[3Fa01-05] Surface Engineering/Thin Film

[3Fa05] Numerical and experimental investigation of the stoichiometry of BSCCO thin films deposited using fs-PLD

*Joy Kristelle De Mata¹, Wilson Garcia², Roland Sarmago², Lean Dasallas¹ (1. Materials Science and Engineering Program, University of the Philippines Diliman, 2. National Institute of Physics, University of the Philippines Diliman)

Femtosecond laser has several advantages over nanosecond laser as it produces efficient thermal abla- tion and reduces the formation of molten particulates. Because of this, there has been an increasing interest in using femtosecond lasers in pulsed laser deposition over recent years. This work explores the use of a femtosecond pulsed laser to deposit BSCCO. BSCCO was deposited in different substrate positions to investigate the effect of spatial variation on the elemental ratio of deposited BSCCO. The experimental values were then compared with an existing collision-based model, a modified collision- based model, and a peak-fitting distribution. The peak fitting analysis has the nearest approximation to the experimental data among the three numerical models.