1. A. Ignatjevs, J. B. Pendry and T. N. Rhodin, "Crystalline Xenon -A Kinematic Low-Energy Electron-Diffraction Spectrum," Phys. Rev. Lett. 26, 189 (1971).

2. A. Ignatjevs, T. N. Rhodin, S. Y. Tong, B. I. Lundquist and J. B. Pendry, "LEED Spectra Study of Temperature Effects in Crystalline Xenon Surfaces," Sol. State Comm. 9, 1851 (1971).

3. A. Ignatiev, A. V. Jones and T. N. Rhodin, "LEED Investigations of Xenon Single Crystal Films and Their Use in Studying the Ir(100) Surfaces," Surf. Sci. 30, 573 (1972).

4. A. Ignatiev and T. N. Rhodin, "The Energy and Temperature Dependence of Low-Energy Electron-Diffraction from Xenon Single Crystals," Phys. Rev. B8, 893 (1973).

5. S. Y. Tong, T. N. Rhodin and A. Ignatiev, "Layer-Dependence Surface Mean-Square Vibration Amplitudes by Low-Energy Electron Diffraction," Phys. Rev. B8, 906 (1973).

6. A. Ignatiev, F. Jona, D. W. Jepsen and P. M. Marcus, "The Structure of Overlayers. I. Se on Ag (001)," Surf. Sci. 40, 439 (1973).

7. A. Ignatiev, S. Y. Tong and T. N. Rhodin, "LEED Investigations of the Krypton (III) Surface," Surf. Sci. 42, 37 (1974).

8. A. Ignatiev and F. Jona, "Surface Debye Temperature of the Si(001) 2x2 Structure," Surf. Sci. 42, 605 (1974).

9. A. Ignatiev, F. Jona, D. W. Jepsen and P. M. Marcus, "The Atomic Arrangement in the 1x1 Structure of a Silicon Ordered Monolayer on Mo(001)," J. Vac. Sci. Tech. 12, 226 (1975).

10. A. Ignatiev, F. Jona, D. W. Jepsen and P. M. Marcus, "The Structure of Overlayers II, Si on Mo(001)," Surf. Sci. 49, 189 (1975).

11. A. Ignatiev, F. Jona, D. W. Jepsen and P. M. Marcus, "The Structure of Overlayers III, Nitrogen on Mo(001)," Surf. Sci. 49, 189 (1975).

12. A. Ignatiev, F. Jona, D. W. Jepsen and P. M. Marcus, "The Structure of the Clean Mo(001) Surface," Phys. Rev. B11, 4287 (1975).

13. B. W. Lee, A. Ignatiev, S. Y. Tong and M. A. Van Hove, "Surface Contraction of the Clean W(001) Face," J. Vac. Sci. Tech. 14, 291 (1977).

14. C. Doland, P. O'Neill and A. Ignatiev, "The Particulate Nature of Solar Absorbing Film of Gold Black," J. Vac. Sci. Technol. 14, 259 (1977).

15. A. Ignatiev, F. Jona, M. Debe, D. C. Johnson, S. J. Whitt and D. P. Woodruff, "Three Independent LEED Studies of Clean Si(100) Surfaces," J. Phys. C 10, 1109 (1977).

16. F. Jona, H. D. Shih, A. Ignatiev, D. Jepsen and P. Marcus, "Probable Atomic Structure of Reconstructed Si(001) 2x1 Surfaces Determined by LEED," J. Phys. C 10, L67 (1977).

17. P. O'Neill, C. Doland and A. Ignatiev, "The Structural Composition and Optical Properties of Solar Blacks: Gold Black," App. Opt. 16, 2822 (1977).

18. P. O'Neill, A. Ignatiev and C. Doland, "The Dependence of Optical Properties on the Structural Composition of Solar Absorber," So1ar Energy 21(6), (1978).

19. R. Alsenz, B. W. Lee, A. Ignatiev and M. A. Van Hove, "The State of the Surface of Martensitially Transforming Cobalt Single Crystals," So1. State Comm. 25, 641 (1978).

20. B. W. Lee, R. Alsenz, A. Ignatiev and M. A. Van Hove, "Surface Structure of the Two Allotropic Phases of Cobalt," Phys. Rev. B 17, 1510 (1978).

21. J. A. Taylor, G. M. Lancaster, A. Ignatiev and J. W. Rabalais, "Interactions of Ion Beams with Surfaces: Reactions of Nitrogen with Silicon and its Oxides," J. Chem. Phys. 68, (1978).

22. G. M. Lancaster, J. A. Taylor, A. Ignatiev and J. W. Rabalais, "Vacuum Ultraviolet Resonance Line Radiation Source from Rare Gas Atoms and Ions for UHV Photoelectron Spectroscopy," J. Elec. Spectro. 14, 143 (1978).

23. P. O'Neill and A. Ignatiev, "The Influence of Microstructure on the Optical Properties of Particulate Materials: Gold Black," Phys. Rev. B 15, (1978).

24. P. O'Neill, A. Ignatiev and C. Doland, "The Structural Composition and its Influence on the Optical Properties of Gold Black," AIP Conf. Proc. 40, 288 (1978).

25. A. Ignatiev, P. O'Neill, C. Doland and G. Zajac, "Microstructure Dependence of the Optical Properties of Solar Absorbing Black Chrome," App. Phys. Lett. 34, 42 (1979).

26. A. Ignatiev, P. O'Neill and G. Zajac, "The Surface Microstructure-Optical Properties Relationship in Solar Absorbers: Black Chrome," So1. Energy Mat. 1, 69 (1979).

27. G. Zajac and A. Ignatiev, "The Relationship of Optical Degradation to Surface Morphology Changes in Solar Absorbers," J. Vac. Sci. Technol. 16, 233 (1979).

28. A. Ignatiev and E. Bogh, "The Surface Sensitivity of MeV Ion Scattering," IEE Trans. on Nucl. Sci. 26, 1829 (1979).

29. A. Ignatiev, H. Nielsen and D. Adams, "Similar Surface Structures for CO and N2 Adsorbed on W(210)," J. Phys. C 11, L833 (1978).

30. A. Ignatiev and T. Matsuyama, "Relationship of Surface Composition to Enhanced Methanation Activity over Cobalt Single Crystals," J. Catal. 5, 328 (1979).

31. M. Passler, A. Ignatiev, F. Jona, D. Jepsen and P. M. Marcus, "Determination of the Ni{001} C(2x2)-CO Structure by Low Energy Electron Diffraction, Phys. Rev. Lett. 43, 360 (1979).

32. G. Zajac and A. Ignatiev, "High Temperature Optical and Structural Degradation of Black Chrome," Sol. Energy Mat. 2, 239 (1980).

33. B. W. Lee, A. Ignatiev, J. A. Taylor and J. W. Rabalais, "Atomic Structure Sensitivity of XPS: The Oxidation of Cobalt," Sol. State Comm. 33, 1205 (1980).

34. S. Tougaard and A. Ignatiev, "Electron Energy Loss Studies of the Valence Band Density State of Scandium," Surf. Interface Anal. 3, 3 (1981).

35. G. B. Smith and A. Ignatiev, "Relative Merits of Black Cobalt and Black Chrome as High Temperature Selective Absorbers," Solar Energy Mat. 2, 461 (1980).

36. G. Zajac, G. B. Smith and A. Ignatiev, "Refinement of Solar Absorbing Black Chrome and its Relationship to Optical Degradation Mechanisms," J. Appl. Phys. 51, 5544 (1980).

37. G. B. Smith and A. Ignatiev, "Black Chromium Molybdenum: A New Stable Solar Absorber," Solar Energy Mat. 4, 119 (1981).

38. G. B. Smith, A. Ignatiev and G. Zajac, "Solar Selective Black Cobalt: Preparation, Structure and Thermal Stability," J. Appl. Phys. 51, 4186 (1980).

39. T. Matsuyama and A. Ignatiev, "LEED-AES Study of the Temperature Dependent Oxidation of the Cobalt (0001) Surface," Surf. Sci. 102, 18 (1981).

40. S. Tougaard, A. Ignatiev and D. L. Adams, "Surface Structure of Scandium (0001)," Proc. 4th Intl. Conf. Solid. Surf. (Cannes, 1980).

41. M. A. Passler, A. Ignatiev, B. W. Lee, D. L. Adams and M. A. Van Hove, "Surface Structure of W{100} C(1x1)-H," Proc. Conf. Surf. Str. Deter. (Academic Press NY, 1981).

42. M. A. Passler, T. M. Lin and A. Ignatiev, "Surface Structure of the Ni(100)-C(2x2)NO System," J. Vac. Sci. Technol. 18, 481 (1981).

43. G. B. Smith, G. Zajac and A. Ignatiev, "High Flux Photochemical Change in Black Chrome Solar Absorbing Coatings," Solar Energy 29, 279 (1982).

44. G. Zajac, A. Ignatiev and G. B. Smith, "Photodesorption Studies of CO and CO2 from the Solar Absorber Black Chrome," J. Vac. Sci. Technol. 18, 379 (1981).

45. D. L. Adams, H. B. Nielsen, M. A. Van Hove and A. Ignatiev, "LEED Study of the Pt(100)-(1x2) Surface," Surf. Sci. 104, 87 (1981).

46. M. A. Passler, A. Ignatiev, J. A. Schultz and J. W. Rabalais, "Molecular and Atomic Adsorption on Surfaces: Can SIMS Differentiate Between the Two Cases?" Nucl. Inst. Meth. 191, 323 (1981).

47. M. A. Passler, A. Ignatiev, J. A. Schultz and J. W. Rabalais, "SIMS Differentiation of Molecular Adsorption of NO on a Ni(001) Surface," Chem. Phys. Let. 82, 198 (1981).

48. G. B. Smith, G. Zajac, A. Ignatiev and J. W. Rabalais, "Surface Composition of Solar Selective Black Chrome Films as Determined by SIMS," Surf. Sci. 114, 614 (1981).

49. Y. Fukuda and A. Ignatiev, "Characteristic Electron Energy Loss Structure for Clean and Oxidized Chromium Surfaces," Sol. State Comm. 41, 597 (1982).

50. N. J. Wu and A. Ignatiev, "LEED Structural Determination of the Graphite (0001) Surface," Phys. Rev. B 25, 2983 (1982).

51. N. J. Wu and A. Ignatiev, "Low-Energy-Electron-Diffraction Study of Crystalline Graphite and Potassium Overlayers on Graphite," J. Vac. Sci. Technol. 20, 896 (1982).

52. M. A. Passler, B. W. Lee and A. Ignatiev, "Surface Structure of the W(001) C(1x1)-H System," Surf. Sci. 150, 46 (1985).

53. S. Tougaard and A. Ignatiev, "Atomic Structure of the Scandium (0001) Surface," Surf. Sci. 115, 279 (1982).

54. G. Zajac and A. Ignatiev, "The High Temperature Effects of Substrate Oxidation on the Optical Responses of a Selective Solar Absorber," Thin Solid Films 9, 131 (1982).

55. A. Ignatiev, G. Zajac and G. B. Smith, "Solar Absorber Material Stability Under High Solar Flux," Proc. SPIE LA '82 Sym. 324, 170 (1982).

56. G. B. Smith, A. Ignatiev and D. Bacon, "An Introduction and Overview of Two Studies of Substrate Influence on Selective Absorber Structure and Stability," Solar Energy Mat. 9, 1 (1983).

57. D. Bacon and A. Ignatiev, "The Role of the Substrate in the Optical Degradation of Solar Absorbing Black Chrome," Solar Energy Mat. 9, 3 (1983).

58. A. Bensaoula, J. C. Wolfe, J. A. Oro and A. Ignatiev, "Deposition and Reactive Ion Etching of Molybdenum," Appl. Phys. Lett. 41, 122 (1983).

59. G. Zajac and A. Ignatiev, "Percolation-Type Behavior in Black Chrome Selective Solar Films," Appl. Phys. Lett. 41, 435 (1982).

60. S. Tougaard and A. Ignatiev, "Background Intensities in XPS Spectra from Homogeneous Metals," Surf. Sci. 124, 183 (1983).

61. S. Tougaard and A. Ignatiev, "Concentration Profiles by XPS: A New Approach," Surf. Sci. 129, 355 (1983).

62. N. J. Wu and A. Ignatiev, "Layer-by-Layer Intercalation of Potassium into the Graphite (0001) Surface," Sol. State Comm. 46, 59 (1983).

63. N. J. Wu and A. Ignatiev, "Potassium Absorption into the Graphite (0001) Surface: Intercalation," Phys. Rev. B 28, 7288 (1983).

64. A. Zomorrodian, S. Tougaard and A. Ignatiev, "Range Distributions of Low Energy Nitrogen Ions in Metals," Phys. Rev. B 30, 3124 (1984).

65. A. Zomorrodian, S. Tougaard and A. Ignatiev, "Range Distribution of Low Energy Ions in Silver and Copper," IEEE Trans. Nucl. Sci., NS-30, 1066 (1983).

66. A. Zomorrodian, S. Tougaard and A. Ignatiev, "Ion Beam Enhanced Diffusion at Surfaces," J. Vac. Sci. Technol. Al, 339 (1983).

67. A. Zomorrodian, S. Tougaard and A. Ignatiev, "Depth Profiles of Implanted Low Energy Ions in Metals," Phys. Scripta I6, 76 (1983).

68. J. Lang, K. Jamison, F. Dunning, G. Walters, M. Passler, A. Ignatiev, E. Tamura and R. Feder, "Spin Polarization in Low Energy Electron Diffraction from Ni(001) and Ni(001) C(2x2) Te," Surf. Sci. 123, 247 (1982).

69. A. Ignatiev, "Selective Solar Absorbing Coatings by Ion Implantation," in Proc. Conf. Ion Asst. Surf. Tech., (The Metals Society, London 1982).

70. A. Ignatiev, "The Optical Properties-Microstructure Relationship in Particulate Media: Optical Tailoring of Solar Absorbers," in Solar Materials Science, ed, L. E. Murr (Academic Press, New York, 1980).

71. L. Kornblit and A. Ignatiev, "The Size Effect in Radiation-Induced Segregation of Solutes in Binary Metallic Alloys," J. Nucl. Mater. 22, 2 (1984).

72. A. Ignatiev, "The Dependence of the High Temperature, High Solar Flux Stability of Materials on Surface Structure and Composition," Proc. 2nd Israel Mater. Eng. Conf., (Beer Sheva, Israel, 1982).

73. Z. P. Hu and A. Ignatiev, "Lithium Adsorption on the Graphite (0001) Surface," Phys. Rev. B 30, 4856 (1984).

74. S. Tougaard, A. Zomorrodian, L. Kornblit and A. Ignatiev, "Defect-Induced Segregation of Nitrogen Implanted in Cu," Surf. Sci. 152, 8 (1985).

75. N. J. Wu and A. Ignatiev, "Vibrational Properties of the Graphite (0001) Surface," Surf. Sci. 163, 51 (1985).

76. A. Bensaoula, J. Wolfe, A. Ignatiev, F. O. Fong and T. S. Leung, "Direct Current-Magnetron Deposition of Molybdenum and Tungsten with r.f.-Substrate Bias," J. Vac. Sci. Technol. A2, 389 (1984).

77. A. Mesarwi and A. Ignatiev, "Surface Temperatures Under High Solar Flux Illumination," Solar Energy Mater. 11, 353 (1985).

78. L. Kornblit and A. Ignatiev, "Photodesorption Threshold Energies in Semiconductors," Surf. Sci. 136, L57 (1984).

79. L. Kornblit, A. Zomorrodian, S. Tougaard and A. Ignatiev, "Low Temperature Radiation Induced Surface Segregation," Rad. Effects 91, 97 (1985).

80. N. J. Wu and A. Ignatiev, "The Graphite (0001)-(2x2)K Surface Intercalated Structure," in The Structure of Solid Surfaces-I, ed. M. Van Hove and S. Y. Tong (Springer, 1985).

81. S. Tougaard, A. Zomorrodian, L. Kornblit and A. Ignatiev, "Defect Induced Segregation of Nitrogen," J. Vac. Sci. Technol. A3, 819 (1985).

82. A. Mesarwi and A. Ignatiev, "Photodesorption Studies from Aluminum Oxide and from Adsorbates on Aluminum," J. Vac. Sci. Technol. A3, 1641 (1985).

83. N. J. Wu and A. Ignatiev, "A UHV Universal Manipulator with Direct Cooling," Rev. Sci. Insti. 56, 782 (1985).

84. L. Kornblit and A. Ignatiev, "The Surface Free Energy of Crystalline Solids," Physica 141A, 466 (1987).

85. A. Mesarwi and A. Ignatiev, "Photodesorption Studies of Adsorbate covered Aluminum Surfaces," Surface Sci. 166, 75 (1986).

86. T. Pavlovic and A. Ignatiev, "Optical and Microstructual Properties of Anodically Oxidized Aluminum", Thin Solid Films 138, 97 (1986).

87. Z. P. Hu, N. J. Wu and A. Ignatiev, "Cesium Adsorption on the Graphite (0001) Surface: The Phase Diagram," Physical Rev. B 33, 7683 (1986).

88. T. Pavolvic and A. Ignatiev, "Optical Properties of Spectrally Selective Anodically Coated Electrolytically Colored Aluminum Surfaces," Solar Energy Materials 16, 319 (1987).

89. Z. P. Hu, N. J. Wu and A. Ignatiev, "Cs Induced Work Function Changes on the Graphite (0001) Surface," Surface Science 177, L956 (1986).

90. A. Ignatiev and W. C. Fan, "The Lattice Parameter of Metallic Monolayers," J. Vac. Science and Technol. A4, 1415 (1986).

91. N. M. Nahar, G. H. Mo and A. Ignatiev, "A Spectrally Selective High Temperature Stable Al2O3-Co Solar Absorber Coating," Solar Energy Mat. 14, 129 (1986).

92. J. S. Liu and A. Ignatiev, "Optical Tailoring of Solar Absorbers by Ion Implantation," Solar Energy Materials 13, 399 (1986).

93. J. S. Liu and A. Ignatiev, "Spectrally Selective Thin Film Thermal Radiation Coatings," Thin Solid Films (in print).

94. N. M. Nahar, Y. Q. Wang, G. H. Mo, R. L. Meng, A. Ignatiev and C. W. Chu, "Perpendicular Magnetic Anistrophy in Anodized Al2O3 Thin Films Colored with Co," J. Vac. Sci. Technol. (in print).

95. A. Mesarwi, Y. Sun and A. Ignatiev, "High Flux Photo-Degradation of Materials: Stainless Steel," Energy 12, 269 (1987).

96. E. Ekwelundu and A. Ignatiev, "Low Energy Photodesorption from Si(100) Exposed to CO, CO2, NO, O2 and SO2," Surface Sci. 179, 119 (1987).

97. A. Mesarwi and A. Ignatiev, "Photo-Enhanced Oxidation of Nickel," Solid State Comm. 65 319 (1988).

98. A. Bensaoula, J. Strozier, A. Ignatiev, J. Yu, and J. Wolfe, "Ion Enhanced Etching of Tungsten Single Crystals and Films with XeF2," J. Vac. Sci. Technol. A5, 1921 (1987).

99. A. Moshfegh and A. Ignatiev, "Photo-Enhancement of the Catalytic Methanation Reaction," Energy 12, 277 (1987).

100. A. Ignatiev and A. Moshfegh, "Photo-Enhanced Catalytic Reactions," SPIE Proc. 653, 254 (1986).