ECE Research Areas > Solid-State Devices and Nanotechnology
Solid-State Devices and Nanotechnology
Research projects in the Solid-State area cover a wide variety of topics. Experimental research in integrated photonics and optoelectronics spans work varying from device design and fabrication, device physics, optoelectronic integrated circuits and photonic integrated circuits for communication, imaging and sensing, solar cells, to the integration of III-V based photonics with Si CMOS. In many of these areas, the experimental work is complemented by theory, modeling and analysis. Research in organic and molecular electronics includes organic field-effect transistors, integrated circuits and light-emitting devices on glass and plastic substrates, hydrogenated amorphous silicon thin-film transistors and active-matrix arrays on glass and plastic substrates for flat panel displays and sensors, and active-matrix organic light-emitting display technology.

The SSEL is a leader in the research of high performance electronic and optoelectronic devices based on high quality compound semiconductor materials and complex semiconductor heterostructures. The epitaxial growth of compound semiconductor materials is an integral part of the SSEL, where three molecular beam epitaxy systems and one metal-organic chemical vapor deposition system are currently under extensive use for the research of new materials and to support device research.

The SSEL is also home to one of the most active and prominent programs in high-frequency (GHz and THz) devices, materials and integrated circuits. Devices have ranged from vacuum tubes used in the 1950s for use in microwave circuits to mainly solid-state devices that have been developed and used since the 1960s. Many significant developments in millimeter, microwave, and RF circuits have been made during the past five decades, and ongoing research focuses on the development and application of THz frequency devices and technologies.

Finally, there is a rapid growing interest in the study of nanoscience and the development of nanotechnogies. Many interesting phenomena and new properties associated with various nanostructures represent an untapped source of scientific investigation. There are strong efforts in SSEL in nanotechnology and nanofabrication, and significant advancements were achieved in 2004 in developing new nanotechnologies and exploring many novel applications.

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