Nano and micro crystalline diamond films and powders Conventional methods of films deposition and powders synthesis Effects of deposition techniques and regimes on morphology of diamond films Morphological features of synthetic diamond nano powders Morphology and feature of electron spectrums of crystalline diamond films and powders with different grain sizes and shapes Fundamental and intra band optical absorption of diamond films and powders Effect of micro and nano sized morphology on DC and AC electrical properties of diamond films and powders Semi empirical simulations approaches and results