JP – Page 17 – TechConnect Briefs

A Theoretical Study on Chemical Reaction of Water Molecules under Laser Irradiation: Ultra Accelerated Quantum Chemical Molecular Dynamics Approach

Endou A., Nomura A., Sasaki Y., Chiba K., Hata H., Hatakeyama N., Okushi K., Suzuki A., Koyama M., Tsuboi H., Hatakeyama N., Takaba H., Kubo M., Del Carpio C.A., Kitada M., Kabashima H., Miyamoto A., Tohoku University, JP

Recently, we succeeded in realizing ultra acceleration of our tight-binding quantum chemical molecular dynamics (TB-QCMD) simulator, New-Colors, which is more than 10,000,000 times faster the traditional first-principles molecular dynamics (FPMD) method. Our novel simulator enables [...]

Computations on (Li)x@C60

Slanina Z., Nagase S., Institute for Molecular Science, JP

Li@C60 and Li@C70 can be now produced by the low-energy bombardment method in bulk amounts and thus, their computations at higher levels of theory are also of interest. In the report, the computations are carried [...]

DNA Mechanical Properties: Formulation and comparison with experiments

Dalir H., Nisisako T., Yanagida Y., Hatsuzawa T., Tokyo Institute of Technology, JP

The DNA molecule is the primary genetic material of most organisms. It is a double-helical biopolymer in which two chains of complementary wind around a common axis to form a double-helical structure. This paper aims [...]

Modeling and Simulation of New Structures for Sub-millimeter Solid-state Accelerometers with Piezoresistive Sensing Elements

Amarasinghe R., Dao D.V., Sugiyama S., Ritsumeikan University, JP

This paper presents design, fabrication and characterization of miniaturized one-axis single crystal solid-state accelerometers with Nanometer Stress Concentration Region (NSCR) on piezoresistive sensing elements utilizing MEMS bulk micromachining techniques and design, simulation of new sub-millimeter [...]

Simulation of Field-Plate Effects on Lag and Current Collapse in GaN-based FETs

Itagaki K., Nakajima A., Horio K., Shibaura Institute of Technology, JP

Two-dimensional transient analyses of field-plate GaN MESFETs and AlGaN/GaN HEMTs with a semi-insulating buffer layer have been performed in which a deep donor and a deep acceptor are considered in the buffer layer. Quasi-pulsed I-V [...]

Non traditional dicing of MEMS devices

Sullivan S., Yoshikawa T., DISCO Corp., JP

Dicing of MEMS contains a host of challenges. Contamination, vibration, thermal, and electrical sensitivity dictate modified or non traditional dicing processes. Focusing a laser beam inside of the silicon substrate creating a modified layer is [...]

Micro-Tip Assembled Metal Cantilevers with Bi-Directional Controlability

Kwon H., Nakada M., Hirabayashi Y., Higo A., Ataka M., Fujita H., Toshiyoshi H., KAST, JP

High density data storage systems utilizing the atomic force microscopy have been developed for a next-generation storage technology. We have reported new fabrication methods of micro tips with contact shadow mask process formed on a [...]

Limitations of DNA High-frequency Anchoring and Stretching

Dalir H., Nisisako T., Endo T., Yanagida Y., Hatsuzawa T., Tokyo Institute of Technology, JP

The manipulation of molecules is a crucial prerequisite for the emerging field of molecular nanobiotechnology. This paper reports measurements that characterize the immobilization of 48 kilobase-pair lambda DNA onto lifted-off microelectrodes by high-voltage and high-frequency [...]

Characterization of new type polymer composites prepared by in situ coffining electrospun fibers into polymer matrixes

Tsutsumi H., Hara C., Yamaguchi University, JP

A number of methods are available for preparing a fiber reinforced polymer composite from two or more polymer matrixes and fibers. Many difficulties (for example, increasing viscosity of processing fluid, homogeneity of fibers in the [...]

Bridge a Gap between Nanotechnology R&D, Business and Public

Sekiy M., An S., Ishizu S., National Institute of Advanced Industrial Science and Technology (AIST), JP

I outline a new research project “Research on use of information and communication for facilitating public acceptance”. This project is one of the research components in a new research program “Developing knowledge-based platform to support [...]