, T, ALEXANDROWICZ, G, KAPLAN, N, DORMANN, E, GRAYEVSKY, A, GABAY, A

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Surface dynamics and friction of K/Cu(001) characterized by helium-3 spin-echo and density functional theory by Hedgeland, H., Kole, P. R., Davies, H. R., Jardine, A. P., Alexandrowicz, G., Allison, W., Ellis, J., Fratesi, G., Brivio, G. P.

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Ultrahigh-Resolution Spin-Echo Measurement of Surface Potential Energy Landscapes by Jardine, Andrew P., Dworski, Shechar, Fouquet, Peter, Alexandrowicz, Gil, Riley, David J., Gabriel Y. H. Lee, Ellis, John, Allison, William

“…We demonstrate two approaches that use the recently developed helium spin-echo technique to measure surface potential energy landscapes. For helium-lithium…”
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Anticorrelated stereodynamics of scattering and sticking of H2 molecules colliding with a reactive surface by Chadwick, H, Zhang, G, Baker, C. J, Smith, P. L, Alexandrowicz, G

“…When hydrogen molecules collide with a surface, they can either scatter away from the surface or stick to the surface through a dissociation reaction which…”
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Miniature self-contained intravascular magnetic resonance (IVMI) probe for clinical applications by Blank, Aharon, Alexandrowicz, Gil, Muchnik, Lev, Tidhar, Gil, Schneiderman, Jacob, Virmani, Renu, Golan, Erez

“…A miniature (1.73 mm in diameter) NMR probe, which contains a magnet and a radiofrequency (RF) coil, is presented. This probe is integrated at the tip of a…”
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Observation of microscopic CO dynamics on Cu(001) using 3He spin-echo spectroscopy by Alexandrowicz, G, Jardine, A P, Fouquet, P, Dworski, S, Allison, W, Ellis, J

“…We present momentum resolved measurements of quasielastic helium atom scattering made using a new 3He spin-echo spectrometer. Our data for the dynamics of CO…”
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Observation of Microscopic CO Dynamics on Cu(001) Using H 3 e Spin-Echo Spectroscopy by Alexandrowicz, G., Jardine, A. P., Fouquet, P., Dworski, S., Allison, W., Ellis, J.

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