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Nature Materials, 2021
The processes of metallic asperities moving across each other, which are decisive in most machinery, have been visualized at the atomic scale, revealing unexpected behaviour especially when under tensile stress.
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The processes of metallic asperities moving across each other, which are decisive in most machinery, have been visualized at the atomic scale, revealing unexpected behaviour especially when under tensile stress.
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Nano Letters, 2023
Direct-write processes enable the alteration or deposition of materials in a continuous, directable, sequential fashion. In this work, we demonstrate an electron beam direct-write process in an aberration-corrected scanning transmission electron microscope.
Ondrej Dyck +2 more
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Direct-write processes enable the alteration or deposition of materials in a continuous, directable, sequential fashion. In this work, we demonstrate an electron beam direct-write process in an aberration-corrected scanning transmission electron microscope.
Ondrej Dyck +2 more
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Anisotropy of atom–atom repulsions
Journal of Computational Chemistry, 1994AbstractWe describe investigations of the short‐range repulsion part of the intermolecular potential using a test particle approach. This approach provides an economical method of constructing reasonably accurate model repulsion potentials and demonstrates the importance of anisotropy in describing the short‐range repulsion.
Antony J. Stone, Chong Sze Tong
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Reports on Progress in Physics, 2014
Atomic manipulation using a scanning tunneling microscope (STM) tip enables the construction of quantum structures on an atom-by-atom basis, as well as the investigation of the electronic and dynamical properties of individual atoms on a one-atom-at-a-time basis.
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Atomic manipulation using a scanning tunneling microscope (STM) tip enables the construction of quantum structures on an atom-by-atom basis, as well as the investigation of the electronic and dynamical properties of individual atoms on a one-atom-at-a-time basis.
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ATOMIC CLOCKS AND COLD ATOM SCATTERING
Laser Spectroscopy, 2002We demonstrate a Rb fountain clock which has a small cold collision shift that is cancelled by detuning the microwave cavity. To further enhance the stability and accuracy, we are currently developing a new state detection technique that directly measures population differences and are juggling atoms in the fountain. Fountain clocks also enable a novel
Fertig, C. +5 more
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Superradiators created atom by atom
Science, 2018Collective emission is observed from atoms dropping singly through a resonator ...
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1991
Abstract Atomic collisions are normal1y termed elastic or inelastic. The former lead simply to momentt1m transfer between the collision partners, or equivalently to a change in the direction of their motions; the latter lead also to a simultaneous transfer of energy between internal motion and translation.
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Abstract Atomic collisions are normal1y termed elastic or inelastic. The former lead simply to momentt1m transfer between the collision partners, or equivalently to a change in the direction of their motions; the latter lead also to a simultaneous transfer of energy between internal motion and translation.
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International Quantum Electronics Conference, 2005., 2005
Cold atoms trapped and manipulated on atom chips can provide a basis for sensitive detection and for quantum information processing devices.
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Cold atoms trapped and manipulated on atom chips can provide a basis for sensitive detection and for quantum information processing devices.
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