Comments on some experimental measures of the non-metal to metal transition in thin films

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences

Volumn 356, Issue 1735, 1998, Pages 267-278

  Dowben, P A ^a  

^a UNIVERSITY OF NEBRASKA LINCOLN   (United States)

Author keywords

Experimental methods; Probes of metallicity; Thin films

Indexed keywords

EID: 3042874559     PISSN: 1364503X     EISSN: None     Source Type: Journal    
DOI: 10.1098/rsta.1998.0163     Document Type: Review

References (112)

1. Andersen, J. N., Qvarford, M., Nyholm, R., van Acker, J. F. & Lundgren, E. 1991 Intermixing in the Na on Al(111) system. Phys. Rev. Lett. 68, 94.
2. Arekat, S., Kevan, S. D. & Richmond, G. L. 1993 Threshold phenomena in nonlinear currents upon metallization of Si(001). Europhys. Lett. 22, 337.
3. Aruga, T., Tochihara, H. & Murata, Y. 1984 Measurement of overlayer-plasmon dispersion in K chains adsorbed on Si(001) 2 × 1. Phys. Rev. Lett. 53, 372.
4. Aruga, T., Tochihara, H. & Murata, Y. 1986 Valence electronic structure of potassium adsorbed on Cu(100) deduced from work function change and electron energy loss. Phys. Rev. B 34, 8237.
5. Binns, C. & Norris, C. 1991 High resolution photoemission study of the peierls instability in thallium chains on Cu(100). J. Phys. Cond. Matt. 3, 5425.
6. Bozovic, I., Kim, J. H., Harris, J. S., Eom, C. B., Phillips, J. M. & Cheung, J. T. 1994 Reflectance and Raman spectra of metallic oxides, LaSrCoO and CaSrRuO: resemblence to superconducting cuprates. Phys. Rev. Lett. 73, 1436.
7. Bréchignac, C., Broyer, M., Cahuzac, Ph., Delacretaz, G., Labastie, P., Wolf, J. P. & Wöste, L. 1988 Probing the transition from van der Waals to metallic mercury clusters. Phys. Rev. Lett. 60, 275.
8. Brickman, W. F. & Rice, T. 1970 Application of Gutzwiller's variational method to the metal-insulator transition. Phys. Rev. B 2, 4302.
9. Cao, R., Miyano, K., Kendelewicz, T., Lindau, I. & Spicer, W. E. 1989 Low temperature alkali metal/III-V interfaces: a study of metallization and Fermi level movement. J. Vac. Sci. Technol B 7, 919.
10. Castro, G. R., Pervan, P., Michel, E. G., Miranda, R. & Wandelt, K. 1990 Interaction of potassium with Si(100) 2 × 1. Vacuum 41, 564.
11. Ciraci, S. & Batra, I. P. 1988 Surface metallization of silicon by potassium adsorption on Si(100) 2 × 1. Phys. Rev. B 37, 2955.
12. Continentino, M. A. 1992 Twisted boundary conditions and effective mass close to a Mott transition. Phys. Rev. B 45, 11312 (and references therein).
13. DiNardo, N. J., Maeda Wong, T. & Plummer, E. W. 1990, Semiconductor to metal transition in an ultrathin interface: Cs/GasAs(110). Phys. Rev. Lett. 65, 2177.
14. Dowben, P. A., Kime, Y. J., Varma, S., Onellion, M. & Erskine, J. L. 1987 The interaction of Hg overlayers with an Ag(100) surface. Phys. Rev. B 36, 2519.
15. Dowben, P. A., Varma, S., Kime, Y. J., Mueller, D. R. & Onellion, M. 1988a The correlation strain and electronic structure in monolayer thick films. Z. Physik B 73, 247.
16. Dowben, P. A., Onellion, M. & Kime, Y. J. 1988b The influence of metal substrates on the electronic structure of overlayers. Scanning Microscopy 2, 177.
17. Dowben, P. A. & LaGraffe, D. 1990 Coverage dependent changes in the barium overlayer electronic structure on Ni(111). Phys. Lett. A144, 193.
18. Dowben, P. A., Kime, Y. J., Hutchings, C. W., Li, W. & Vidali, G. 1990a Energetics of mercury adsorption on Cu(100). Surf. Sci. 230, 113.
19. Dowben, P. A., Kime, Y. J., LaGraffe, D. & Onellion, M. 1990b The influence of chemical environment upon the mercury 5d electronic structure. Surf. Int. Analysis 15, 163.
20. Dowben, P. A., LaGraffe, D., Li, D., Vidali, G., Zhang, L., Dottl, L. & Onellion, M. 1991 Probing the metal-nonmetal transition in thin metal overlayers using resonant photoemission. Phys. Rev. B 43, 10677.
21. Dowben, P. A., McIlroy, D. N., Zhang, J. & Rühl, E. 1996 When are thin films of metals metallic? Part III. Mat. Sci. Engng A 217/218, 258.
22. Egelhoff, W. F., Perry, D. L. & Linnett, J. W. 1976 Adsorption of mercury on tungsten (100) Studied by ultra-violet photoelectron spectroscopy. Surf. Sci. 54, 670.
23. Enta, Y., Kinoshita, T., Suzuki, S. & Kono, S. 1989 Angle resolved ultraviolet photoelectron spectroscopic saudy of Si(100) 2 × 1/K and Si(100) 2 × 1/Cs surfaces. Phys. Rev. B 39, 1125.
24. Fedorov, A. V., Arenholz, E., Starke, K., Navas, E., Baumgarten, L., Laubshat, C. & Kaindl, G. 1994 Surface shifts of 4f electron addition and electron removal states in Gd(0001). Phys. Rev. Lett. 73, 601.
25. Fischer, G. & Hoffman, H. 1980 Size quantization of electronic states in very thin platinum films. Z. Physik B 39, 287.
26. Gayman, A., Geserich, H. P. & von Löhneysen, H. 1993 Far infrared reflectance spectra of Si:P near the metal-insulator transition. Phys. Rev. Lett. 71, 3681.
27. 3 exhibiting giant magnetoresistance. Phys. Rev. B 54, 14899.
28. Haberland, H., Kronmeier, H., Langosch, H., Oschwald, M. & Tanner, G. 1990 Experimental study of the transition from van der Waals, over covalent to metallic bonding in mercury clusters. J. Chem. Soc. Faraday Trans. 86, 2473.
29. Haberland, H., von Issendorff, B., Yufeng, J. & Kolar, T. 1992 Transition to plasmon-like adsorption in small Hg clusters. Phys. Rev. Lett. 69, 3212.
30. Haberland, H., von Issendorff, B., Yufeng, J., Kolar, T. & Thanner, G. 1993 Ground state and response mercury clusters. Z. Phys. D 26, 8.
31. Hamawi, A. & Walldén, L. 1992 Monolayer coverage dependence for the surface photovoltage of Si(100)/Na. J. Vac. Sci. Technol. B 10, 1914.
32. Hasegawa, S. & Ino, S. 1992 Surface structures and conductance at epitaxial growths of Ag and Au on the Si(111) surface. Phys. Rev. Lett. 68, 1192.
33. Hensel, F. 1990 Critical behavior of metallic liquids. J. Phys. Condens. Matt. 2, SA33.
34. Heskett, D., Tang, D., McLean, A. B., Ludeke, R., Prietsch, M., Wong, T. M., Plummer, E. W. & DiNardo, N. J. 1991 Metal induced states on the GaAs(110) surface probed by angle resolved photoemission spectroscopy. Appl. Surf. Sci. 48/49, 260.
35. Hoffman, F. M., Persson, B. N. J., Walter, W., King, D. A., Hirschmugl, C. J. & Williams, G. P. 1994 Antiabsorption resonances in infrared reflectance spectroscopy of alkali-Cu(111) adsorbates systems: is the ground state a surface charge density wave condensate? Phys. Rev. Lett. 72, 1257.
36. Hollering, R. W. J., Dijkkamp, D., Lindelauf, H. W. L., van der Heide, P. A. M. & Krijn, M. P. C. M. 1990 Optical second-harmonic generation study of barium deposition on Si(100). J. Vac. Sci. Technol. A 8, 3997.
37. Horn, K., Hohfeld, A., Somers, J., Linder, Th., Hollins, P. & Bradshaw, A. M. 1988 Identification of the s-derived valence electron level in photoemission from alkali metal adlayers on aluminum. Phys. Rev. Lett. 61, 2488.
38. Jalochowski, M. & Bauer, E. 1988 Resistance oscillations and crossover in ultrathin gold films. Phys. Rev. B 37, 8622.
39. Johansson, L. S. O. & Reihl, B. 1991 Empty surface states on the Si(100) 2 × 1 surface: evidence for overlayer metallization. Phys. Rev. Lett. 67, 2191.
40. Kaldor, A. 1991 Electronic structure of deposited monozied metal clusters. Z. Phys. D 20, 385.
41. 3. Phys. Rev. Lett. 77, 2081.
42. Katrich, G. A., Klimov, V. V. & Yakovkin, I. N. 1994 Interrelation between atomic and electronic structure of alkaline earth adlayers on Mo(112) and Re(10-10). J. Electron. Spectrosc. Rel. Phenom. 68, 369.
43. Kevan, S. D. & Stoffel, N. G. 1984 Metal-insulator transition on the Ge(001) surface. Phys. Rev. Lett. 53, 702.
44. Kimberlin, K. R. & Tringides, M. C. 1995 Flux dependence of in-situ electron transport in Ag/Si(111). J. Vac. Sci. Technol. A13, 462.
45. Lang, N. D. 1973 Density functional formalism and the electronic structure of metal surfaces. In Solid State Physics (ed. H. Ehrenreich, F. Seitz & D. Turnbull), vol. 28, p. 225. New York, London: Academic Press.
46. Li, D., Zhang, J., Lee, S. & Dowben, P. A. 1992 Evidence for the formation of metallic mercury overlayers on Si(111). Phys. Rev. B 45, 11876.
47. Li, W., Lin, J., Karimi, M., Dowben, P. A. & Viadli, G. 1992 The three dimensional structure of the ordered phases of mercury on Cu(100). Phys. Rev. B 45, 3708.
48. Liebsch, A. 1991 Electronic excitations in adsorbed alkali metal layers. Phys. Rev. Lett. 67, 2858.
49. Likalter, A. A. 1992 The metal to nonmetal transition in displaced atomic terms. J. Phys. Cond. Matt. 4, 10125.
50. Lindgren, S. A. & Walldén, L. 1980 Electronic structure of clean and oxygen exposed Na and Cs monolayers on Cu(111). Phys. Rev. B 22, 5967.
51. c superconductors. Phys. Rev. Lett. 73, 1019.
52. Luo, E. Z., Heun, S., Kennedy, M., Wollschläger, J. & Henzler, M. 1994 Surface roughness and conductivity of thin Ag films. Phys. Rev. B 49, 4858.
53. March, N. H., Suzuki, M. & Parrinello, M. 1979 Phenomological theory of first and second order metal insulator transitions at absolute zero. Phys. Rev. B 19, 2027.
54. 3 (A = Ca,Ba). Phys. Rev. B 54, 17438.
55. McIlroy, D. N., Waldfried, C., McAvoy, T., Choi, J., Dowben, P. A. & Heskett, D. 1997 The nonmetal to metal transition with alkali doping of films of molecular icosahedra. Chem. Phys. Lett. 264, 168.
56. McRae, A. U., Müller, K., Lander, J. J., Morrison, J. & Phillips, J. C. 1969 Electronic and lattice structure of cesium films adsorbed on tungsten,. Phys. Rev. Lett. 22, 1048.
57. Michel, E. G., Pervan, P., Castro, G. R., Miranda, R. & Wandelt, K. 1992 Structural and electronic properties of K/Si(100) 2 × 1. Phys. Rev. B 45, 11811.
58. Mott, N. F. 1961 The transition to the metallic state. Phil. Mag. 6, 287.
59. Mott, N. F. 1990 Metal insulator transitions. London: Taylor and Francis.
60. Mott, N. F. & Davis, E. A. 1971 Electronic processes in disordered materials. Oxford: Clarendon Press.
61. Musatov, A. L. & Smirnov, S. Yu. 1992 Surface photovoltage spectra and surface states of GaAs(100) with submonolayers of Cu and Pd. Surf. Sci. 269/270, 1048.
62. Muscat, J. P. & Newns, D. M. 1979 Electronic structure of adsorbed alkali atoms for comparison with UPS data. Surf. Sci. 84, 262.
63. Nishigaki, S., Matsuda, S., Sasaki, T., Kawanishi, N., Ikeda, Y. & Takeda, H. 1990 Metastable de-excitation spectroscopy study on the local valence electron states of the K/Si(100) 2 × 1 surface. Surf. Sci. 231, 271.
64. Oellig, E. M., Michel, E. G., Asensio, M. C., Miranda, R., Durán, J. C., Munoz, A. & Flores, F. 1988 K/Si(100) 2 × 1: a case study for the transfer of charge between alkali metals and semiconductor surfaces. Europhys. Lett. 5, 727.
65. 3. Phys. Rev. Lett. 75, 109.
66. Olson, C. G., Wu, X., Chen, Z.-L. & Lynch, D. W. 1995 A new metastable 'semi-metallic' phase of europium. Phys. Rev. Lett. 74, 992.
67. Onellion, M., Erskine, J. L., Kime, Y. J., Varma, S. & Dowben, P. A. 1986 Structure induced electronic states for Hg overlayers on Ag(100). Phys. Rev. B 33, 8833.
68. Onellion, M., Kime, Y. J., Dowben, P. A. & Tache, N. 1987 The influence of lattice parameter upon the electronic structure of thin mercury overlayers. J. Phys. C 20, L633.
69. Ortega, J. E., Himpsel, F. J., Li, D. & Dowben, P. A. 1994 Initial and final state contributions to the core level shifts for Gd(0001). Solid State Commun. 91, 807.
70. 3/GaAs(100). J. Vac. Sci. Technol. A13, 200.
71. Park, J.-H., Chen, C. T., Cheong, S.-W., Bao, W., Meigs, G., Chakarian, V. & Idzerda, Y. U. 1996 Electronic aspects of the feromagnetic transition in manganese perovskites. Phys. Rev. Lett. 76, 4215.
72. Persson, B. N. J. & Dubois, L. H. 1989 Work function, optical absorption and second harmonic generation from alkali metal atoms adsorbed on metal surfaces. Phys. Rev. B 39, 8220.
73. Plummer, E. W. & Dowben, P. A. 1993 When are thin films of metals metallic? Prog. Surf. Sci. 42, 201.
74. Plummer, E. W., Carpinelli, J. M., Weitering, H. H. & Dowben, P. A. 1994 When are thin films of metals metallic? Part II. Phys. Low Dimen. Systems 4/5, 99.
75. Popielawski, J. 1978 On the optical criterion for the Mott transition. Physica Status Solidi B 88, 241.
76. Rademann, K., Kaiser, B., Even, U. & Hensel, F. 1987 Size dependence of the gradual transition to metallic properties in isolated mercury clusters. Phys. Rev. Lett. 59, 2319.
77. 3 Phys. Rev. B 50, 10122.
78. Raz, B., Gedanken, A., Even, U. & Jortner, J. 1972 Screening of Wannier exciton states near the metal insulator transition. Phys. Rev. Lett. 28, 1643.
79. Reihl, B., Dudde, R., Johansson, L. S. O. & Magnusson, K. O. 1992 Electronic structure of alkali metal layers on semiconductor surfaces. Appl. Phys. A 55, 449.
80. Riffe, D. M., Wertheim, G. K., Rowe, J. E. & Citrin, P. H. 1992 Coverage dependence of K adsorption on Si(100) 2 × 1 by core level photoemission: structure, charge transfer and metallization. Phys. Rev. B 45, 3532.
81. Roll, A. & Motz, H. 1957 Der elektrische widerstand von metallischen schmelzen. 1. Messmethode und elektrischer widerstand von geschmolzen reinen metallin. Z. Metallkunde 48, 272.
82. Rubenstein, M., Rachford, F. J., Fuller, W. W. & Prinz, G. A. 1988 Electrical transport properties of thin epitaxial grown iron films. Phys. Rev. B 37, 8689.
83. Ruppel, M. & Rademann, K. 1994 Probing the nonmetal to metal transition of divalent elements: direct experimental observation of discrete electronic shells in cadmium clusters. Z. Phys. Chem. 184, 265.
84. Santoro, G. E. & Giuliani, G. F. 1989 Electron self-energy in two dimensions. Phys. Rev. B 39, 12818.
85. Schad, R., Heun, S., Heidenblut, T. & Henzler, M. 1992 Metallic and nonmetallic conductivity of thin epitaxial silver films. Phys. Rev. B 45, 11430.
86. Schmalz, A., Aminpirooz, S., Becker, L., Haase, J., Batchelor, D. R., Adams, D. L. & Bøgh, E. Unusual chemisorption structure of Na on Al(111): a SEXAFS study. Surf. Sci. 269/270, 659.
87. Seymour, D. L., McConville, C. F., Woodruff, D. P. & Inglesfield, J. E. 1989 Plasmon satellites in core level photoemission from sodium layers on Al(111). Surf. Sci. 214, 57.
88. Singh, N. K., Dale, P., Bullett, D. & Jones, R. G. 1994 Mercury adsorption on Ni(111). III. Surface electronic structure. Surf. Sci. 294, 333 (and references therein).
89. Sinha, S., Srivastava, P. L. & Singh, R. N. 1989 Temperature-dependent structure and electrical transport in liquid metals. J. Phys. Cond. Matt. 1, 1695.
90. Singh, P. P. 1994 Relativitic effects in mercury: atom, clusters and bulk. Phys. Rev. B 49, 4954.
91. Smith, K. E. 1997 Metal to non-metal transitions in solids and on surfaces studied using photoemission spectroscopy. A. Rep. Prog. Chem. 92, 253.
92. Smoluchowski, R. 1941 Anisotropy of the electron work function of metals. Phys. Rev. 60, 661.
93. Stampfl, C., Scheffler, M., Over, H., Burchhardt, J., Nielsen, M., Adams, D. L. & Moritz, W. 1992 Identification of stable and metastable adsorption sites of K adsorption on Al(111). Phys. Rev. Lett. 69, 1532.
94. Tochihara, H. 1983 Electronic excitations in K monolayers adsorbed on Si(100) 2 × 1. Surf. Sci. 126, 523.
95. Tochihara, H. & Murata, Y. 1982 Observation of the plasmon excitation in a Cs overlayer on Si(100) 2 × 1. J. Phys. Soc. Jpn 51, 2920.
96. 4. Phys. Rev. B 53, 14558.
97. 3(111)/Cr(110) surface. Phys. Rev. B46, 12892.
98. 3He: an almost localized Fermi liquid. Rev. Mod. Phys. 56, 99.
99. Waddill, G. D., Komeda, T., Yang, Y.-N. & Weaver, J. H. 1990 Photoemission from metal dots on GaAs(11): surface photovoltages and conductivity. Phys. Rev. B41, 10283.
100. 3. J. Phys. Cond. Matt. 9, 1031.
101. Walldén, L. 1985 Surface photoelectric effect for thin metal overlayers. Phys. Rev. Lett. 54, 943.
102. Watson, G. M., Bruhwiler, P. A., Sagner, H. J., Frank, K. H. & Plummer, E. W. 1994 Observation of an abrupt nonmetal to metal transition in an alkali overlayer. Phys. Rev. B 50, 17678.
103. Weitering, H. H., Shi, X., Johnson, P. D., Chen, J., DiNardo, N. J. & Kempa, K. 1997 Mott insulating ground state on a triangular surface lattice. Phys. Rev. Lett. 78, 1331.
104. Whitman, L. J., Stroscio, J. A., Dragoset, R. A. & Celotta, R. J. 1991 Geometric and electronic properties of Cs structures on III-V (110) surfaces: from 1D and 2D insulators to 3D metals. Phys. Rev. Lett. 66, 1338.
105. Wong, T. M., Heskett, D., DiNardo, N. J. & Plummer, E. W. 1989 Nonmetallic behavior of cesium on GaAs(110). Surf. Sci. Lett. 208, L1.
106. Woratschek, B., Sesselman, W., Küppers, J., Ertl G. & Haberland, H. 1985 4s valence level of adsorbed K atoms probed by metastable-He deexcitation spectroscopy. Phys. Rev. Lett. 55, 1231.
107. Yarlagadda, S. & Giuliani, G. F. 1994 Many-body local fields and Fermi-liquid parameter in a quasi-two-dimensional electron liquid. Phys. Rev. B 49, 14188.
108. Zhang, J., Li, D. & Dowben, P. A. 1993 The metal to nonmetal transition in surface islands on metal substrates. Phys. Lett. A173, 183.
109. Zhang, J., Li, D. & Dowben, P. A. 1994a Electronic properties of metallic Hg monolayers on W(110). J. Phys. Cond. Matt. 6, 33.
110. f across the nonmetal-metal transition in Mg overlayers. Phys. Rev. B 49, 13780.
111. Zhang, J., McIlroy, D. N. & Dowben, P. A. 1995a Changes in the electron effective mass across the nonmetal metal transition in magnesium overlayers. Europhys. Lett. 29, 469.
112. Zhang, J., McIlroy, D. N. & Dowben, P. A. 1995b The correlation between screening and electron effective mass across the nonmetal metal transition in ultrathin films. Phys. Rev. B 52, 11380.