Pulsed Excimer (Krf) Laser-Induced Crystallization Of Pbzr0.44ti0.56o3 Amorphous Films
APPLIED PHYSICS LETTERS(1995)
Abstract
Amorphous PZT thin films 600 nm thick were rf sputtered from a PbZr0.44Ti0.56O3 ceramic target with excess PbO onto glass substrates maintained at room temperature. After irradiation with a 248 nm KrF pulsed excimer laser with a power density of 2.3×107 W/m2 at a frequency of 50 Hz and a pulsed width of 30 ns for 2 min, the films crystallized into the PZT perovskite structure to a depth of about 120 nm. Comparisons of this work with PZT crystallization obtained from a traditional oven and 488 nm Ar+ laser postdeposition treatments are also given.
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Key words
Fiber Lasers,Laser Materials
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