Research Skills
I am an innovative experimental researcher trained in Physics and Electronics. The core areas of my expertise are growth and characterisation of electronic and optoelectronic materials and devices. I have extensive experience and training in working in semiconductor-grade cleanrooms. I have worked with and have expertise in a wide range of materials using major techniques of growth and characterisation.
Materials
- III-V compound semiconductors
- Silicon
- Defects and impurities in III-V semiconductors and Si
- Semiconductor nano-crystals
- Quantum dots
- Doped polymers
- High-k oxides
- silicon nitride
- Contact metals
Structures and devices
- Schottky barrier diodes
- Metal-insulator-metal vertical tunnel transistors
- Avalanche photo diodes
- Avalanche transistors
- Capacitor structures
- Spiral inductors and Co-planar Waveguides
Growth and processing techniques
- Liquid phase epitaxy (LPE)
- Chemical vapour deposition (CVD)
- Metal organic chemical vapour deposition (MOCVD)
- Low pressure chemical vapour deposition (LPCVD)
- Plasma enhanced chemical vapour deposition (PECVD)
- Thermal and E-beam evaporation
- Diffusion, Rapid thermal annealing and Thermal oxidation
- Ion-implantation
Characterisation techniques
- Temperature-dependent van der Pauw-Hall measurements
- Current-voltage (I-V) measurements
- Capacitance-voltage (C-V) measurements
- Deep level transient spectroscopy (DLTS)
- Atomic force microscopy (AFM)
- Scanning electron microscopy (SEM)
- Secondary ion mass spectroscopy (SIMS)
- X-ray photoelectron spectroscopy (XPS)
- X-ray diffraction (XRD)
- Photoluminescence
- UV-visible-near infra-red spectrometry
- Microwave absorption
Computer programming and real-time device control
- Programming languages: FORTRAN, C, C++, Pascal, HP-BASIC, Java, Labview
- Simulation packages: HFSS, ATLAS, ATHENA
- Design package: L-edit
- Microsoft Office