Takuji Oda
Seoul National University · 材料科学
研究室紹介
Professor Takuji Oda's research lab specializes in computational and experimental materials science, focusing on defect engineering in semiconductors, plasma-catalytic environmental remediation, and the fundamental behavior of metals in liquid metal systems. The lab employs advanced first-principles calculations—such as density functional theory with tailored functionals—to investigate electronic structures and defect formation in materials like silicon carbide and lithium oxide, while also exploring practical applications in pollution control and nuclear materials. A key theme is understanding interfacial phenomena, from plasma-catalyst interactions for air purification to the dissolution mechanisms of steels in lead-bismuth eutectic, with implications for advanced energy systems. The lab also conducts in vivo biological studies using intravital microscopy to investigate cellular migration processes, particularly neutrophil trafficking in microcirculation, linking materials science with biomedical phenomena.
Research Overview
Research Output Trend
Figures are computed from collected data and may differ slightly.
Selected Papers
15The performance of nonthermal plasma processing for dilute (100 or 1000 ppm) trichloroethylene (TCE) decomposition in air was investigated in combination with titania (TiO/sub 2/) catalysts. One type of catalyst consisted of 2-3-mm-diameter spherical titania pellets coated with vanadium oxide, V/sub 2/O/sub 5/. Homemade various-sized titania pellets sintered at 400/spl deg/C and 1000/spl deg/C were also tested. Gas chromatograph mass spectrometer analysis of the plasma-processed gas suggested th
Density functional theory (DFT) with a tailored Hartree-Fock hybrid functional, which can overcome the band gap problem arising in conventional DFT and gives a valence band width comparable with experiment, is applied to determine formation energies and electronic structures of intrinsic defects in cubic silicon carbide (3C-SiC). Systematic comparison of defect formation energies obtained with the tailored hybrid functional and a conventional DFT functional clearly demonstrates that conventional
Steels are easily corroded in a liquid lead-bismuth eutectic (LBE) because their components, such as Fe, Cr and Ni, exhibit a high solubility in the liquid LBE. To understand the reason for such a high solubility of these 3d transition metals, we have performed first-principles molecular dynamics calculations and analyzed the pair-correlation functions, electronic densities of states, and Bader charges and volumes of the 3d transition metals dissolved in the liquid LBE as impurities. The calcula
For in vivo study of the phenomena observed in vitro, PMN (polymorphonuclear leukocyte) extravasation was analysed quantitatively in the microcirculation of the hamster cheek pouch using a video system. Topical application of leukotriene B(4) or N-formyl-methionylleucyl- phenylalanine increased dose dependently the number of PMNs adhering to the venules. Eighty to 90% of the adhering PMNs disappeared from the vascular lumen into the venular wall within 10-12 rain after the adhesion. After PMNs h