Growing a silicon(Si) layer on top of stacked Si-germanium(Ge) compressive layer can introduce a tensile strain on the former, resulting in superior device characteristics. Such a structure can be used for high perfor...
Supported by the National Basic Research Program of China under Grant No 2011CBA00605;the National Natural Science Foundation of China under Grant No 61404165
Strained-Si0.73Ge0.27 channels are successfully integrated with high-R/metal gates in p-type metai-oxide- semi- conductor field effect transistors (pMOSFETs) using the replacement post-gate process. A silicon cap an...
Funded by the National Natural Science Foundation of China(Nos.51278058,41404095,51277012,61201233);the Fundamental Research Funds for the Central Universities(Nos.2013G1241120,2013G1241107,2013G1241114,CHD2011ZD004);Research Fund of Shaanxi Provincial Research Center for Telecommunication ASIC Design(No.SXASIC2014-1);the Shaanxi Science and Technology Research and Development Program(No.2013KJXX-93)
Intrinsic carrier concentration(ni) is one of the most important physical parameters for understanding the physics of strained Si and Si1-xGex materials as well as for evaluating the electrical properties of Si-based ...
supported by the National Natural Science Foundation of China(No.61366001);the National Basic Research Program of China(No.2011CB706601)
The effects of multiple scattering on the electron transport properties in drain regions are numerically investigated for the cases of strained-Si diodes with or without scattering in the channel. The performance of n...
The present work gives some insight into the subthreshold behaviour of short-channel double-material- gate strained-silicon on silicon-germanium MOSFETs in terms of subthreshold swing and off-current. The formu- latio...
Projects(51308040203,6139801)supported by the National Ministries and Commissions;Projects(72105499,72104089)supported the Fundamental Research Funds for the Central Universities,China;Project(2010JQ8008)supported by the Natural Science Basic Research Plan in Shaanxi Province,China
The effect of substrate doping on the threshold voltages of buried channel pMOSFET based on strained-SiGe technology was studied.By physically deriving the models of the threshold voltages,it is found that the layer w...
Supported by the Science and Technology Commission of Shanghai Municipality under Grant Nos 12ZR1453000, 12ZR1453100 and 12ZR1436300, the National Natural Science Foundation of China under Grant Nos 61306126, 61306127 and 61106015, and the CAS International Collaboration and Innovation Program on High Mobility Materials Engineering.
A strained-SiGe p-channel metal-oxide-semiconductor-field-effect transistors (p-MOSFETS) with higher-k LaLu03 gate dielectric was fabricated and electrically characterized. The novel higher-k (k-30) gate dielectri...
Projects(51308040203,6139801)supported by National Ministries and Commissions,China;Projects(72105499,72104089)supported by the Fundamental Research Funds for the Central Universities,China;Project(2010JQ8008)supported by the Natural Science Basic Research Plan in Shaanxi Province of China
A physically based analytical model was developed to predict the performance of the plateau observed in the gate C-V characteristics of strained-Si/SiGe pMOSFET.Experimental results were used to validate this model.Th...
Project supported by the Funds from the National Ministries and Commissions (Grant Nos. 51308040203 and 6139801);the Fundamental Research Funds for the Central Universities (Grant Nos. 72105499 and 72104089);the Natural Science Basic Research Plan in Shaanxi Province of China (Grant No. 2010JQ8008)
The effect of substrate doping on the flatband and threshold voltages of a strained-Si/SiGe p metal-oxide semiconductor field-effect transistor(pMOSFET) has been studied.By physically deriving the models of the flat...
supported by the Research Fund for the Doctoral Program of Higher Education of China (Grant No. JY0300122503);the National key Laboratory of Analog Integrated Circuitry Research Fund (Grant No.P140c090303110c0904)
In this study,the electron effective masses,including longitudinal,transverse,density-of-states and conductivity effective masses,have been systematically investigated in(001),(101) and(111) biaxially strained Si and ...