Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Hwa-Chang Seo"'
Publikováno v:
Micro- and Nanotechnology Sensors, Systems, and Applications XII.
Phase change materials (PCM) provide unique optical characteristics, such as a dramatic change in optical refractive index
Publikováno v:
IEEE Transactions on Nanotechnology. 16:239-244
For the goal of developing biocompatible sensors and electronics for in vivo applications, we report the first graphene field effect transistors (GFETs) fabricated on microbial cellulose (MBC), a biointegrative and ultraflexible biopolymer membrane.
Autor:
Eric Pop, K. Kay Son, Eilam Yalon, Elias Flores, Hwa-Chang Seo, Geovanni Candia, Jeong-Sun Moon, Kangmu Lee
Publikováno v:
Micro- and Nanotechnology Sensors, Systems, and Applications XI.
Autor:
Baohua Yang, Kyung-Ah Son, D. Wong, Song Hyok Jae, Dustin Le, M. Antcliffe, Helen Fung, Hwa-Chang Seo, Jeong-Sun Moon, C. McGuire, Adele E. Schmitz, Jongchan Kang
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 5:344-350
We report millimeter-wave and sub-terahertz detection using graphene FETs up to 220 GHz at zero-bias to reduce $1/f $ noise. Detection leveraged the nonlinearity of the channel resistance through resistive field-effect transistor mixing for high-dyna
Autor:
Sevag Terterian, Tahir Hussain, Hwa-Chang Seo, K.-A. Son, T. J. de Lyon, Hasan Sharifi, D. Wong, Jeong-Sun Moon
Publikováno v:
IEEE Transactions on Nanotechnology. 14:10-14
We report the first demonstration of: 1) wide-wavelength range, infrared transparent conductors (ITCs) made of silver nanowires (Ag NWs), and 2) ITC contact-integrated prototype, InAsSb mid-wavelength IR (MWIR) detectors. The Ag NW-based ITCs show op
Autor:
Jeong-sun Moon, Hwa-chang Seo, Son, K. Kay, Yalon, Eilam, Kangmu Lee, Flores, Elias, Candia, Geovanni, Pop, Eric
Publikováno v:
Proceedings of SPIE; 2/14/2019, Vol. 10982, p1-5, 5p
Publikováno v:
2016 74th Annual Device Research Conference (DRC).
Wireless systems are evolving into complex hardware architectures with carrier aggregation and multiple-input-multiple-output (MIMO) antennas to support higher peak data rates and spectral efficiencies under International Mobile Telecommunications-Ad
Autor:
Kyung-Ah Son, Adele E. Schmitz, Baohua Yang, Hwa-Chang Seo, Dustin Le, Jeong-Sun Moon, Helen Fung
Publikováno v:
2015 IEEE MTT-S International Microwave Symposium.
We report zero-bias millimeter-wave and sub-THz detection using graphene FETs up to 220 GHz and graphene heterostructure diodes with reduced 1/f noise in direct detection. This detection leveraged the nonlinearity of the channel resistance through re
Autor:
Hwa-Chang Seo, Thomas C. Oh, Dustin Le, Daniel Zehnder, Samuel Kim, Helen Fung, Baohua Yang, Jeong-Sun Moon, Kyung-Ah Son, Adele E. Schmitz
Publikováno v:
2015 IEEE MTT-S International Microwave Symposium.
We report on GeTe-based, phase-change RF switches in a series configuration with an embedded micro-heater for thermal switching. With heater parasitics reduced, these GeTe RF switches show on-state resistance of 0.12 ohm*mm and off-state capacitance
Autor:
Baohua Yang, Samuel Kim, Hwa-Chang Seo, Adele E. Schmitz, Kyung-Ah Son, Thomas C. Oh, Jeong-Sun Moon, Helen Fung, Dustin Le
Publikováno v:
2015 IEEE 15th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems.
We report on GeTe-based phase-change RF switches with embedded micro-heater for thermal switching. With heater parasitics reduced, GeTe RF switches show onstate resistance of 0.05 ohm*mm and off-state capacitance of 0.3 pF/mm. The RF switch figure-of