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Nuclear magnetic resonance study of Li-exchanged zeolites. I. Cation spin dynamics: 7Li in hydrated A, X, and Y zeolitesa)
7Li spin-lattice relaxation times (T1) were measured at 25 MHz in hydrated Li-exchanged A, X, and Y zeolites over the temperature range between 140 and 330 K. By comparing 7Li 1/T1 in hydrated (H2O) z...
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Adsorption and desorption and structural phase transition near Tc on Ni surfaces with atomic-beam scattering
The adsorption and desorption of hydrogen, oxygen, carbon monoxide, and ethylene on Ni(110) and of hydrogen on Ni(100) were monitored with He-atomic beam scattering. The attenuation of the specular be...

Evidence for ``subsurface'' hydrogen on Pd(110): An intermediate between chemisorbed and dissolved species

J. Chem. Phys. 78, 7486 (1983); doi:10.1063/1.444739

Issue Date: 15 June 1983

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R. J. Behm, V. Penka, M.-G. Cattania, K. Christmann, and G. Ertl
Institut für Physikalische Chemie der Universität München, Sophienstrasse 11, D 8000 München 2, Federal Republic of Germany
We report experimental evidence for the formation of a ``subsurface'' hydrogen species at 130 K on a Pd(110) single crystal surface. This is well separated by distinct activation energy barriers from species which are chemisorbed or which are dissolved in the Pd bulk, thereby confirming a model of H absorption in Pd in which a subsurface state acts as a reaction intermediate. The Journal of Chemical Physics is copyrighted by The American Institute of Physics.
History: Received 7 September 1982; accepted 28 February 1983
Permalink: http://link.aip.org/link/?JCPSA6/78/7486/1
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KEYWORDS and PACS

Keywords
PACS
  • 82.65.My
    Physical chemistry Surface processes Sorption and accommodation coefficients
  • 82.65.Nz
    Physical chemistry Surface processes Other gassurface interactions
  • YEAR: 1983

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
AIP is a member of CrossRef AIP

REFERENCES (21)
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