Salaneck, W. R.; Bigelow, R. W.; Freund, H.-J.; Plummer, E. W.: X-ray photoelectron spectroscopy of gaseous and solid I₂: Ion-state-enhanced intermolecular interactions. Physical Review B 24 (5), pp. 2403 - 2411 (1981)

Scheffler, M.; Pantelides, S. T.; Lipari, N. O.; Bernholc, J.: Identification and properties of native defects in GaP. Physical Review Letters 47, p. 413 (1981)

Freund, H.-J.; Dick, B.; Hohlneicher, G.: Calculation of Transition Metal Compounds Using an Extension of the CNDO-Formalism, II. Metal to Metal Bonding in Binuclear Transition Metal Compounds. Theoretica Chimica Acta 57 (3), pp. 181 - 207 (1980)

Hora, R.; Scheffler, M.: Photoemission and the electronic structure of a c(2x2) sulfur adsorbate-layer on Pd. Proceedings of the 4th International Conference on Solid Surfaces and the 3rd European Conf. on Surf. Sci. (1980)

Saddei , D.; Freund, H.-J.; Hohlneicher, G.: Calculation of transition metal compounds using an extension of the CNDO formalism: VI. Simple interpretation of many-body effects in the valence shell photoionization of adsorbates by the study of CO/Ni and N₂/Ni model systems. Surface Science 95 (2-3), pp. 527 - 554 (1980)

Saddei, D.; Freund, H.-J.; Hohlneicher, G.: Calculation of Transition Metal Compounds Using an Extension of the CNDO Formalism, III. Application to the CO-insertion Reaction as an Example for Mechanistic Studies. Journal of Organometallic Chemistry 186 (1), pp. 63 - 75 (1980)

Salaneck, W. R.; Duke, C. B.; Eberhardt, W.; Plummer, E. W.; Freund, H.-J.: Temperature-Dependent Ultraviolet Photoemission Linewidths of Molecular Solids: Isopropyl Benzene. Physical Review Letters 45 (4), pp. 280 - 283 (1980)

Thomas, J. M.; Millward, G. R.; Schlögl, R.; Boehm, H. P.: Direct imaging of a graphite intercalate: Evidence of interpenetration of ‘stages’ in graphite: Ferric chloride. Materials Research Bulletin 15 (5), pp. 671 - 676 (1980)

Bradshaw, A. M.; Scheffler, M.: Lateral interactions in adsorbed layers. J. Vac. Sci. Tech. 16, pp. 447 - 454 (1979)

Freund, H.-J.; Hohlneicher, G.: Comparative Study of Adsorbate Systems and Corresponding Compounds Using X-Ray and UV-Photoemission I. Hexagonal (0001) Co/CO, O₂ versus Oxides and Carbonyls. Berichte der Bunsen-Gesellschaft 83 (2), pp. 100 - 108 (1979)

Freund, H.-J.; Hohlneicher, G.: Calculation of Transition Metal Compounds Using an Extension of the CNDO Formalism, I. Method of Calculation and Application to Mono-, Di- and Tetranuclear compounds. Theoretica Chimica Acta 51 (2), pp. 145 - 162 (1979)

Hoffmann, P.; Muschwitz, C. v.; Horn, K.; Jacobi, K.; Bradshaw, A. M.; Kambe, K.; Scheffler, M.: Angular-resolved photoemission from an ordered oxygen overlayer on aluminium (111). Surface Science 89 (1-3), p. 327 (1979)

Kambe, K.; Scheffler, M.: Theory of photoexcitation of adsorbates. Surface science 89, p. 262 (1979)

Saddei, D.; Freund, H.-J.; Hohlneicher, G.: Connection between the manne-Åberg theorem and a sum rule derived in the framework of the green's-function formalism. Chemical Physics Letters 68 (1), pp. 222 - 224 (1979)

Scheffler, M.: The influence of lateral interactions on the vibrational spectrum of adsorbed CO. Surface Science 81, pp. 562 - 570 (1979)

Scheffler, M.; Horn, K.; Bradshaw, A. M.; Kambe, K.: Angular-resolved photoemission from physisorbed xenon. Surface science 80, pp. 69 - 77 (1979)

Hohlneicher, G.; Gonska, H.; Freund, H.-J.: Zur Bestimmung absoluter Bindungsenergien aus XPS-Messungen. Berichte der Bunsen-Gesellschaft 82 (11), p. 1252 - 1252 (1978)

Horn, K.; Scheffler, M.; Bradshaw, A. M.: Photoemission from physisorbed xenon: Evidence for lateral interactions. Physical Review Letters 41 (12), pp. 822 - 825 (1978)

Scheffler, M.; Horn, K.; Bradshaw, A. M.; Kambe, K.: Photoemission from physisorbed xenon. Nederlands Tijdschrift voor Vacuumtechniek 10 (2/3/4), p. 85 (1978)

Scheffler, M.; Kambe, K.; Forstmann, F.: Angle-resolved photoemission from adsorbates: Theoretical considerations of polarization effects and symmetry. Solid State Communications 25, pp. 93 - 99 (1978)