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Type Causey, R.; Hsu, W.; Mills, B.; Ehrenberg, J.; Phillips, V.
  Publication Tritium Retention And Migration In Beryllium Volume (down) Journal Article
Pages 1990
  Abstract Journal Of Nuclear Materials  
  Corporate Author J. Nucl. Mater.  
Publisher 176  
Editor
  Summary Language 654-660 Series Editor  
Abbreviated Series Title With the recent successful operation in JET, beryllium must be considered a leading plasma-facing material. However, little is known about beryllium's hydrogen isotope retention and migration properties. This paper presents the results of a coordinated experimental program performed to characterize the hydrogen isotope retention and release in beryllium. In the first set of experiments, measurements of the plasma-driven permeation of deuterium through beryllium membranes were conducted. No detectable permeation was obtained for temperatures below 670 K, and the higher temperature results were strongly affected by the oxide layers on the samples. In the second set of experiments, samples were exposed to a D-T plasma in the Tritium Plasma Experiment. The samples were subsequently removed for dissolution tritium counting. The retention was seen to initially decrease with increasing exposure temperature, but reached a local maximum at 770 K.
  Series Issue Jet Joint Undertaking,Abingdon Ox14 3ea,Oxon,England ISSN  
Medium
  Expedition Elsevier Science Bv Notes  
Call Number  
Contribution Id English  
Serial URL ISBN  
0022-3115 ISI:A1990FC48200101 no NU @ karnesky @ 10009
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Current, Michael I.; Seidman, David N. Sputtering of tungsten: a direct view of a near surface depleted zone created by a single 30 keV63 Cu+ projectile Journal Article 1980 Nuclear Instruments and Methods 170 1-3 377-381 The vacancy structure of near-surface depleted zone (DZ), created by a single 30 keV 63Cu+ ion in a tungsten field-ion microscope (FIM) specimen, was determined with atomic resolution. Both the irradiation and pulse field-evaporation experiments were performed in situ at less, approximate11 K, so that the observed vacancy structure was unaltered by the long-range migration of self-interstitial atoms. The following basic physical quantities were measured: (1) the number of vacancies; (2) the dimensions; (3) the vacancy concentration; (4) the distribution of first-nearest-neighbor vacancy clusters; and (5) the radial-distribution function for the vacancies out to ninth-nearest neighbor. The values of these quantitieswere shown to be similar for both the near-surface DZ and DZs created in the bulk of the same specimen by 30 keV 63Cu+ projectiles. no 8862
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Kellogg, G. L.; Brenner, S. S. Atomic-level studies of superconducting YBa2Cu3O7-x Journal Article 1988 Am. Inst. Phys. Conf. Proc. 165 123 high Tc superconductor APFIM no 4105
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Cerezo, A.; Abraham, M.; Lane, H.; Larson, D. J.; Thuvander, M.; Seto, K.; Warren, P. J.; Smith, W., G D Three-dimensional atomic scale analysis of interfaces Journal Article 1999 Electron Microsc. Anal. 1999 161 29-34 no 9012
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Müller, E. W.; Rendulic, K. D. Field ion microscopical imaging of biomolecules Journal Article 1967 Science 156 organic and biological molecules; Field Ion Microscopy no 5915
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Kramer, Lawrence S.; Tack, William T.; Fernandes, Micky T. Scandium in Aluminum Alloys Journal Article 1997 Advanced Materials & Processes 152 4 23-24 no NU @ karnesky @ 205
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Serena, P. A.; Escapa, L.; Saenz, J. J.; Garcia, N.; Rohrer, H. Coherent electron-emission from point sources Journal Article 1988 J. Microsc. 152 no 4186
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Hren, J. J.; Kellogg, G. L. Field-ion microscopy and atom-probe mass spectroscopy of sulfur on the (111) plane of nickel Journal Article 1984 Surface Science Surf. Sci. 147, no 8573
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Everett, K. G.; Walck, S. D.; Schmid, G. M.; Hren, J. J. A field ion microscope - imaging atom probe study of the underpotential deposition of copper on platinum Journal Article 1984 Surface Science Surf. Sci. 145, atom probe field ion microscopy no 8548
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Miller, M. K.; Burke, M. G.; Brenner, S. S. Measurement of characteristic wavelengths in modulated microstructures by field-ion microscopy Journal Article 1985 J. Microsc. 139, modulations FIM FeBe wavelength no 8794
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