Avtor/Urednik     Boulc'h, Florence; Schoulder, Marie-Claude; Donnadieu, Patricia; Chaix, Jean-Marc; Djurado, Elisabeth
Naslov     Domain size distribution of Y-TZP nano-particles using XRD and HRTEM
Tip     članek
Vir     Image Anal Stereol
Vol. in št.     Letnik 20, št. 3
Leto izdaje     2001
Obseg     str. 157-61
Jezik     eng
Abstrakt     Yttria doped nanocrystalline zirconia powder was prepared by spray-pyrolysis technique. Powder crystallized into tetragonal form, as dense and compositionally homogeneous polycrystalline spheres. X-Ray diffraction (XRD) and high resolution transmission electron microscopy (HRTEM) have been used in order to characterize the mean size and the size distribution of crystalline domains. An average size of 6 nm was calculated by Scherrer formula from X-Ray diffraction pattern. The domain size, determined by analysis method developed by Hytch from HRTEM observations, ranges from 5 to 22 nm with a main population around the value 12 nm. Limits and complementary nature of XRD and HRTEM methods are discussed.
Deskriptorji     PARTICLE SIZE
X-RAY DIFFRACTION
MICROSCOPY, ELECTRON
IMAGE PROCESSING, COMPUTER-ASSISTED
CRYSTALLIZATION
ZIRCONIUM
YTTRIUM