Abstract
To assess the importance of coupling to electron-hole pair (ehp) excitations for molecular sticking, scattering, and diffusion dynamics at metal surfaces, simulations of the CO/Cu(100) system were performed using the “molecular dynamics with electronic frictions” method. Over a range of incident translational energies, energy losses to ehp excitations produce a moderate increase in sticking probability and account for 5%–10% of initial translational energy in scattered molecules, significantly less than phonon losses. Vibrational excitation and deexcitation of scattered molecules, while remaining a minor pathway for energy flow, is strongly affected by the inclusion of ehp excitations. Finally, although equilibrium diffusion constants are unaffected by the inclusion of coupling to ehp, it causes a significant quenching of transient mobility following adsorption of translationally hot molecules.
References
41
Referenced
78
10.1016/0039-6028(75)90339-8
/ Surf. Sci. (1975){'key': '2023062608594099200_r2', 'first-page': '479', 'volume': '38', 'year': '1977', 'journal-title': 'J. Phys. (Paris)'}
/ J. Phys. (Paris) (1977)10.1016/0039-6028(79)90611-3
/ Surf. Sci. (1979)10.1103/PhysRevB.22.2603
/ Phys. Rev. B (1980)10.1016/0038-1098(80)90814-5
/ Solid State Commun. (1980)10.1088/0022-3719/14/21/023
/ J. Phys. C (1981)10.1103/PhysRevB.22.1629
/ Phys. Rev. B (1980)10.1103/PhysRevB.27.5113
/ Phys. Rev. B (1983)10.1063/1.447993
/ J. Chem. Phys. (1984)10.1016/0039-6028(84)90528-4
/ Surf. Sci. (1984)10.1016/0039-6028(90)90416-6
/ Surf. Sci. Lett. (1990)10.1103/PhysRevA.55.R10
/ Phys. Rev. B (1997){'key': '2023062608594099200_r11', 'first-page': '10', 'volume': '103', 'year': '1995', 'journal-title': 'J. Chem. Phys.'}
/ J. Chem. Phys. (1995)10.1116/1.578522
/ J. Vac. Sci. Technol. A (1993)10.1016/0039-6028(94)00569-9
/ Surf. Sci. (1994)10.1016/0301-0104(95)00316-9
/ Chem. Phys. (1996)10.1103/PhysRevLett.43.363
/ Phys. Rev. Lett. (1979)10.1103/PhysRevLett.43.360
/ Phys. Rev. Lett. (1979)10.1063/1.1677603
/ J. Chem. Phys. (1972)10.1063/1.470941
/ J. Chem. Phys. (1996){'key': '2023062608594099200_r16a'}
10.1063/1.438490
/ J. Chem. Phys. (1979)10.1016/0039-6028(87)90036-7
/ Surf. Sci. (1987)10.1016/0009-2614(93)89185-K
/ Chem. Phys. Lett. (1993)10.1016/0009-2614(91)87132-U
/ Chem. Phys. Lett. (1991)10.1016/0368-2048(87)80081-6
/ J. Electron Spectrosc. Relat. Phenom. (1987){'key': '2023062608594099200_r22', 'first-page': '642', 'volume': '91', 'year': '1989', 'journal-title': 'J. Chem. Phys.'}
/ J. Chem. Phys. (1989){'key': '2023062608594099200_r23'}
10.1103/PhysRevLett.55.1904
/ Phys. Rev. Lett. (1985)10.1103/PhysRevB.52.6042
/ Phys. Rev. B (1995)10.1016/0039-6028(86)91054-X
/ Surf. Sci. (1986)10.1103/PhysRevB.46.14
/ Phys. Rev. B (1992)10.1103/PhysRevB.27.6121
/ Phys. Rev. B (1983)10.1021/cr9502209
/ Chem. Rev. (1996)10.1116/1.571403
/ J. Vac. Sci. Technol. (1982)10.1063/1.468435
/ J. Chem. Phys. (1994)10.1063/1.474304
/ J. Chem. Phys. (1997)10.1103/PhysRevLett.77.5241
/ Phys. Rev. Lett. (1996)10.1063/1.462954
/ J. Chem. Phys. (1992)10.1016/0039-6028(94)90734-X
/ Surf. Sci. (1994)10.1063/1.471877
/ J. Chem. Phys. (1996)
Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:17 a.m.) |
Deposited | 2 years, 2 months ago (June 26, 2023, 7:43 a.m.) |
Indexed | 1 year, 1 month ago (July 2, 2024, 7:10 a.m.) |
Issued | 26 years, 11 months ago (Sept. 1, 1998) |
Published | 26 years, 11 months ago (Sept. 1, 1998) |
Published Print | 26 years, 11 months ago (Sept. 1, 1998) |
@article{Kindt_1998, title={Electron-hole pair contributions to scattering, sticking, and surface diffusion: CO on Cu(100)}, volume={109}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.476960}, DOI={10.1063/1.476960}, number={9}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Kindt, James T. and Tully, John C. and Head-Gordon, Martin and Gomez, Maria A.}, year={1998}, month=sep, pages={3629–3636} }