About
Positions
Research Associate Professor Sep 2009 -
Chemical and Biomolecular Engineering, Vanderbilt University
Research on Atomic Layer Deposition Reactor for hydroxyapatite deposition on 3D printed biopolymer scaffold; Microelectronic technology for electron gun diamond field nano emitters, which require 37 technological steps; Plasma Enhanced CVD of diamond; E-Beam Lithography; Focused Ion Beam Etching, Reactive Ion Etching; E-Beam Deposition of Cu, Ag, Ni, Mo, Ti, Ir and B; Femtosecond laser machining of diamond, sapphire, Si, Ge, InP, polymers, ceramics, glass and metals; Plasma and laser modification of polymer substrates and polymer nanofiber; Co – PI on project by the Department of Defense – “High-Brightness Diamond Cathodes for High-power Free-Electron Lasers.”; Co – PI on project by the Department of Defense for “KS10-0123 Teal Bolt.”
Research Assistant Professor Jul 2003 - Aug 2009
Laser induced Materials Chemistry; Discovery and development of Confined Plume Chemical Deposition (CPCD) process as a new materials synthetic strategy and new laser additive manufacturing process for composite materials; Construction and program control of micrometric scanning XYZ stages and galvo scanning heads; Microfluidic and soft lithography; Development of pH and enzyme sensors with micron dimensions;
Senior Research Associate Aug 2000 - Jun 2003
Physics, Vanderbilt University
Laser- tissue interactions for laser surgery, Development of Sr vapor laser as a table top alternative of Free Electron laser for biomedical application; Pulsed laser deposition of conductive polymers for OLED applications; Laser machining of Ni super alloys, Si, quartz and ceramics with pico and nanosecond lasers
Skills
Experience and skills:
• Extensive experience with applications of UV, visible and IR lasers with femto, pico, nano and microsecond pulse duration as Ti:sapphire, Nd:YAG pumped OPO Lasers, IR Tunable Free Electron Lasers, Excimer, Cu, CuBr, Sr, Nd:YAG, SHG of Nd:YLF, Er:YAG, CO2 and Raman Lasers, and in Materials Processing, Materials Science, Materials Chemistry and Medicine.
• Fundamental understanding and extensive experience in all Laser Materials Interactions, including laser machining, laser surface modification, high aspect laser drilling, PLD, laser CVD, laser materials chemistry and laser chemical etching applied to metal, semiconductor, ceramic and polymer materials.
• Deep understanding of interrelationships of composition, structure and properties in materials science
• Proficient in various computer programs including LabVIEW Programing, Origin, Mathcad, Crystal Maker
• Substantial experience in thin films technology & ultra-high vacuum equipment in clean room setting.
• Microwave Plasma Enhanced CVD of nano and polycrystalline diamond, diamond films brazing to Mo
• Focused Ion Beam Etching, Reactive Ion Etching of metal, semiconductor and dielectric materials,
• E-Beam deposition, microwave, RF & ICP PECVD of semiconductor and dielectric materials.
• Electron Beam Lithography, Photolithography and Spin Coating.
• Extensive Practice and deep understanding of following analytical techniques:
SEM and EDX analysis, FTIR–transmittance, reflectance and ATR, UV-visible spectroscopy, XRD, Raman, XPS, FIB, AFM and SNOM, Nano Particle Size Distribution, Mass Spectrometry, Profilometry.
• Extensive experience in Materials Chemistry by Chemical Vapor Deposition, Laser Chemical Vapor Deposition, Plasma Enhanced CVD, Laser Induced Etching.
• Extensive practice in design and construction of installations for Laser Materials Processing, CVD, Optical Spectroscopy and Mass Spectrometry; Optical and electrical measurement equipment including OSA, power meter, photodiodes, oscilloscope and current, voltage, and power meters.
• Experience with microfluidic devices and soft lithography, pH sensors and biosensors with micron sizes.
• Laser and Plasma surface modification of polymeric substrate and polymeric nanofibers.
CV
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