CN – Page 22 – TechConnect Briefs

Direct hydrothermal synthesis of LiMn2O4 spinel and lithium ion selective adsorption

Zhang Q-H, Sun S-Y, Li S-P, Yin X-S, Yu J-G, East China University of Science and Technology, CN

Spinel LiMn2O4, in which the [Mn2O4] framework provides a three-dimensional interstitial space for Li+ transportation, shows excellent Li+ insertion and extrusion property from the Mn-O lattice. The lithium ion-sieve effect strongly depends on the crystal [...]

Lithium selective adsorption on low-dimensional TiO2 nanoribbons

Zhang Q-H, Li S-P, Sun S-Y, Yin X-S, Yu J-G, East China University of Science and Technology, CN

Low-dimensional TiO2-related nanomaterial with high morphology specificity, including nano-tube, -wire, -sheet, -fiber and -ribbon, had attracted particular interest in advanced applications as catalyst, solar-energy conversion semiconductor, gas sensor and electrochemical material, as it was discovered [...]

A Portable Raman Sensor for the Rapid Identification of the Olive Oil

Qi X., Zhang X., Zou M., Chen Y., Ye J., Chinese Academy of Inspection and Quarantine, CN

The adulteration of the olive oil with lower-priced oils and its distinction of different classifications are serious problems in the olive oil market, a fast on-site screening method is needed to be developed. In addition [...]

The Bipolar Field-Effect Transistor Theory (A. Summary of Recent Progresses)

Jie B.B., Sah C-T, Peking University, CN

Field effect transistor (FET) was conceived 80 years ago in Lilienfeld ‘s 1926 1932 patents [1]. Shockley 1952 [2] invented the volume channel FET 55 years ago using two opposing p/n junctions as gates on [...]

Surface Potential versus Voltage Equation from Accumulation to Strong Region for Undoped Symmetric Double-Gate MOSFETs and Its Continuous Solution

He J., Chen Y., Li B., Wei Y., Chan M., Peking University, CN

Surface potential is one key variable in DG MOSFET compact modeling. A complete surface potential versus voltage equation and its continuous solution from the accumulation to strong inversion region are presented in this paper for [...]

A Complete Analytic Surface Potential-Based Core Model for Undoped Cylindrical Surrounding-Gate MOSFETs

He J., Zhang J., Zhang L., Zhang J., Zhang L., Ma C., Chan M., Peking University, CN

An analytic surface potential-based non-charge-sheet core model for cylindrical undoped surrounding-gate (SRG) MOSFETs is presented in this brief. Starting from the exact surface potential solution of the Poisson’s equation in the cylindric surrounding-gate (SRG) MOSFETs, [...]

Diode Parameter Extraction by a Linear Cofactor Difference Operation Method

Ma C., Li B., Liu F., Chen Y., Zhang L., Zhang X., Liu F., Feng J., He J., Zhang L., Zhang X., Peking University, CN

The direct extraction of the key static parameters of a general diode by the new method named Linear Cofactor Difference Operator (LCDO) method has been carried out in this paper. From the developed LCDO method, [...]

A Continuous yet Explicit Carrier-Based Core Model for the Long Channel Undoped Surrounding-Gate MOSFETs

Zhang J., Zhang L., He J., Liu F., Zhang J., Zhang L., Feng J., Ma C., Peking University, CN

An explicit carrier-based core model for the long channel undoped surrounding-gate MOSFETs is presented in the paper An analytic approximation solution to the carrier concentration is developed from a simplified Taylor expansion of the exact [...]

Study on fluorescent detection glucose molecule marked with ZnSe nano crystalline in microchannels

Bai Z-C, Qin S-J, Guizhou University, CN

Single molecule detection has been a hot point problem of science and research, classic dye fluorescent marking technology has a many defects, for example fluorescent power low, fluorescent instability , and so on. Fluorescent quantum [...]

Numerical Analysis on Si-Ge Nanowire MOSFETs with Core-Shell Structure

Fu Y., He J., Liu F., Zhang L., Feng J., Ma C., Peking University, CN

This paper investigates the transport properties of the silicon/Germanium nanowire MOSFETs with core-shell structure by a numerical method. Coupling Poisson’s equation to Schrödinger’s equation for electrostatics calculation, and electron structure to current transport equation for [...]