1. EFFECT OF DIFFRENT SUBSTRATE TEMPERATURE ON GROWTH OF NANO CRYSTALLINE DIAMOND BY HFCVD TECHNINQUE. Authors: MIRCEA V. DIUDEA, ZAHRA KHALAJ, MAHMOOD GHORANNEVISS, HASTI ATEFI.2. EFFECT OF CATALYST LAYER THICKNESS ON GROWTH OF CVD DIAMOND . Authors: MIRCEA V. DIUDEA, ZAHRA KHALAJ, MAHMOOD GHORANNEVISS, FATEMEH SHAHSAVARI.3. EFFECT OF DIFFRENT SUBSTRATE TEMPERATURE ON GROWTH OF NANO CRYSTALLINE DIAMOND BY HFCVD TECHNINQUE. Authors: MIRCEA V. DIUDEA, ZAHRA KHALAJ, MAHMOOD GHORANNEVISS, HASTI ATEFI.