Characterization of Y‐Ba‐Cu‐O thin films and yttria‐stabilized zirconia intermediate layers on metal alloys grown by pulsed laser deposition

1991 ◽  
Vol 59 (6) ◽  
pp. 739-741 ◽  
Author(s):  
R. P. Reade ◽  
X. L. Mao ◽  
R. E. Russo
2011 ◽  
Vol 191 (1) ◽  
pp. 12-23 ◽  
Author(s):  
Sebastian Heiroth ◽  
Ruggero Frison ◽  
Jennifer L.M. Rupp ◽  
Thomas Lippert ◽  
Eszter J. Barthazy Meier ◽  
...  

1999 ◽  
Vol 14 (4) ◽  
pp. 1329-1336 ◽  
Author(s):  
J. Y. Dai ◽  
H. C. Ong ◽  
R. P. H. Chang

Yttria-stabilized zirconia (YSZ) thin films grown by the pulsed laser deposition method on (0001) sapphire substrates have been studied by x-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), and scanning electron microscopy (SEM). It was found that the crystal orientation of the YSZ films changes as a function of oxygen pressure during deposition. At low oxygen pressure (50 mTorr), well-defined (111) oriented YSZ films are grown. High oxygen pressure favors the nucleation of (001) oriented YSZ grains. A model to explain the preferred growth direction of (001) YSZ is presented. Utilizing the experimental data, we have developed a two-step process to epitaxially grow high-quality (001) oriented YSZ on (0001) sapphire substrate.


2018 ◽  
Vol 47 (1) ◽  
pp. 65-67 ◽  
Author(s):  
Vitchaphol Motaneeyachart ◽  
Yasushi Hirose ◽  
Atsushi Suzuki ◽  
Shoichiro Nakao ◽  
Isao Harayama ◽  
...  

2020 ◽  
Vol 70 (12) ◽  
pp. 4181-4186

In this paper bilayer thin films of 10CGO/8YSZ electrolyte with enhanced O2- conductivity composed of gadolinia doped CeO2 (Ce0,9Gd0,1O2-) and yttria stabilized zirconia 8 mol% Y2O3 doped ZrO2 layers were deposited by Pulsed Laser Deposition (PLD) using various numbers of pulses. This composite has supplementary function in electrochemical devices because 10 CGO can act as interdiffusion barrier with cathode materials. The structure and morphology of these thin films, having thicknesses smaller than 1µm, were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and atomic force microscopy (AFM). The XRD patterns exhibit cubic fluorite structure with a sharp (111) peak. The grain size was found to depend on the thickness. Optical characterization was carried out by spectroscopic ellipsometry (SE) using the Tauc-Lorentz model. Keywords: Laser ablation, Electrolytes, Bilayer Thin Films, Tauc - Lorentz Model, Electrochemical Fuel Cells Devices


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