Influence of laser energy on the crystallization of Ge2 Sb2 Te5 thin film prepared by pulsed laser deposition

2011 ◽  
Vol 208 (12) ◽  
pp. 2749-2752 ◽  
Author(s):  
D. Z. Hu ◽  
F. M. Pan ◽  
X. M. Lu ◽  
J. S. Zhu
Keyword(s):  
Thin Film ◽  
Pulsed Laser Deposition ◽  
Laser Energy ◽  
Pulsed Laser ◽  
Laser Deposition

Laser-Induced Thermoelectric Voltage in La0.5Pr0.5MnO3 Thin Film

2011 ◽  
Vol 287-290 ◽  
pp. 2248-2251
Author(s):  
Qian Qian Hua ◽  
Li Sheng Zhang ◽  
Pei Jie Wang
Keyword(s):  
Thin Film ◽  
Experimental Data ◽  
Single Crystal ◽  
Pulsed Laser Deposition ◽  
Colossal Magnetoresistance ◽  
Laser Energy ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Thermoelectric Voltage ◽  
First Time

The laser-induced thermoelectric voltage was observed for the first time in praseodymium doped LaMnO3 thin film grown on LaAlO3 single crystal vicinal cut substrates by pulsed laser deposition. The experimental data for La0.5Pr0.5MnO3 showed a good liner relation between the voltage and the laser energy. The result suggested that the anisotropic Seebeck effect were responsible for the voltage signals in colossal magnetoresistance manganites thin film.

Electrochromic WO3-x and Colossal Magnetoresistive (La, Sr)MnO3 Perovskite Oxide Thin Films by Pulsed Laser Deposition

2002 ◽  
Vol 728 ◽  
Author(s):  
Fumiaki Mitsugi ◽  
Eiichi Hiraiwa ◽  
Tomoaki Ikegami ◽  
Kenji Ebihara ◽  
Yoshiaki Suda
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Pulsed Laser Deposition ◽  
Laser Energy ◽  
Pulsed Laser ◽  
High Sensitivity ◽  
Laser Deposition ◽  
Perovskite Oxide ◽  
Oxide Thin Films ◽  
Colossal Magnetoresistive

AbstractThe functional oxide thin films of electrochromic WO3-x and colossal magnetoresistive La0.8Sr0.2MnO3 were prepared by a KrF excimer pulsed laser deposition technique. Optical transparency and electrical conductivity of the WO3-x film were changed by the oxygen content in the lattice. Triclinic, tetragonal and amorphous WO3-x films were prepared by adjusting the oxygen atmosphere during the deposition. We revealed the relationship between the crystal structure and the gas sensing property of the films. The triclinic WO3-x film (1 μm) showed the high sensitivity to NO (60 ppm) gas at an operating temperature of 150°C. The colossal magnetoresistive La0.8Sr0.2MnO3 thin film having the MR ratio of 15 % (H=7 kG) was deposited under the conditions of the laser energy density of 2 J/cm2 (5Hz), substrate temperature of 850°C and oxygen pressure of 500 mTorr. The magnetic sensor composing of the La0.8Sr0.2MnO3 thin film responded to the AC magnetic field (1 kHz).

Pulsed Laser Deposition Parameter Optimization for Growth of Alumina (Al2O3) Thin Film on Silicon (100)

2003 ◽  
Vol 788 ◽  
Author(s):  
Xinyu Wang ◽  
Sergey Yarmolenko ◽  
Dhananjay Kumar ◽  
Zhigang Xu ◽  
Jagannathan Sankar
Keyword(s):  
Thin Film ◽  
Elastic Modulus ◽  
Film Thickness ◽  
Substrate Temperature ◽  
Pulsed Laser Deposition ◽  
Laser Energy ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Crystalline Phases ◽  
Deposition Parameter

ABSTRACTPulsed laser deposition (PLD) technique was used to grow alumina (Al2O3) thin films on (100) silicon substrate under different deposition conditions. The relationship between Al2O3thin film thickness, hardness, elastic modulus, surface morphology and PLD parameters such as laser energy and substrate temperature was investigated. The Film thickness was found to increase with an increase in laser energy and to decrease with an increase in substrate temperature. The film hardness and elastic modulus increases as substrate temperature increases. We have also shown that films are amorphous at lower substrate temperatures and transform to mixture of amorphous and crystalline phases. The ratio of amorphous to crystalline phases decreases with increase in temperature. The surfaces of Al2O3film grown using PLD was found very smooth with least root square roughness less than 2 nm.

scholarly journals Growth of Nd:potassium gadolinium tungstate thin-film waveguides by pulsed laser deposition

2000 ◽  
Vol 76 (18) ◽  
pp. 2490-2492 ◽  
Author(s):  
P. A. Atanasov ◽  
R. I. Tomov ◽  
J. Perriére ◽  
R. W. Eason ◽  
N. Vainos ◽  
...  
Keyword(s):  
Thin Film ◽  
Pulsed Laser Deposition ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Thin Film Waveguides
Sign in / Sign up

Export Citation Format

Share Document