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Inorganic and Organic Synthesis, Structural Analysis, Spectroscopy
Dr. Chellama has designed and synthesized novel neutral dinuclear ruthenium complexes that can be used as Quantum dot Cellular Automata (QCA) cells, a new paradigm for improving computational density. Twenty-five novel dinuclear ruthenium complexes with various N-donor terminal ligands were…
Explosives Instrument Detection, Trace Explosives Chemical Analysis, Optical Spectroscopy, Polymers
Expert has spent over 15 years working in the field of analytical chemistry of various labile organic compounds and macromolecules. He worked on the quantitative and qualitative analysis of highly involatile species that required special sample preparation and processing. These…
Near-Infrared Spectroscopy, Statistics, Chemometrics, and Software Development
Expert has expertise in the design and development of spectroscopic instrumentation, particularly in the near-infrared spectral region. He was on the design team for several of the instruments produced by a major manufacturer. He was the chief system troubleshooter, integrating…
Fluorescence Spectroscopy, Analysis of Metal Ions by Chelation with Organic Ligands, etc.
FLUORESCENCE SPECTROSCOPY. Expert has worked in the area of fluorescence spectroscopy for almost thirty years. He has published extensively on the influences of pH and solvent composition upon fluorescence spectra and has used these phenomena to study the rates and…
Material Analysis/Spectroscopy
During the past 15 years, Expert's research has become increasingly oriented toward vibrational spectroscopy, particularly Fourier transform infrared (FT-IR) spectroscopy. In the early 1980s, he developed modern step-scan FT-IR instrumentation for photoacoustic and photothermal spectroscopy of surfaces and opaque or…
Analytical Chemistry, Chromatography, Mass Spectroscopy, Trace Organic Analysis, Pesticides, Etc.
Expert has over 30 years of gas chromatography experience, including designing, assembling, and testing of GC systems. He is proficient in trace organic analysis using both packed and capillary columns, FID, TCD, ECD, NPD, FPD, and GC/MS systems for detection.…
Nonferrous Cast and Wrought Metallurgy
Expert possesses over 30 years' experience in aluminum and magnesium alloy manufacturing operations, research and new product development. Expert in the following areas: Molten metal handling, alloying, refining, metal transfer, protective flux and cover gases, and casting techniques. Rolling and…
Specialty Optical Fiber from Draw Tower to Sterile Product
Specialty fiber optics (ASF, polyimide, Hard Polymer) and silica capillary draw including the sole laser power delivery optical fiber that is NASA certified for space flight, and fiber optic devices derived therefrom including LOI, spectroscopy and laser surgery including FDA…
Laser Solutions
Expert is currently the Chief Technology Officer at a laser technology company. He is responsible for 20 Engineers and 25 Technicians who cover Laser Cutting, Welding, Marking, and Cleaning systems manufacture. His industry experience dates back to 2010 and is…
Process Science, Process Equipment and Thin Films Material Characterization for PVD Poly-Crystal (AlN, AlScN, Mo, Ti, Al), CVD Epitaxial (Si, SiGe, GaAs, AlGaAs) and PECVD Amorphous Dielectrics.
Engineer with a strong background in semiconductor materials, characterization, and process. Experienced compound materials, HEMPT, and solar cell development, manufacturing, and reliability. Strong background in epitaxial materials growth, device failure analysis, and process troubleshooting with hands-on most of the epitaxial…