P. H. Hahn, K. Seino, W. G. Schmidt, J. Furthmüller, and F. Bechstedt, “Quasiparticle and excitonic effects in the optical spectra of diamond, SiC, Si, GaP, GaAs, InP, and AlN,” physica status solidi (b), vol. 242, no. 13, pp. 2720–2728, 2005.

N. Esser, M. Rakel, C. Cobet, W. G. Schmidt, W. Braun, and M. Cardona, “VUV-ellipsometry on GaN: Probing conduction band properties by core level excitations,” physica status solidi (b), vol. 242, no. 13, pp. 2601–2609, 2005.

F. Fuchs, W. G. Schmidt, and F. Bechstedt, “Initial Stage of Si(001) Surface Oxidation from First-Principles Calculations,” The Journal of Physical Chemistry B, vol. 109, pp. 17649–17653, 2005.

F. Fuchs, W. G. Schmidt, and F. Bechstedt, “Understanding the optical anisotropy of oxidized Si(001) surfaces,” Physical Review B, vol. 72, no. 7, 2005.

M. Preuss, W. G. Schmidt, and F. Bechstedt, “Coulombic Amino Group-Metal Bonding: Adsorption of Adenine on Cu(110),” Physical Review Letters, vol. 94, 2005.

K. Seino and W. G. Schmidt, “Conformation-selective adsorption of 2,3-butanediol on Si(001),” Surface Science, pp. 191–196, 2005.

R. Leitsmann, W. G. Schmidt, P. H. Hahn, and F. Bechstedt, “Second-harmonic polarizability including electron-hole attraction from band-structure theory,” Physical Review B, vol. 71, 2005.

A. Hermann, W. G. Schmidt, and F. Bechstedt, “Optical response of<0-conjugated molecular monolayer adsorbed on the semiconductor Si(001) surface: A first-principles study,” Physical Review B, vol. 71, 2005.

A. Hermann, W. G. Schmidt, and F. Bechstedt, “Phenanthrenequinone Adsorbed on Si(001):  Geometries, Electronic Properties, and Optical Response,” The Journal of Physical Chemistry B, vol. 109, pp. 7928–7933, 2005.

P. H. Hahn, W. G. Schmidt, K. Seino, M. Preuss, F. Bechstedt, and J. Bernholc, “Optical Absorption of Water: Coulomb Effects versus Hydrogen Bonding,” Physical Review Letters, vol. 94, p. 037404, 2005.

P. H. Hahn, W. G. Schmidt, and F. Bechstedt, “Molecular electronic excitations calculated from a solid-state approach: Methodology and numerics,” Physical Review B, vol. 72, no. 24, 2005.

A. Ohtake, P. Kocán, K. Seino, W. G. Schmidt, and N. Koguchi, “Ga-Rich Limit of Surface Reconstructions on GaAs(001): Atomic Structure of the(4×6)Phase,” Physical Review Letters, vol. 93, p. 266101, 2004.

K. Seino and W. G. Schmidt, “O on Si(001): surface optical anisotropy from first-principles calculations,” Surface Science, vol. 571, no. 157, pp. 157–160, 2004.

W. G. Schmidt et al., “Oxidation- and organic-molecule-induced changes of the Si surface optical anisotropy:ab initiopredictions,” Journal of Physics: Condensed Matter, vol. 16, pp. 23–34, 2004.

M. Palummo et al., “The Bethe–Salpeter equation: a first-principles approach for calculating surface optical spectra,” Journal of Physics: Condensed Matter, vol. 16, pp. 13–22, 2004.

M. Preuss, W. G. Schmidt, K. Seino, and F. Bechstedt, “Methylchloride adsorbed on Si(001): an ab initio study,” Applied Surface Science, vol. 234, pp. 155–161, 2004.

K. Fleischer et al., “Atomic indium nanowires on Si(111): the (4 × 1)–(8 × 2) phase transition studied with reflectance anisotropy spectroscopy,” Applied Surface Science, vol. 234, pp. 302–306, 2004.

K. Seino, W. G. Schmidt, and F. Bechstedt, “Energetics of Si(001) Surfaces Exposed to Electric Fields and Charge Injection,” Physical Review Letters, vol. 93, no. 3, 2004.

M. Preuss, W. G. Schmidt, and F. Bechstedt, “Methyl Chloride Adsorption on Si(001)Electronic Structure,” The Journal of Physical Chemistry B, vol. 108, pp. 7809–7813, 2004.

K. Seino, W. G. Schmidt, and F. Bechstedt, “Organic modification of surface electronic properties:A first-principles study of uracil on Si(001),” Physical Review B, vol. 69, p. 245309, 2004.