Novel semiconductor device, circuits and systems for molecular biology and AI.
Journal PUblications (Chronological order)
1. X.
Zhao, A. Vardy, J. A. del Alamo, “Fin-Width Scaling of Highly-doped
InGaAs Fins”, IEEE Transactions of
Electron Devices, vol. 66, no. 6, pp. 2563-2568,
May. 2019.
2. X.
Zhao, A. Vardy, and J. A. del Alamo, “Excess OFF-State Current in
InGaAs FinFETs: Physics of the Parasitic Bipolar Effect”, IEEE Transactions of Electron Devices, vol. 66, no. 5, pp.
2113-2118, Mar. 2019.
3. X.
Zhao, C. Heidelberger, E. A. Fitzgerald, W. Lu, A. Vardy, and J. A.
del Alamo, “Sub-10 nm Diameter InGaAs Vertical Nanowire MOSFETs: Ni vs. Mo
contacts”, IEEE Transactions of Electron
Devices, vol. 65, no. 9, pp. 3762-3768, Sep. 2018.
4. X.
Zhao, W. Lu, A. Vardi and J. A. del Alamo, “Shrinking the Vertical
Nanowire MOSFET”, Compound Semiconductor
Magazine, vol. 24, no. 4, pp. 52-57, June. 2018.
5. X.
Zhao, A. Vardy, and J. A. del Alamo, “Excess Off-State Current in
InGaAs FinFETs”, IEEE Electron Device
Letters, vol. 39, no. 4, pp.476-479, April. 2018.
6.
A. Vardi, J. Lin, W. Lu, X.
Zhao, A. Fernando-Saavedra, and J. A. del Alamo, “A Si-Compatible
Fabrication Process for Scaled Self-Aligned InGaAs FinFETs,” IEEE Transactions on Semiconductor
Engineering, vol. 30, no. 4, pp. 468-474.
7. X.
Zhao, A. Vardy, J. A. del Alamo, “Sub-thermal Subthreshold
Characteristics in Top-down InGaAs/InAs Heterojunction Vertical Nanowire Tunnel
FETs”, IEEE Electron Device Letters, vol.
38, no. 7, pp.855-858, July. 2017.
8. X.
Zhao, C. Heidelberger, E. A. Fitzgerald and J. A. del Alamo,
“Source/Drain Asymmetry in InGaAs Vertical Nanowire MOSFETs”, IEEE Transactions of Electron Devices,
vol. 64, no. 5, pp. 2161-2165, May 2017.
9.
W. Lu, X. Zhao, D. Choi, S. E. Kazzi, J. A. del Alamo, “Alcohol-Based
Digital Etch for III–V Vertical Nanowires With Sub-10 nm Diameter”, IEEE Electron Device Letters. vol.
38, no. 5, pp.548-551, May. 2017.
10. J.
A. del Alamo, A. Vardi and X. Zhao,
“InGaAs finFETs for Future CMOS”, Compound
Semiconductor Magzine, vol. 22, no. 6, pp. 19-25, Aug. 2017.
11. J. A. del Alamo, D. A. Antoniadis,
J. Lin, W. Lu, A. Vardi and X. Zhao,
“Nanometer-Scale III-V MOSFETs,” IEEE
Journal of the Electron Devices Society, vol. 4, no. 5, pp. 205-214, Jul.
2016.
12. H. Chong, X. Jia, L. Wei, S-C. Tan, X. Zhao, J. Joannopoulos, and Y. Fink,
“Crystalline Silicon Core Fibres from Aluminum Core Performs”, Nature Communication, vol. 6, Feb.2015.
13. A. Vardi, W. Lu, X. Zhao, J. A. del Alamo, “Nano-scale Mo Ohmic Contacts to III-V
Fins”, IEEE Electron Device Letters. vol. 36, no. 2, pp.126-128, Feb.
2015.
14. X. Zhao, J.
A. del Alamo, “Nanometer-Scale Vertical-Sidewall Reactive Ion Etching of InGaAs
for 3-D III-V MOSFETs”, IEEE Electron
Device Letters, vol. 35, no. 5, pp. 521-523, May. 2014.
15.
J. Lin, X. Zhao, D.
A. Antoniadis, and J. A. del Alamo, “A Novel Digital Etch Technique for Deeply
Scaled III-V MOSFETs”, IEEE Electron
Device Letters, vol. 35, no. 4, pp. 440-442, Apr. 2014.
16.
S. Xu, Y. Yang, D. Pei, X.
Zhao, Y. Wnag, W. Sun, B. Ma, Y. Li, S. Xie, L.-M. Peng, “A Waveguide-Like
Effect Observed in Multiwalled Carbon Nanotube Bundles,” Advanced Functional Materials, vol. 20, no. 14, pp. 2263-2268, Jun.
2010.
Conference Proceedings (Chronological order)
1.
J. A. del Alamo, X. Cai, W. Lu, A. Vardi and X. Zhao, “III-V CMOS: Quo Vadis?”
Invited Talk at Compound Semiconductor
Week, Cambridge, US, May 29 –
June 1, 2018.
2.
J. A. del Alamo, X. Cai, W. Lu, A. Vardi and X. Zhao, “III-V CMOS: Quo Vadis?”
Invited Talk at Joint International
EUROSOI Workshop and International Conference on Ultimate Integration on
Silicon (EUROSOI-ULIS 2018), Granada, Spain, March 19-21, 2018.
3. X.
Zhao, C. Heidelberger, E. A. Fitzgerald W. Lu, A. Vardi and J. A.
del Alamo, “Sub-10 nm InGaAs Vertical Nanowire MOSFETs”, in IEDM Tech. Dig., 2017, pp. 413-416.
4.
A. Vardi, L. Kong, W. Lu, X. Cai, X. Zhao, J. Grajal and J. A. del Alamo, “Self-Aligned InGaAs
FinFETs with 5-nm Fin-Width and 5-nm Gate-Contact Separation”, in IEDM Tech. Dig., 2017, pp. 429-432.
5.
J. A. del Alamo, X. Zhao,
W. Lu, and A. Vardi, “Towards Sub-10 nm Diameter InGaAs Vertical Nanowire
MOSFETs and TFETs.” Invited Talk at 2017
5th Berkeley Symposium on Energy Efficient Electronic Systems,, Berkeley, CA, October 19-20, 2017.
6.
J. A. del Alamo, X. Cai, J. Lin, W. Lu, A. Vardi, and X. Zhao, “CMOS Beyond Si:
Nanometer-Scale III-V MOSFETs” Invited Talk at 31st Annual IEEE Bipolar/BiCMOS Circuits and Technology Meeting,
Miami, FL, October 19-21, 2017, pp. 25-29.
7. X.
Zhao, C. Heidelberger, E. A. Fitzgerald and J. A. del Alamo,
“Top-down InGaAs Vertical Nanowire MOSFETs with Record Characteristics”, Compound Semiconductor Week, Berlin,
Germany, May 14-18, 2017.
8.
A. Vardi, J. Lin, W. Lin, X. Zhao, J. A. del Alamo “High Aspect Ratio InGaAs FinFETs with
Sub-20 nm Fin Width,” in VLSI Tech. Dig., 2016, pp. 1-2.
9.
Vardi, X. Zhao, J. A. del Alamo, “Quantum-Size Effects in Sub 10-nm Fin
Width InGaAs FinFETs”, in IEDM Tech. Dig., 2015, pp. 807-810.
10. T. P. Xiao, X.
Zhao, S. Agarwal, E. Yablonovitch, “Impact of Interface Defects on Tunneling
FET Turn-on Steepness”, 2015 4th Berkeley Symposium on Energy Efficient
Electronic Systems, Berkeley, CA, Oct, 2015.
11. J. A. del Alamo, D. A. Antoniadis, J. Lin, W. Lu,
A. Vardi and X. Zhao, “III-V MOSFETs
for future CMOS”, Invited Paper at IEEE
Compound Semicoductor Symposium, New Orleans, LA, Oct, 2015.
12. X. Zhao, A.
Vardy, J. A. del Alamo, “InGaAs/InAs Heterojunction Vertical Nanowire Tunnel
FETs Fabricated by a Top-down Approach”, in IEDM Tech. Dig., 2014, pp.
590-593.
13. Vardi, X. Zhao and J. A. del Alamo, “InGaAs
Double-Gate Fin-Sidewall MOSFET”, in Proc. 72nd
Annu. Device Res. Conf., June. 2014, pp. 219-220.
14. X. Zhao, J.
Lin, C. Heidelberger, E. A. Fitzgerald and J. A. del Alamo, “Vertical Nanowire
InGaAs MOSFETs Fabricated by a Top-down Approach”, in IEDM Tech. Dig., 2013,
pp. 695-698.
15.
J. Lin, X. Zhao, T.
Yu, D. A. Antoniadis, and J. A. del Alamo, “A New Self-aligned Quantum-Well
MOSFET Architecture Fabricated by a Scalable Tight Pitch Process”, in IEDM Tech. Dig., 2013, pp. 757-760.
16.
J. A. del Alamo, D. Antoniadis, A. Guo, D.-H. Kim, T.-W. Kim, J.
Lin, W. Lu, A. Vardi, and X. Zhao,
“InGaAs MOSFETs for CMOS: Recent Advances in Process Technology”, in IEDM Tech. Dig., 2013, pp. 24-27.
Conference presentations (Chronological order)
1. X.
Zhao, A. Vardy, and J. A. del Alamo, “Modeling the Parasitic Bipolar
Effect in InGaAs FinFETs”, Compound Semiconductor
Week, Cambridge, US, May 29 –
June 1, 2018.
2.
W. Lu, X. Zhao, and J. A. del Alamo, “Towards Sub-10 nm Diameter III-V
Vertical Nanowire Transistors”, TECHCON
2017, Austin, TX, Sep 11-13, 2017.
3.
A. Vardi, J. Lin, W. Lu, X.
Zhao and J. A. del Alamo, “A Si-Compatible Fabrication Process for Scaled
Self-Aligned InGaAs FinFETs.” Plenary Session Invited Talk, CS MANTECH 2017, Indian Wells, CA, May
22-25, 2017.
4. X.
Zhao, C. Heidelberger, E. A. Fitzgerald and J. A. del Alamo,
“Source/Drain Asymmetry in InGaAs Vertical Nanowire MOSFETs”, TECHCON 2016, Austin, TX, Sep
11-13, 2016.