RESEARCH NEWS
2013
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Congratulations to Paul and Yi for passing their Ph.D. qualifying exams!
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Congratulations to Chen for winning one of the best poster awards at the CNST workshop!
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Xin and Chen's paper entitled "Monolithic Barrier-All-Around High Electron Mobility Transistor with Planar GaAs Nanowire Channel" has been accepted by Nano Letters!
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Our work on van der Waals epitaxy of InGaAs nanowire growth on graphene has been highlighted by IEEE Spectrum, R&D magazine, phys.org, etc.
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Congratulations to Ryan for officially becoming Dr. Dowdy and for accepting a job offer from Northrop Grumman!
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Congratulations to Ryan Kim for receiving the John Bardeen Graduate Fellowship!
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Chen Zhang's paper entitled ''A Distributive-Transconductance Model for Border Traps in III-V/High-k MOS Capacitors'' has been accepted by IEEE Electron Device Letters.
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Parsian's paper entitled ''In(x)Ga(1-x)As Nanowire Growth on Graphene: van der Waals Epitaxy Induced Phase Segregation'' has been accepted by Nano Letters.
2012
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Congratulations to Karthik and Kyooho for passing their Ph.D. qualifying exams!
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Our rolled-up inductor work has been covered by numerous press including Phys.org [pdf], nsf.gov, R&D magazine.
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"On-Chip Inductors with Self-rolled-up SiNx Nanomembrane Tubes: a Novel Design Platform for Extreme Miniaturization," authored by Wen Huang, Xin Yu, Paul Froeter et al. has been published in Nano Letters.
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"Heterogeneous Integration of InGaAs Nanowires on the Rear Surface of Si Solar Cells for Efficiency Enhancement," authored by Jae Cheol Shin, Parsian Mohseni et al. has been published in ACS Nano.
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"Relationship between Planar GaAs Nanowire Growth Direction and Substrate Orientation," R. Dowdy, D. Walko, and X. Li, has been published in Nanotechnology.
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Prof. Li delivered a talk on Semiconductor Nanoelectronic and Nanophotonic Devices, as a plenary speaker at the 2012 International Conference on Nano Science and Nanotechnology on Korea.
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Jae and Chen's paper on "MacEtch using an all-inorganic high aspect ratio InAs nanowire mask for sub-100 nm Si nanowires and nanosheets" has been accepted by Nanotechnology.
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Karthik et al.'s paper on MacEtch of degenerately doped Si has been accepted by Nanotechnology.
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Jae et al.'s paper on the characteristics of InGaAs nanowire on Si has been published in Crystal Growth and Design.
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Jae et al.'s paper on MacEtch produced Si micropillar array solar cell has been published in IEEE Journal of Photovoltaics.
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Prof. Li's talk at the CNST workshop on "Array based III-V nanowire transistors" has been posted on YouTube.
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Prof. Li has published a SPIE newsroom article entitled "MacEtch: anisotropic metal-assisted chemical etching defies the textbooks". 10 April 2012, SPIE Newsroom. DOI: 10.1117/2.1201203.004147
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Ryan Kim has received the E. C. Jordan Award. These awards are given to seniors in the Department on the basis of excellence in scholarship and excellence of the individual effort in some area of Electrical and Computer Engineering.
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Prof. Li has received the 2012 Dean's Award for Excellence in Research.
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Ryan's paper on unidirectional GaAs nanowires on (110) substrates is to appear in EDL.
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Prof. Li's invited review article on MacEtch has been published.
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Prof. Li's invited review article on Rolled-up tube based photonics has been published.
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Our GaAs MacEtch work has been covered by numerous press including LED professional, Compound Semi, Solar Novus Today, EE Times, Semiconductor Today, Sciencley.
2011
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Congratulations to Ik Su Chun for officially becoming Dr. Chun!
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Congratulations to Chen Zhang for passing his Ph.D. qualifying exam!
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Congratulations to Xin Miao for winning the IEEE Electron Device Society student chapter Distinguished Student Speaker competition!
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Matt's paper on the formation of high aspect ratio GaAs nanostructures using MacEtch has been published online in Nano Letters. This work establishes the applicability of MacEtch for high aspect ratio nanostructure formation beyond just Silicon. It opens up the possibilities of making III-V optoelectronic devices without using conventional dry etch.
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Our all composition InGaAs nanowire on Si work has been reported by the UI News Bureau and featured by news outlets for its promise to make better solar cells, including Compound Semiconductor, National Science Foundation, Science News Online, R&D Magazine, Solar Novus Today, etc.
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Jae's paper on 1D heterogeneous integration of InGaAs nanowires on Si substrate over almost the entire composition range has been published online in Nano Letters. This work establishes the possibility of making nanowire based multi-junction tandem solar cells without the lattice mismatch restriction in planar cells.
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Kevin Bassett's paper, in collaboration with the Bruan group, on three-dimensional structuring of optoelectronic devices has been published on the cover of the September issue of Nature Materials.
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Xin Miao's paper on GaAs planar nanowire array based HEMT has been published.
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Paul Froeter has received the E. C. Jordan Award. These awards are given to seniors in the Department on the basis of excellence in scholarship and excellence of the individual effort in some area of Electrical and Computer Engineering.
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Prof. Li has received the ONR 2011 Young Investigator Program Award.
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Ik Su Chun, and Archana Challa's paper titled "Geometry dependence of strain driven self-rolling of semiconductor tubes", in collaboration with Prof. Jimmy Hsia's group in mechanical enigeering, is published in Nano Letters. [pdf]
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Ik Su Chun, Kevin Basset, and Archana Challa's paper on the PL characteristics of rolled-up GaAs QW has been published in APL and selected by Virtual Journal of Nanoscale Science & Technology [pdf]
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Ik Su Chun and Prof. Li have co-authored a paper in Nature with Prof. Rogers' group on multi-stack GaAs based PV cells [news release] [pdf].
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Our work on metal-assisted chemical etching (MacEtch) for high aspect ratio silicon nanostructures has been published in Nano Letters (main author Winston Chern)[pdf]
2010
- Congratulations to Archana Challa for accepting a position with Intel Corporation.
- Our work on nanowires has been featured in the University of Illinois Annual Report. [pdf]
- Professor Li has been appointed as a fellow of Center for Advanced Study. [link]
- Ryan Dowdy receives Wilson Graduate Fellowship from Argonne National Laboratory! [link]
- Our review paper written by Seth Fortuna and Prof. Li titled "Metal-catalyzed semiconductor nanowires: a review on the control of growth directions" has been published
in Semiconductor Science and Technology Journal [pdf].
- A cross-campus team including Prof. Li has received ARPA-E funding to develop novel waste heat capture system using large area arrays of 1D concentric silicon nanotubes
(link to news article).
- Congratulations to Seth Fortuna for passing his PhD qualifying exam.
- Congratulations to Seth Fortuna, Ryan Dowdy, and Kevin Bassett for receiving their MS degrees.
2009
2008
- Seth Fortuna, Jianguo Wen (FS-MRL), Ik Su Chun and Prof. Li's work on Planar GaAs nanowires has been published in Nano Letters [pdf].
- Seth Fortuna has been chosen as a finalist for the Best Student Paper Award at the 2008 IEEE LEOS Conference for the paper "MOCVD Grown III-V Nanowires: In-Plane, Self-Aligned and Transfer-Printable".
- Our work on semiconductor nanotubes is featured in an article by Dean Adesida, "Compound Semiconductors: Illinois Contributions and Perspective" [pdf], published in the 2008 CS MANTECH Conference digest.
- Prof. Li's review paper on strain induced semiconductor nanotubes has been published in Journal of Physics D: Applied Physics [pdf]
- Ik Su Chun's work on large area assembly and dispersion of semiconductor nanotubes has been published in IEEE Transactions on Nanotechnology [pdf].
- Ik Su Chun and Edmond Chow's (MNTL staff) work on 3D nanoscale patterned porous silicon has been published in Applied Physics Letters and selected by the Virtual Journal of Nanoscale Science and Technology [pdf].
- Seth Fortuna's work on planar nanowires has been filed for a patent.
- Ik Su Chun and Varun Verma's (Semiconductor Laser Lab) work on semiconductor nanotube formation has been published in Journal of Crystal Growth [pdf].
- Prof. Li won the NSF CAREER award.
