|| Purdue University
School of Electrical and Computer Engineering
465 Northwestern Ave.
West Lafayette, Indiana 47907-2035
1205 West State Street
West Lafayette, Indiana 47907-2057
||BRK 1291 (Birck)
EE 252 (ECE)
|| Phone: 765.494.7611
|| * BS, Fudan University,
Shanghai, China, 1988
* Ph.D., Max-Planck-Institute for Solid State
Research, Stuttgart, Germany, 1996
Semiconductor physics and devices,
Nano-structures and nano-fabrications,
Quantum/spin-transport, Atomic layer deposition,
High-k/III-V device integration,
High-performance III-V MOSFETs, High-k/graphene
integration, High-performance graphene FETs,
Graphene spintronics, All oxide electronics, and
Recent News in our ALD Group:
"IEEE Spectrum" magazine, the most
prestigious one in electrical engineering society, publishes a long
feature article about our break-through work on ALD high-k/InGaAs MOSFET. This
article also reviews the history and current status of GaAs MOSFET research.
Science quotes our breakthrough work on
InGaAs MOSFET in its editorial article published on Feb. 20, 2009.
Three papers on InGaAs MOSFETs
(PDF), FinFETs (PDF) and GaAs
interface studies (PDF) are
accepted by IEDM 2009. Yanqing Wu's the first III-V FinFET work is selected as
one of eight highlights for the coming IEDM.
first III-V FinFET gets wide interests from the device community:
papers are accepted this year for the coming meeting in December 2011. The first one is
Jiangjiang Gu's the first experimental demonstration of gate-all-around (GAA)
III-V MOSFET by top-down approach. The second one is the joint paper with Fudan
University on InGaAs MOSFET reliability study.
receives 2011 IBM Faculty Award.
Gu's breakthrough work on world-first top-down gate-all-around (GAA) III-V
nanowire FET got a lot of attentions from CMOS and nanoelectronics community
after IEDM report.
Gu receives 2012 Bilsland Dissertation Fellowship.
Peide Ye has
been selected by a panel of distinguished professors at Purdue to be a
University Faculty Scholar.
were presented at 2012 Device Research Conference (DRC) including 2 Late News
Papers. They are Jiangjiang Gu's "III-V 4D Transistors"
PDF, Kun Xu's "IPE
study of graphene band alignment" in collaborations with NIST and UCLA
PDF, and Adam Neal and Han Liu's "Metal Contacts to MoS2"
PDF This is the first time for our
group having Late News Papers in a competitive conference.
graphene FET paper is among the most downloaded Appl. Phys. Letters paper in the
past 5 years.
two papers on III-V GAA nanowire FETs are accepted by IEDM. They are "20-80nm
Channel Length InGaAs Gate-all-around Nanowire MOSFETs with EOT=1.2nm and Lowest
SS=63mV/dec" and "III-V Gate-all-around Nanowire MOSFET Process Technology: From
3D to 4D". The work is in close collaborations with Prof. Roy Gordon's group at
Peide Ye has
been named IEEE Fellow in December 2012. He was honored for his contributions to
compound semiconductor MOSFET materials and devices. IEEE Fellow is the highest
grade of membership and is recognized by the technical community as a
prestigious honor and an important career achievement.
Gu wins 2012 SISC Ed Nicollian Best Student Paper Award
work on atomic layer epitaxial oxide on GaAs (111)A surface was reported by
MOS-HEMT was reported by Semiconductor Today
were presented at 2013 Device Research Conference (DRC) including 1 Late News
Paper. They are Mengwei's "Raised source/drain III-V 3D Transistors"
with Harvard, Han Liu's "CVD MoS2 FETs" with Rice, and Heng
Wu's "Room-temperature Quantum Oscillations on Sub-10nm Ge MOSFETs" as the Late
Heng Wu wins
2013 SISC Ed Nicollian Best Student Paper Award
Han Liu and Adam Neal's work on phosphorene starts to
attract attention in nano-materials and nano-electronics communities:
Nature reports: Phosphorene excites materials scientists
Science reports: Beyond Graphene Science 2015 Beyond Graphene
2015 Nature reports: 2D or not 2D 2015 Nature 2D Report
Phosphorene work is highlighted as one of 'Cutting edge chemistry in 2014" by Chemistry World/Royal Society of Chemistryhttp://www.rsc.org/chemistryworld/2014/12/cutting-edge-chemistry-2014-year-roundup
Han Liu receives the CoE Outstanding Grad Student
Research Award for his outstanding work on MoS2 and Phosphorene.
Three papers are accepted by VLSI 2014 including one
Late News Paper. They are Heng
Wu's "Ge CMOS: Breakthroughs of nFETs (Imax=714 mA/mm, gmax=590 mS/mm) by
recessed channel and S/D" and Lin Dong's "III-V CMOS Devices and Circuits with
High-Quality Atomic-Layer-Epitaxial La2O3/GaAs Interface". The Late News
Paper is Lingming Yang's "High-Performance MoS2 Field-Effect Transistors Enabled
by Chloride Doping: Record Low Contact Resistance (0.5kΩum)
and Record High Drain Current (460 uA/um)" in collaborations with SEMATECH and
Three papers with two orals and one
poster are accepted for DRC 2014. They are Han Liu's phosphorene ambipolar FET,
Heng Wu's InAs NW MOSFETs and Yuchen Du's graphene/MoS2 contacts.
Total five papers are accepted by IEDM
2014 including one co-authored with Shin and Prof. Alam. They are:
"First Experimental Demonstration of Ge
CMOS Circuits" by Heng Wu et al.
"Deep Sub-100nm Ge CMOS Devices on Si
with the Recessed S/D and Channel" by Heng Wu et al.
"Low Frequency Noise and RTN on
Near-Ballistic III-V GAA Nanowire MOSFETs" by N. Conrad, M. Si, et al.
"Direct Observation of Self-heating in
III-V Gate-all-around Nanowire MOSFETs" by Shin, et al.
"Towards High Performance 2D Black
Phosphorus Optoelectronic Devices: the role of metal contact" by Yexin Deng et al.
Yexin Deng receives the 2014 IEEE
Electron Device Society Masters Student Fellowship.
Heng Wu's work on Ge CMOS starts to
attract attention in electronics device community:http://www.purdue.edu/newsroom/releases/2014/Q4/germanium-comes-home-to-purdue-for-semiconductor-milestone.htmlhttp://www.technologyreview.com/news/533586/new-chip-points-the-way-beyond-silicon/Atomic layer deposition aluminum oxide passivation for nitride HEMTshttp://www.semiconductortoday.com/news_items/2013/MAY/BAE_100513.html
Our group will give 4 presentations at the coming 73th DRC (Device Research Conferenece). The invited talk is on phosphorene. Three oral presentations are (1) Lingming's 10nm channel lenghth MoS2 FETs in collaborations with Intel and SMT (2) Hong's ALE GaN MOSHFET with Harvard (3) Heng's Ge CMOS work.
Heng Wu won the Best Student Paper Award for the 2014 Symposium on VLSI Technology, one of the two most competitive conferences in electronic device field.
Two IEDM papers are accepted by IEDM 2015. One is Heng's Ge nanowire CMOS and another is Jingyun and Mengwei's InGaAs nanowire with anisotropic etching.
Heng Wu won the Best Student Paper Award for the 2015 Device Research Conference, one of the competitive conferences in electronic device field.
IEEE Spectrum reports Heng Wu's Ge Nanowire CMOS work. PDFhttp://spectrum.ieee.org/semiconductors/devices/nanowire-transistors-could-let-you-talk-text-and-tweet-longer