Second harmonic generation from a Ag(110) surface is shown to be sensitive to submonolayer converages of O2, O, pyridine, and benzene. The second harmonic intensity as a function of exposure indicates that the orientation and bonding of pyridine adsorbed at 110 K changes at about 0.3 L.
REFERENCES
1.
N.
Bloembergen
, R. K.
Chang
, S. S.
Jha
, and C. H.
Lee
, Phys. Rev.
174
, 813
(1968
).2.
Y. R. Shen, The Principles of Nonlinear Optics (Wiley, New York, 1984), Chap. 25.
3.
H. W. K.
Tom
, C. M.
Mate
, X. D.
Zhu
, J. E.
Crowell
, T. F.
Heinz
, G. A.
Somorjai
, and Y. R.
Shen
, Phys. Rev. Lett.
52
, 348
(1984
).4.
H. W. K.
Tom
, X. D.
Zhu
, Y. R.
Shen
, and G. A.
Somorjai
, Surf. Sci.
167
, 167
(1986
).5.
T. F.
Heinz
, M. M. T.
Loy
, and W. A.
Thompson
, Phys. Rev. Lett.
54
, 63
(1985
).6.
7.
D. Heskett, K. J. Song, L. Urbach, E. W. Plummer, and H. L. Dai (unpublished results).
8.
9.
10.
N. J.
DiNardo
, Ph.
Avouris
, and J. E.
Demuth
, J. Chem. Phys.
81
, 2169
(1984
).11.
J. E.
Demuth
, K.
Christmann
, and P. N.
Sanda
, Chem. Phys. Lett.
76
, 201
(1980
).12.
13.
14.
15.
This content is only available via PDF.
© 1986 American Institute of Physics.
1986
American Institute of Physics
You do not currently have access to this content.