Microelectronics & Applications

 NameResearch Interests
Asst Prof (Adj) Akkipeddi RamamProf Ramam's areas of expertise are, Growth of arsenide/phosphide based materials by MBE/MOCVD,InP based optical MEMS, GaN based optoelectronic devices, His current research works focus on Nanopatterning by e-beam lithography and Printing of functional materials for Electronic applications.
Assoc Prof Ang Diing Shenp1. Reliability physics and characterization of nanoscale transistors (negative-bias temperature instability, hot-carrier effects, gate oxide breakdown, low frequency/RF noise, metal gate/high-kappa gate stack, non-volatile memories, silicon-on-insulator transistors, nanowire devices etc.) 2. Nano-characterization techniques (conductive atomic force microscopy, high-resolution transmission electron microscopy and associated anaytical techniques for alternative gate dielectrics, nanowire devices etc.) 3. Characterization of novel devices (e.g. tunneling FETs, novel memories etc.)
Assoc Prof Ang Lay Kee RickyThe details can be founded in his web page: http://www3.ntu.edu.sg/home/elkang/
Asst Prof (Adj) Bai PingPlasmonics & Nanoelectronics
Assoc Prof Bogdan Jaroslaw FalkowskiAssoc. Prof. Bogdan J. Falkowski's areas of expertise are Electronic Design Automation Tools and Systems for Digital Logic Design and Optimization, Spectral and Discrete Representations of Multiple-Valued and Binary Functions, Design of Algorithms and Discrete Transforms, Design for Testability, Simulation, and Verification, Digital Signal and Image Processing Algorithms and Implementations in ASICs and FPGAs, Biomedical Image Compression and Watermarking.
Asst Prof Boon Chirn Chye(1) Awards: · PI: Ultra-low Power Fully Integrated CMOS 24GHz Receiver, $0.208mil ($0.323mil including scholarship), March 2008 to February 2011, AcRF Tier 1 MOE. · PI: Batteryless Flexible Transceiver for Biomedical Applications. $0.765mil ($0.995mil including scholarships), May 2009 to April 2012, AcRF Tier 2 MOE. · Co-PI: An Ultra Low-Power RFIC Chip For Wireless and Communication Applications S$1.2 mil, March 2006 to February 2009, funded by Agency for Science, Technology and Research (A*STAR). · Co-PI: System-on-chip: Realization of Software Radio, S$0.3 mil, 3 December 2008 to 2 December 2009, University of Electronic Science and Technology (UEST) of China-NTU Joint R&D, jointly funded by UEST and NTU. · Co-PI: An Ultra Low-Power RF Transceiver Chip towards a New Paradigm of Life Quality, $0.25 mil, 3 December 2008 to 2 December 2009, NRF. (2) Research Interest My research interests are in the areas of radio frequency (RF) circuits and systems design for Biomedical and Communications applications. For example ECG/Wheeze (Asthma)/Anti-Fall RF sensor network, next generation hand-phone and wireless local-area network (WLAN) design. I have been looking at methods to improve the design of transceivers (radios) for the above applications in order to achieve ultra-low power, low cost, small die size and good performance. Below is the brief description of my current works. (1) Transceiver Design for ultra-low power application. An example of my work in this area is in the ultra low-power voltage-controlled oscillator (VCO) design. This work was published in IEEE Transaction year 2004 and has six citations (ISI) so far. Another work which is on Low power LNA by my part-time PhD student (Aaron) was published in IEEE Transaction year 2008. (2) High Frequency Effects on Circuit Operation: Study and Solution Two examples of my work on this topic were published in IEEE Transaction year 2005 and IET Proceeding year 2004. (3) RF Components Modeling and Innovation Recently we have filed a patent together with our industry partner, Chartered Semiconductor on a new invention that will allow the quality factor of an integrated inductor to achieve 1000 times higher than conventional inductor. This work currently being pursued by my PhD student (Qiu Ping) is set to revolutionize the RFIC industry. (4) Next Generation High Frequency Circuit Design: Theory and Design A novel circuit was designed, fabricated and tested at 23GHz. This work was published in the last edition of E3 World (an EEE-NTU's publication).
Assoc Prof Chan Pak KwongDr Chan's research interests are in areas of mixed-mode circuits and systems, precision analog circuit design, integrated circuit analysis and circuit theory & applications. Currently, he has initiated SENSOR CIRCUITS & SYSTEMS research, focusing on * sensor interface ICs for biomedical, chemical, environmental and nanotechnology based sensors; * ADC/DAC ICs for biomedical and environmental sensor signal-processing applications; * accelerometer ICs for biomedical, consumer electronics and military applications; * sensor systems based on ultra low-power low-noise analog/mixed-signal circuits, highly-accurate instrumentation circuits or intelligent design techniques.
Asst Prof Chen LangDr. Chen has worked on ferroic systems including ferroelectrics, ferromagnetic, multiferroic thin films as well as nanostructured multiferroic materials. He also initiated the projects of making nanostructured NIM heterostructures using ferroelectrics and multiferroics. He is also interested with other functional thin films & devices.
Assoc Prof Chen TupeiCurrent research includes nanoscale CMOS device physics and reliability physics, semiconductor nanocrystals and their applications in nanoelectronic devices (nanocrystal-based Flash memory and DRAMs, single-electron and few-electrons devices, etc.) and photonic/optoelectronic devices (Si-based light emitters, optoelectronic memory), and Si optoelectronic integrated circuits for chip-to-chip and system-to-system communication.
Asst Prof Chen XiaodongCurrently, Prof. Chen's research focuses on three directions: (1) Nanobioelectronics: to develop integrated nanostructure-biomaterial hybrid systems for bioelectronics and probe biological processes at the nanoscale; (2) Bioinspired assembly: to mimic methods used by nature for interfacing organic and non-organic material and building hierarchical structures with advanced functions, and (3) Nanomaterials for energy conversion and storage: to explore nanoscale modules for light harvesting, charge separation, solar energy conversion, and storage.
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