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Comments on the magnitude and sign of the quasifree electron energy in the rare‐gas solids as inferred from ESR studies of Frenkel impurity states
1.B. E. Springett, J. Jortner, and M. H. Cohen, J. Chem. Phys. 48, 2720 (1968).
2.Electrons in Fluids, edited by J. Jortner and N. R. Kestner (Springer, Berlin, 1973).
3.International Conference on Electrons in Fluids, Banff, Alberta, Canada, Sept. 1976,
3.Can. J. Chem. 55, 1797 (1977).
4.See, for example, the reviews by (a) B. Raz and J. Jortner, Ref. 2, p. 412;
4.(b) J. Jortner and A. Gaathon, Ref. 3, p. 1801.
5.B. E. Springett, M. H. Cohen, and J. Jortner, Phys. Rev. 159, 183 (1967).
6.B. Raz and J. Jortner, Chem. Phys. Lett. 9, 224 (1971).
7.B. Raz and J. Jortner, Proc. R. Soc. London Ser. A 137, 113 (1970).
8.The inert gas atoms have no mechanism by which they can strongly attract an additional electron from the impurity atom. They consist of closed shell orbitals whose first excited state lies extremely high in energy
9.R. Catterall and P. P. Edwards, Chem. Phys. Lett. 42, 540 (1976).
10.C. K. Jen, S. N. Foner, E. L. Cochran, and V. A. Bowers, Phys. Rev. 112, 1169 (1958).
11.S. N. Foner, E. L. Cochran, V. A. Bowers, and C. K. Jen, J. Chem. Phys. 32, 963 (1960), and references therein.
12.E. Fermi, Z. Phys. 60, 320 (1930).
13.E. Fermi and E. Segré, Z. Phys. 82, 799 (1933).
14.F. J. Adrian, J. Chem. Phys. 32, 972 (1960).
15.See also the related work of D. Y. Smith, Ph.D. thesis, University of Rochester, 1962, on file with University Microfilms, Michigan.
16.J. O. Hirschfelder, C. F. Curtiss, and R. B. Bird, Molecular Theory of Gases and Liquids (Wiley, New York, 1954), p. 955.
17.D. Y. Smith, Phys. Rev. 131, 2056 (1963);
17.D. Y. Smith, Phys. Rev. Sect. A 133, 1087 (1964).
18.For the H:Ar, H:Kr, and H:Xe systems we consider only the magnetic parameters (Ref. 11) obtained when low energy H atoms are deposited directly from the gas phase. As such lattice distortions around the trapping site are minimized. In general, photolytically produced H atoms in these systems give rise to a multitude of trapping sites with the attendant problems of characterization and analysis. Solid Ne represents a special case. Attempts to trap H atoms by direct deposition experiments were unsuccessful. Baldini has noted similar problems in his optical studies of H(D):Ne films [G. Baldini, Phys. Rev. Sect. A 136, 248 (1964)]which he attributed to the large zero point in solid Ne (note in addition the large value of the surface tension of liquid Ne, Ref. 1). Therefore for the H:Ne system we use the data from photolytically produced H atoms. In the Ne matrix, only one H atom trapping site is stabilized by the photolytic technique. Foner et al. (Ref. 11) have suggested that if the deposition technique could be successfully applied to solid Ne then the magnetic properties would be identical with those obtained by photolysis.
19.A. Gedanken, B. Raz, and J. Jortner, Chem. Phys. Lett. 14, 326 (1972).
20.Optical pumping experiments on alkali metal vapors in the presence of buffer gases indicate that the buffer gas produces a similar pertubation on the alkali atom ns wave function [M. Arditi and T. R. Carver, Phys. Rev. 112, 449 (1958)]. Of greatest interest to the present discussion is the observation that the light buffer gases (He, Ne) produce a compression of the ns wave function while the heavier gases (Kr, Xe) produce an expansion of the wave function. Once again the trend is consistent with the changes in
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