Hydrogen in α-Alumina and Water Softening of Polycrystals and of Sapphire Between 600°C and 1000°C
J. Castaing, A. Kronenberg and S. H. Kirby
Laboratoire de recherches des musées de France, CNRS UMR 171; 6 rue des Pyramides, 75041 Paris cedex 01, France
Department of Geology and Geophysiscs, Texas A & M University, College Station, TX77843-3113, USA
U.S. Geological Survey, Mail Stop 977, 345 Middlefield Road, Menlo Park, California 94025, USA