Search Results - "Takahagi, Takayuki"

Surface oxidation process of a diamond-like carbon film analyzed by difference X-ray photoelectron spectroscopy by Takabayashi, Susumu, Takahagi, Takayuki

“…Difference X‐ray photoelectron spectroscopy (D‐XPS) revealed the surface oxidation process of a diamond‐like carbon (DLC) film. Evaluation of surface…”
Get full text

Structural heterogeneity and stress distribution in carbon fiber monofilament as revealed by synchrotron micro-beam X-ray scattering and micro-Raman spectral measurements by Kobayashi, Takayuki, Sumiya, Kazunori, Fukuba, Yoshinori, Fujie, Masaki, Takahagi, Takayuki, Tashiro, Kohji

“…The Raman band shift has been measured under tension for carbon fiber (CF) monofilaments of different structural heterogeneity as characterized by a…”
Get full text

Stress concentration in carbon fiber revealed by the quantitative analysis of X-ray crystallite modulus and Raman peak shift evaluated for the variously-treated monofilaments under constant tensile forces by Kobayashi, Takayuki, Sumiya, Kazunori, Fujii, Yasuyuki, Fujie, Masaki, Takahagi, Takayuki, Tashiro, Kohji

“…The stress distribution at the various parts of PAN-based carbon fiber (CF) monofilament has been estimated using a complex mechanical model on the basis of…”
Get full text

Stress-induced microstructural changes and crystallite modulus of carbon fiber as measured by X-ray scattering by Kobayashi, Takayuki, Sumiya, Kazunori, Fujii, Yasuyuki, Fujie, Masaki, Takahagi, Takayuki, Tashiro, Kohji

“…Apparent crystallite modulus ( E c app ) has been evaluated under the assumption of homogeneous stress distribution for carbon fiber (CF) bundles of different…”
Get full text

Study of Adsorption Behavior of Disulfide on the Surface of Au Nanoparticle by X-ray Photoelectron Spectroscopy by Suzuki, Shuichi, Sakaue, Hiroyuki, Suzuki, Hitoshi, Takahagi, Takayuki

“…The surface of Au nanoparticles (NPs) modified with nitrilotriacetic acid (NTA), which is used for site-specific labeling in protein structural analysis, was…”
Get full text

Flipping Behavior of a Porphyrin Derivative Molecule on a Au(111) Reconstructed Surface by Suzuki, Hitoshi, Yoshida, Hirofumi, Sakaue, Hiroyuki, Takahagi, Takayuki, Tanaka, Shukichi, Kamikado, Toshiya, Otomo, Akira

“…Porphyrin derivative molecules (MP-tBPP) on a Au(111) reconstructed surface have been investigated using scanning tunneling microscopy. The molecules were…”
Get full text

Ordered two-dimensional nanowire array formation using self-organized nanoholes of anodically oxidized aluminum by SHINGUBARA, S, OKINO, O, SAYAMA, Y, SAKAUE, H, TAKAHAGI, T

“…Self-organization of a two-dimensional array of nanoholes which were formed by anodic oxidation of aluminum was investigated quantitatively using fast Fourier…”
Get full text

Effects of the Surface Pressure on the Formation of Langmuir−Blodgett Monolayer of Nanoparticles by Huang, Shujuan, Minami, Kazuyuki, Sakaue, Hiroyuki, Shingubara, Shoso, Takahagi, Takayuki

“…The effects of the surface pressure on the particle arrangement of Langmuir−Blodgett (LB) monolayers of alkanethiol-capped gold nanoparticles were studied. The…”
Get full text

Surface Analysis of Carbon–Hydrogen Bonds in Diamondlike Carbon Films by X-ray Photoelectron Spectroscopy by Takabayashi, Susumu, Okamoto, Keishi, Nakatani, Tatsuyuki, Sakaue, Hiroyuki, Takahagi, Takayuki

Get full text

X-ray photoelectron analysis of surface functional groups on diamond-like carbon films by gas-phase chemical derivatization method by Takabayashi, Susumu, Okamoto, Keishi, Motoyama, Hiroaki, Nakatani, Tatsuyuki, Sakaue, Hiroyuki, Takahagi, Takayuki

“…Oxygen‐related surface functional groups on diamond‐like carbon (DLC) films were derivatized with fluorine‐ and nitrogen‐related groups by the gas‐phase…”
Get full text

Formation of aluminum nanodot array by combination of nanoindentation and anodic oxidation of aluminum by Shingubara, Shoso, Murakami, Yusuhiko, Morimoto, Kazunori, Takahagi, Takayuki

“…Porous alumina films formed by aluminum anodic oxidation have been intensively studied to use them as molds to form nanowires or dots. Recently we established…”
Get full text

Adsorbed Water on a Silicon Wafer Surface Exposed to Atmosphere by Takayuki Takahagi, Takayuki Takahagi, Hiroyuki Sakaue, Hiroyuki Sakaue, Shoso Shingubara, Shoso Shingubara

“…Adsorbed water on a silicon wafer surface exposed to atmosphere was investigated mainly by attenuated total reflection using Fourier-transform infrared…”
Get full text

Well-size-controlled Colloidal Gold Nanoparticles Dispersed in Organic Solvents by Gen Tsutsui, Gen Tsutsui, Shujuan Huang, Shujuan Huang, Hiroyuki Sakaue, Hiroyuki Sakaue, Shoso Shingubara, Shoso Shingubara, Takayuki Takahagi, Takayuki Takahagi

“…The preparation of well-size-controlled colloidal gold nanoparticles in organic solvent is presented. After the preparation of well-size-controlled aqueous…”
Get full text

Atomic-scale defect control on hydrogen-terminated silicon surface at wafer scale by Sakaue, Hiroyuki, Fujiwara, Shinya, Shingubara, Shoso, Takahagi, Takayuki

“…We have developed a wet preparation method for an atomically defect-free Si wafer surface. In the conventional atomically smooth treatment using ammonium…”
Get full text

Low dielectric constant porous diamond films formed by diamond nanoparticles by Sakaue, Hiroyuki, Yoshimura, Noriyoshi, Shingubara, Shoso, Takahagi, Takayuki

“…The reduction of the dielectric constant of interlayer insulating films in ultra large scale integrated circuits is an important factor in improving…”
Get full text

Wet treatment for preparing atomically smooth Si(1 0 0) wafer surface by Sakaue, Hiroyuki, Taniguchi, Yutaka, Okamura, Yosuke, Shingubara, Shoso, Takahagi, Takayuki

“…A new wet treatment was used to prepare a Si(1 0 0) wafer surface and its surface morphology, atomic arrangement, and chemical structure over a large area were…”
Get full text

Immobilization of Gold Nanoparticles on Silanized Substrate for Sensors Based on Localized Surface Plasmon Resonance by Taue, Shuji, Nishida, Koji, Sakaue, Hiroyuki, Takahagi, Takayuki

“…We propose a detailed method of preparing immobilized gold nanoparticles on a substrate for application to dielectric sensors. We show the relationship between…”
Get full text

Study of a Dielectric Constant Due to Electronic Polarization Using a Semiempirical Molecular Orbital Method I by Yamada, Kotaro, Saiki, Atsushi, Sakaue, Hiroyuki, Shingubara, Shoso, Takayuki Takahagi, Takayuki Takahagi

“…We studied a method for estimating a dielectric constant due to electronic polarization ε (e) using a semiempirical molecular orbital method. Using…”
Get full text

Self-Organization of a Two-Dimensional Array of Gold Nanodots Encapsulated by Alkanethiol by Shujuan Huang, Shujuan Huang, Hiroyuki Sakaue, Hiroyuki Sakaue, Shoso Shingubara, Shoso Shingubara, Takayuki Takahagi, Takayuki Takahagi

“…We have studied a fabrication strategy for self-organization of a two-dimensional array of alkanethiol-encapsulated gold nanodots. The fabrication process has…”
Get full text

Surface oxidation process of a diamond-like carbon film analyzed by difference X-ray photoelectron spectroscopy: Surface oxidation process of a DLC film analyzed by D-XPS by Takabayashi, Susumu, Takahagi, Takayuki

Get full text