TY - JOUR
T1 - The dispersion force of physical adsorption. I. Local theory
AU - Jiang, Xue Pei
AU - Toigo, Flavio
AU - Cole, Milton W.
N1 - Funding Information:
* Research supported by NSF Grants DMR-8113262 and INT-8219606, Italy-US Cooperative Program, and NATO Grant 616/83.
PY - 1984/10/1
Y1 - 1984/10/1
N2 - A theory is presented for the second term of the series representing the asymptotic atom-surface interaction: V(z) ∼ - C3(z - z0)-3 - C5(z - z0)-5... The expression for C5 is analogous to that for C3, with the quadrupole polarizability y replacing the dipole polarizability α. Numerical results are obtained for H, Na, Cs and noble gas atoms interacting with the surfaces of noble metals, Al, LiF, graphite and MgO. In general, C5 C3 is of order γ0 α0, i.e., the ratio of static adatom polarizabilities. Examples are presented to show that the calculated term involving C5 should be included in the vicinity of the potential minimum.
AB - A theory is presented for the second term of the series representing the asymptotic atom-surface interaction: V(z) ∼ - C3(z - z0)-3 - C5(z - z0)-5... The expression for C5 is analogous to that for C3, with the quadrupole polarizability y replacing the dipole polarizability α. Numerical results are obtained for H, Na, Cs and noble gas atoms interacting with the surfaces of noble metals, Al, LiF, graphite and MgO. In general, C5 C3 is of order γ0 α0, i.e., the ratio of static adatom polarizabilities. Examples are presented to show that the calculated term involving C5 should be included in the vicinity of the potential minimum.
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U2 - 10.1016/0039-6028(84)90082-7
DO - 10.1016/0039-6028(84)90082-7
M3 - Article
AN - SCOPUS:0041755181
SN - 0039-6028
VL - 145
SP - 281
EP - 293
JO - Surface Science
JF - Surface Science
IS - 2-3
ER -