Neuroprosthetic materials and devices: chemistry, device physics, fabrication and testing in biological systems. Minimally invasive neural stimulation.

Fabrication, measurements and modeling of silicon- and germanium-based devices for high-speed and low-power integrated circuits.

Molecular electronics, integration of biological materials and conventional electronics, electrical and exciton transport in organic materials, energy transfer, metal-organic contacts, low energy transistors

Development of nanostructured surfaces/devices, and physics and engineering of 3-D optical imaging systems based on volume holography, digital holography, and dielectric nanostructures with variable subwavelength period in the passband regime. Applications in multifunctional surfaces, optical imaging, and metrology for biological, environmental, and energy-related research.

Superconductive nanodevice physics and applications; nanofabrication methods, processes, and tool-development for application to quantum computing and single-photon detection.

Design for manufacturability (DFM) of processes, devices, and integrated circuits. Characterization and modeling of variation in semiconductor and MEMS manufacturing, with emphasis on chemical-mechanical polishing (CMP), electroplating, plasma etch, and embossing processes. Statistical modeling of spatial and operating variation in advanced devices and circuits.

Sensing, display, user interface, and computation for consumer electronics applications, particularly self-organizing ecosystems of devices. Advanced data representations for multimedia.

Physical properties of organic and organic/inorganic nanocrystal composite thin films and structures, and development of nanostructured electronic and optoelectronic devices. Applications of nanostructured materials in large-scale technologies.

Design of digital integrated circuits and systems. Energy efficient implementation of signal processing, communication and medical systems. Circuit design with emerging technologies.

Micro- and nanoscale heat transfer and energy conversion with applications in thermoelectrics, photovoltaics, solar-thermal energy to electrical energy conversion, and microelectronics; nano-mechanical devices and micro-electro-mechanical systems; radiation and electromagnetic metamaterials; nanoengineered high thermal conductivity polymers and liquids; and desalination.

Parameterized model order reduction of linear and nonlinear dynamical systems; mixed-signal, RF and mm-wave circuit simulation and modeling for optimization; parasitic extraction and accelerated integral equation solvers; simulation and modeling tools for magnetic resonance imaging and for the human cardiovascular circulatory system.

Compound semiconductor transistor technologies for RF, microwave and millimeter wave applications. Nanometer-scale III-V compound semiconductor transistors for future digital applications. Technology and pedagogy of online laboratories for engineering education.

Nanophotonic and acoustic materials and devices; physics, nanofabrication, instrumentation

Compound semiconductor heterostructure devices and physics. Optoelectronics: laser diodes, photodiodes, quantum effect devices, and optoelctronic integrated circuits. Monolithic heterogeneous integration. µ-scale thermophotovoltaics.

Nano-electronics and nano-photonics; materials for energy harvesting and conversion; synthesis and integration of inorganic nanomaterials including nanoparticles, nanowires, and hybrid structures; III-V semiconductor epitaxial films and low-dimensional systems; development of advanced and in-situ electron microscopy techniques.

Collaborators N.-T. Nguyen, NTU, Singapore C. T. Lim, NUS, Singapore Sang Ho Kim, NUS, Singapore Peter Preiser, NTU, Singapore K….

Semiconductor devices. Fabrication and device physics of silicon-based heterostructures and nanostructures. High mobility Si and Ge-channel MOSFETs, nanowire FETs, novel transistor structures, silicon based photovoltaics, and silicon-germanium photodetectors for electronic/photonic integrated circuits.

Physics and applications of millimeter-wave, terahertz, and infrared devices.

Experimental condensed matter physics, in particular quantum electronic transport and optoelectronics in novel low dimensional materials, such as graphene and topological insulators (TIs).

Energy harvesting, PZT MEMS, MEMS by ink jet printing, carbon nanotube assembly, nano-enabled energy devices.

Fundamental science of imperfection in solids and the processing of electronic materials. Silicon materials, devices and processing for monolithic microphotonic integration of photonic functionality and interconnection for communication and computation. High efficiency thin film photovoltaic cells, solid state lighting, glass-on-silicon platform for imaging and sensing, environmentally benign integrated circuit manufacturing, in-situ diagnostic tools for process control.

Synthesis, characterization and applications of carbon-based nanomaterials (nanotubes and graphene) and inorganic nanowires.

Analysis, design and control of electromechanical systems with application to traditional electromagnetic actuators, micro/nano-scale actuators and sensors (MEMS), and flexible structures.

Analog and mixed-signal integrated circuits, with a particular emphasis in data conversion circuits in scaled CMOS.

Microdevices for biomolecular and single cell analysis.

VLSI architecture. Emphasis on interrelationship among applications, systems, algorithms, and chip architectures. Major application fields include intelligent transportation systems, video, and multimedia.

Fundamental studies of nucleation, polymorphism, impurity-crystal interactions, novel separation methods, continuous crystallization and industrial applications.

Design, fabrication and characterization of novel electronic devices in wide bandgap semiconductors and graphene; polarization and bandgap engineering; transistors for sub-mm wave power and digital applications; new ideas for power conversion and generation; interaction of biological systems with semiconductor materials and devices; transistors based on nanowires two dimensional materials.

Power electronics and energy conversion, electronic circuit design, control. Applications to industrial, commercial, scientific, transportation, biomedical and energy systems.

On-chip networks; Parallel architectures, mobile computing

Fabrication, properties and applications of magnetic and magnetooptical films, nanostructures and devices; self assembly, block copolymer lithography

Electronics and integrated circuit design and technology. Technology intensive integrated circuit and systems design, with application toward medical electronic devices and wireless communication emphasizing analog signal processing and RF integrated circuits.

Circuit, interconnect, and system design with novel devices (NEM relays, Si-photonics). Integration of novel devices into CMOS design flows and foundries. On-chip interconnects and high-speed off-chip interfaces (electrical, photonic). Modeling and analysis of noise and dynamics in circuits and systems. Application of optimization techniques to digital communications, analog and digital circuits. Digital communications and signal-processing architectures, clock generation and distribution, high-speed digital circuit design, VLSI and mixed-signal IC design.

Processing and property optimization of thin films and nanostructures for applications in electronic, electromechanical, and electrochemical devices and systems. Interconnect and device reliability.

Charge, heat, and excitonic energy transport in nanostructured materials and devices. Ultrafast and nonlinear optical spectroscopy & imaging. Nanomaterials process engineering, with particular emphasis on colloidal quantum dots.

Energy related materials, micro-fuel cells, solar assisted water splitting, resonant and chemoresistive sensors, high K dielectrics, electro-optic and piezoelectric thin films, solid state ionics, thin film transistors, MEMS structures and devices.

Intersection of Manufacturing, Materials and Thermal-Fluids. Design and manufacturing of Nanoengineered Surfaces and their applications to Energy, Water, Oil & Gas, Agriculture, Transportation, Electronics Cooling Systems for significant efficiency enhancements. Nanoengineered Surfaces, Interfaces & Coatings and their Manufacturing, Scalable Nanomanufacturing, Additive Manufacturing, Thermal Fluids & Heat Transfer, Phase Change Phenomena, Micro/Nanoscale Transport, Separation, Materials Design, Thin films, Nanoceramics and metals, Superhydrophobic/philic surfaces, Icephobic surfaces, Energy Efficiency, Flow Assurance in Oil & Gas, Water.

Micro- and nano-enabled multiplexed scaled-down systems for space, energy, healthcare, manufacturing, and analytical applications. Electrospray, electrospinning, carbon nanotubes, silicon carbide, field emission, field-enabled ionization; electrical and chemical nanosatellite propulsion, plasma sensors, portable mass spectrometry, high-voltage 3D MEMS packaging, portable x-ray sources, ultracapacitors.

Microtechnology for basic cell biology, applied cell biology, and human health; Microsystems for stem cell biology; Electrostatics at the microscale, especially dielectrophoresis.

Heat and mass transport at the micro- and nano-scales, nanoengineered surfaces, and MEMS devices for applications in thermal management, solar thermal energy conversion, and water desalination.

Nano-engineered composites; nanocomposites; nanostructure synthesis and characterization, MEMS Power Devices and Energy Harvesting; Advanced Composite Materials and Systems; Structural Health Monitoring (SHM); Fracture, Fatigue and Damage Mechanics; Durability Modeling/Testing; Finite-Element Modeling; Structural Response and Testing; Buckling Mechanics

Micro Electro-Mechanical Systems (MEMS), electromechanical transducers, phononic crystals for resonators and signal processing, MEMS sensors. Radio frequency resonators and oscillators for wireless communication and clocking. Fabrication of MEMS.