supported in part by National Natural Science Foundation of China(Grant Nos.60976068,60936005);Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China Program(Grant No.708083)
Electrostatic-discharge (ESD) protection design is one of the key challenges of advanced CMOS processes. RC-triggered and MOSFET-based power supply ESD clamp circuits have been widely used to ob- tain the desired ES...
Project supported by the National Natural Science Foundation of China (Grant Nos. 60976068 and 61076097);the Cultivation Fund of the Key Scientific and Technical Innovation Project of the Ministry of Education of China (Grant No. 708083)
HfO2 films are deposited by atomic layer deposition(ALD) using tetrakis ethylmethylamino hafnium(TEMAH) as the hafnium precursor,while O3 or H2O is used as the oxygen precursor.After annealing at 500℃ in nitrogen...
Project supported by the National Natural Science Foundation of China (Grant Nos. 60976068 and 61076097);the Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China (Grant No. 708083)
A comparative study of two kinds of oxidants(H2O and O3) with the combinations of two metal precursors [trimethylaluminum(TMA) and tetrakis(ethylmethylamino) hafnium(TEMAH)] for atomic layer deposition(ALD) ...
supported by the National Natural Science Foundation of China(Nos.60976068,60936005);the Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China(No.708083)
A MOSFET-based electrostatic discharge (ESD) power clamp circuit with only a 10 ns RC time constant for a 0.18-μm process is proposed. A diode-connected NMOSFET is used to maintain a long delay time and save area. ...
Project supported by the National Natural Science Foundation of China (Grant Nos. 60976068 and 61076097);the Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China (Grant No. 708083)
Based on X-ray photoelectron spectroscopy (XPS), influences of different oxidants on band alignment of HfO2 films deposited by atomic layer deposition (ALD) are investigated in this paper. The measured valence ban...
supported by the National Natural Science Foundation of China (Grant Nos. 60976068 and 60936005);the Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China (Grant No. 78083)
After constructing a stress and strain model, the valence bands of in-plane biaxial tensile strained Si is calculated by k·p method. In the paper we calculate the accurate anisotropy valance bands and the splitting e...
supported by the National Natural Science Foundation of China (Grant Nos. 60976068,61076097);the National Defence Advance Research Program (Grant No. 801030401);and the Fundamental Research Funds for the Central Universities (Grant No. 200807010010)
This paper presents a low-power design for a fixed coefficient multiplier, based on the canonic signed digit (CSD) method. The proposed technology overcomes the defects of the general CSD method by reducing system p...
Project supported by the National Natural Science Foundation of China(Nos.60976068,61076097);the National Defense Foundation of China(No.413080401)
A low-voltage triggering silicon-controlled rectifier(LVTSCR),for its high efficiency and low parasitic parameters,has many advantages in ESD protection,especially in ultra-deep sub-micron(UDSM) IC and high freque...
Project supported by the National Natural Science Foundation of China(Nos.60976068,60936005);the Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China(No.708083).
The characteristics of a low-voltage triggering silicon-controlled rectifier (LVTSCR) under a transmission line pulse (TLP) and the characteristics of high frequency are analyzed. The research results show that th...
Project supported by the National Natural Science Foundation of China(Nos60976068,60936005);the Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China(No708083);the Specialized Research Fund for the Doctoral Program of Higher Education(No200807010010)
On the basis of the exact resultant solution of two dimensional Poisson’s equations,a new accurate two-dimensional analytical model comprising surface channel potentials,a surface channel electric field and a thresho...