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Oxidation of atomic hydrogen adsorbed on nickel

✍ Scribed by G.T. Burstein; G.A. Wright

Publisher
Elsevier Science
Year
1974
Weight
139 KB
Volume
50
Category
Article
ISSN
0022-0728

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✦ Synopsis

A study has been made of the anodic dissolution of nickel in acidic bromide solutions by a potentiostatic sweep technique 1.

Rotating disc electrodes were used. In solutions of low bromide concentration (1.00 M HC104, 0.005 M HBr) several potential sweeps were made which extended into the cathodic region. Following cathodisation, the sweep direction was reversed into the anodic region, and a hump was produced in the pola~risation curves. This hump was attributed to the oxidation of adsorbed hydrogen atoms:

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Dynamics of atomic adsorbates: hydrogen
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We have measured the absolute changes induced in the far infrared reflectivity by H and D atoms adsorbed on Cu(lll). The strongest features in the spectra are the dipole forbidden parallel vibrational modes which give rise to anti-absorption peaks with an intensity almost 10 times higher than that o