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Abstract:

The surface conductivity changes for UPD and UPS of Cu, Ag, Tl, Cd, Pb and Bi on gold and of Tl, Cd, Pb and Bi on silver were measured. At low coverages the relative resistance change, ΔR R depends linearly upon the adatom coverage, θ, obeying Linde's rule for the surface. At intermediate coverages ΔR R goes through a maximum and then decreases. The values of ΔR R at the maximum and at θ≅1 follows the sequence of the atomic radius of the adsorbate. The change of the specularity parameter, Δp, at θ≅1 indicates that the more dense the surface adlayer is, the more specularly the electrons are reflected. The shape of the ΔR R versus θ curve is explained qualitatively in terms of the structure of the adlayer and the distance between the adatoms. © 1988.

Registro:

Documento: Artículo
Título:Surface conductivity changes during the electrochemical adsorption of UPD layers on silver and gold
Autor:Romeo, F.M.; Tucceri, R.I.; Posadas, D.
Filiación:Departamento de Química Inorgánica, Analítica y Química Fisica, Facultad de Ciencias Exactas] y Naturales, Universidad de Buenos Aires, Pabellón II, Ciudad Universitaria, Nuñez, Buenos Aires, Argentina
Division Electroquímica, Institute de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Facultad de Ciencias Exactas, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina
Año:1988
Volumen:203
Número:1-2
Página de inicio:186
Página de fin:200
DOI: http://dx.doi.org/10.1016/0039-6028(88)90203-8
Título revista:Surface Science
Título revista abreviado:Surf Sci
ISSN:00396028
CODEN:SUSCA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00396028_v203_n1-2_p186_Romeo

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Citas:

---------- APA ----------
Romeo, F.M., Tucceri, R.I. & Posadas, D. (1988) . Surface conductivity changes during the electrochemical adsorption of UPD layers on silver and gold. Surface Science, 203(1-2), 186-200.
http://dx.doi.org/10.1016/0039-6028(88)90203-8
---------- CHICAGO ----------
Romeo, F.M., Tucceri, R.I., Posadas, D. "Surface conductivity changes during the electrochemical adsorption of UPD layers on silver and gold" . Surface Science 203, no. 1-2 (1988) : 186-200.
http://dx.doi.org/10.1016/0039-6028(88)90203-8
---------- MLA ----------
Romeo, F.M., Tucceri, R.I., Posadas, D. "Surface conductivity changes during the electrochemical adsorption of UPD layers on silver and gold" . Surface Science, vol. 203, no. 1-2, 1988, pp. 186-200.
http://dx.doi.org/10.1016/0039-6028(88)90203-8
---------- VANCOUVER ----------
Romeo, F.M., Tucceri, R.I., Posadas, D. Surface conductivity changes during the electrochemical adsorption of UPD layers on silver and gold. Surf Sci. 1988;203(1-2):186-200.
http://dx.doi.org/10.1016/0039-6028(88)90203-8