Aspects of photo-electrochemical and surface behaviour of titanium(IV) oxide.- Excited states of chromium(III) in translucent glass-ceramics as prospective laser materials.- Bonding and structure of water molecules in solid hydrates. Correlation of spectroscopic and structural data.

Contents: J. Augustynski, Genève/Switzerland: Aspects of Photo-electrochemical and Surface Behaviour of Titanium(IV) OxideR. Reisfeld, Jerusalem/Israel, C.K. Jorgensen, Genève/Switzerland: Excited States of Chromium(III) in Translucent Glass-Ceramics as Prospective Laser MaterialsH.D. Lutz, Siegen/FRG: Bonding and Structure of Water Molecules in Solid Hydrates. Correlation of Spectroscopic and Structural DataJ. Augustynski, Genève/Switzerland: Aspekte der photoelektrochemischen und katalytischen Eigenschaften des Titan(IV)oxidsR. Reisfeld, Jerusalem/Israel, C.K. Jorgensen, Genève/Switzerland: Angeregte Zustände des Chrom(III) in durchscheinenden Glaskeramiken als mögliche LasermaterialienH.D. Lutz, Siegen/FRG: Bindung und Struktur der Wassermoleküle in festen Hydraten. Zusammenhang zwischen spektroskopischen und strukturellen Daten