CN – Page 25 – TechConnect Briefs

Electric Filed Modulation on the Geometric and Electronic Structures of Diblock Molecule

Wi Li Y., Yin G.P., Zhao J.W., Harbin Institute of Technology, CN

Theoretical investigations on the diblock molecule, thiophene-thiazole compound, have been carried out at Hartree-Fock (HF) level by considering the interaction from the external electric field (EF). It demonstrates the external EF modifies both the geometric [...]

Effects of Silicon Nanowires on HepG2 Cell Adhesion and Spreading

Qi S., Yi C., Chen W., Fong C-C, Lee S-T, Yang M., City University of Hong Kong, CN

The unique capabilities of nanomaterials make them good candidates for catalysts, biosensors, and even drug carriers. However, interactions of nanomaterials with biological systems and the environment may lead to potential toxicity. While there have been [...]

ALTRAS-CNFET: Full-Band Based Quantum Transport Simulator for Carbon Nanotube Field Effect Transistor Engineering: From Chirality to Device Performance

Tao Y., Liu F., Bian W., Man T.Y., Chan M., He J., Shenzhen Graduate School, Peking University, CN

ALTRAS-CNTS is a powerful full-band based quantum transport simulator for CNT energy-band and CNFET performance calculation. It can directly compute device tunneling gate current in the radial direction, drain current in the channel and other [...]

A Carrier Based Analytic Model for Undoped Surrounding-Gate MOSFETs

He J., Zhang X., Chan M., Wang Y., Peking University, CN

A carrier-based analytic DCIV model for the undoped cylindrical surrounding-gate MOSFETs is presented in this paper. It is based on an exact solution of the Poisson equation and a Pao-Sah current formulation in terms of [...]

Benchmark Tests on Conventional Surface Potential Based Charge-Sheet Models And the Advanced PUNSIM Development

He J., Song Y., Niu X., Zhang G., Zhang X., Zhang G., Zhang X., Huang R., Chan M., Wang Y., Peking University, CN

This paper reports the benchmark test results of surface potential solution, inversion charge and channel current calculation, and short-channel effect model of various surface based charge-sheet models and our PUNSIM development to breakthrough the drawbacks [...]

Enlarge the distance of water molecules to incise microorganism cell-the development and application of nano-grade microorganism cell crushing machine

Hongwen Y., Suge G., Hebei University of Science and Technology, CN

We have developed a prototype nano-grade crushing machine that leads to improved yield. The machine utilizes ultrasound in connection with pressure as high as 3400 kg/cm2 to achieve final product with nanometer scale. We have [...]

Microstructure and Stability of Polymer Nanocomposite

Yin J., Wang X., Fan Y., Lin J., Lei Q., Harbin University of Science and Technology, CN

In this paper, the inorganic nanoparticles (SiO2, Al2O3) hybrid Polyimide (PI) films are prepared by Sol-Gel. The films are yellowish and transparent and the thicknesses are about 2050 m. The microstructure and nanoparticle distribution in [...]

A Simple Method to Prepare Template-removed Zeolite MFI Nanomaterials

Li Q., Wang J., Yuan H., Shanghai Second Polytechnic University, CN

A method of non-thermal, photochemical calcinations is described for an efficient and spatially controlled removal of the organic template in the preparation of zeolite MFI nanoparticles and thin films. High silica MFI nanoparticles and thin [...]

A new system of composites: MWNT-mullite

Wang J., Kou H.M., Xiang C.S., Pan Y.B., Guo J.K., Shanghai Institute of Ceramics, Chinese Academy of Sciences., CN

Carbon Nanotubes (CNTs) are attracting increasing interest as constituents of composite materials for a wide range of applications. MWNT (multi-walled CNT)-ceramics composites are in the beginning of research. The mechanical properties of MWNTs-SiO2 composites were [...]

Self-assembled Polymer Nanocylinders as Template for Nanoporous Metal Oxide Films

Dong O., Yao N., Yeung K.L., the Hong Kong University of Science and Technology, CN

A novel simple method to fabricate high-density and large-area polymer nanopillars on silicon wafer. This method is versatile and can be applied to pattern a wide variety of polymer thin film materials with various proprieties [...]