Effect of sol–gel composition ratio and laser power on phase transformation of crystalline titanium dioxide under CO2 laser annealing

2011 ◽  
Vol 6 (7) ◽  
pp. 494 ◽  
Author(s):  
C.K. Chung ◽  
S.L. Lin ◽  
S.Y. Cheng ◽  
K.P. Chuang ◽  
H.Y. Wang
Keyword(s):  
Phase Transformation ◽  
Titanium Dioxide ◽  
Co2 Laser ◽  
Laser Power ◽  
Laser Annealing ◽  
Sol Gel ◽  
Composition Ratio ◽  
Gel Composition

Fabrication and property of titanium dioxide thin film using sol–gel method and CO2 laser annealing

2012 ◽  
Vol 7 (8) ◽  
pp. 701 ◽  
Author(s):  
C.-K. Chung ◽  
S.L. Lin ◽  
K.P. Chuang ◽  
S.Y. Cheng ◽  
K.Y. Shei
Keyword(s):  
Thin Film ◽  
Titanium Dioxide ◽  
Co2 Laser ◽  
Laser Annealing ◽  
Sol Gel ◽  
Gel Method ◽  
Sol Gel Method

Characterization of Ta-Doped Titanium Dioxide Nano Particles Produced by Sol-Gel Method

2013 ◽  
Vol 685 ◽  
pp. 150-154
Author(s):  
Akhlaq Ahmad ◽  
Liaqat Ali ◽  
Naveed Ramzan
Keyword(s):  
Phase Transformation ◽  
Titanium Dioxide ◽  
Sol Gel ◽  
Industrial Effluents ◽  
Rutile Phase ◽  
Nano Particles ◽  
Gel Method ◽  
Sol Gel Method ◽  
Analytical Tools

Titanium dioxide also known as titania is a ceramic material. It is probably the most investigated inorganic oxide in recent years because of its non toxic nature, chemical stability and its potential effectiveness for destruction of toxic organic compounds in industrial effluents. In the present study pure and Ta doped TiO2 nanosize particles were prepared by sol-gel method. Samples with doping concentrations varying from 0.50 to 1.50 at % Ta and calcinations temperatures from 300 to 900 oC were synthesized. Changes taken place in phase transformation of the samples doped with Ta and undoped TiO2 were investigated. The effect of dopant concentration, calcinations temperature and particles size on anatase to rutile phase transformation was studied in detail. The samples were analyzed by various standard analytical tools.

STRUCTURAL TRANSFORMATION IN NANOPHASE TITANIUM DIOXIDE

1999 ◽  
Vol 13 (05) ◽  
pp. 167-174 ◽  
Author(s):  
MUYING WU ◽  
WEIFENG ZHANG ◽  
ZULIANG DU ◽  
YABIN HUANG
Keyword(s):  
Raman Spectroscopy ◽  
Grain Size ◽  
Phase Transformation ◽  
Titanium Dioxide ◽  
Structural Transformation ◽  
Annealing Temperature ◽  
Sol Gel ◽  
X Ray ◽  
Average Grain Size ◽  
Gel Technique

Nanophase TiO 2 was prepared by a stearic acid sol–gel technique. X-ray measurements showed that the as-prepared sample is anatase TiO 2 phase with an average grain size of 10.4 nm. Raman spectroscopy was used to investigate the structural transformation from anatase-to-rutile in the nanophase TiO 2 annealed at a series of temperatures from 450 to 650°C. The results showed that the transformation took place in a wide annealing temperature range. The related mechanism to the phase transformation is discussed according to nanometer size effect.

scholarly journals CO2 laser annealing of Ge core optical fibers with different laser power

2019 ◽  
Vol 9 (3) ◽  
pp. 1333 ◽  
Author(s):  
Ziwen Zhao ◽  
Yujizhe Mao ◽  
Li Ren ◽  
Jianbo Zhang ◽  
Na Chen ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Co2 Laser ◽  
Laser Power ◽  
Laser Annealing

Low-temperature processing of sol-gel derived Pb(Zr,Ti)O3 thick films using CO2 laser annealing

2007 ◽  
Vol 42 (3) ◽  
pp. 315-322 ◽  
Author(s):  
Chen-Chia Chou ◽  
Shen-Da Tsai ◽  
Wen-Hsiang Tu ◽  
Yu-En Yeh-Liu ◽  
Hsien-Lung Tsai
Keyword(s):  
Low Temperature ◽  
Co2 Laser ◽  
Laser Annealing ◽  
Thick Films ◽  
Sol Gel ◽  
Low Temperature Processing
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