This issue contains 13 papers from The American Ceramic Society s 40th International Conference on Advanced Ceramics and Composites, held in Daytona Beach, Florida, January 24-29, 2016 presented in Symposium 3 - 13th International Symposium on Solid Oxide Fuel Cells: Materials, Science, and Technology and Symposium 14 Single Crystalline Materials for Electrical, Optical, and Medical Applications.