18 Result(s)

Article

Formation dynamics of SiO₂ nanoparticles produced by laser ablation in ambient gases

Pulsed laser deposition (PLD) is a commonly used technique for fabricating thin films. Additionally, it can produce oxide material nanocrystals and nanoporous films by controlling gas pressure during the depos...

R. Koike, R. Suzuki, K. Katayama, M. Higashihata, H. Ikenoue… in Applied Physics A (2022)

Article

⁵⁹Co NMR at Pulsed High Magnetic Fields

We report the ⁵⁹Co-NMR observation by spin-echo method at pulsed high magnetic fields up to 48 T. The 22 mm bore-resistive coil magnet with an inductance of 7.59 mH has a total time duration of 50 ms. After disch...

Guo-Qing Zheng, K. Katayama, M. Kandatsu… in Journal of Low Temperature Physics (2010)

Article

Formation of a ripple pattern at a water/silicon interface using an oscillating bubble

A single femtosecond laser pulse was irradiated at a water/silicon interface, and the processed surface was investigated. Rings surrounded by ripples were found within the irradiated spot. The diameter of the ...

H. Yonekubo, K. Katayama, T. Sawada in Applied Physics A (2005)

Article

Magneto-photoluminescence of novel magnetic semiconductor Zn_1-xCr_xO grown by PLD method

The magneto-photoluminescence (PL) of novel magnetic semiconductor Zn_1-xCr_xO (ZCO) grown by the pulsed laser deposition (PLD) method was investigated. An ArF excimer laser and Cr₂O₃-mixed ZnO ceramic bulk targets...

I. Satoh, T. Kobayashi, K. Katayama, T. Okada, T. Itoh in Applied Physics A (2004)

Article

Processing and properties of transparent super-hydrophobic polymer film with low surface electric resistance

Super-hydrophobic films with low electric resistance were prepared by coating the liquid containing both fluoro-acrylic resin and colloidal silica on an ITO-coated polymer film with the suitable repetition of ...

M. Sasaki, N. Kieda, K. Katayama, K. Takeda, A. Nakajima in Journal of Materials Science (2004)

Article

Fabrication of sintered compacts of spherical mesoporous silica

H. Saito, M. Higuchi, K. Katayama, Y. Azuma in Journal of Materials Science Letters (2003)

Article

Gas permeation through a porous alumina filled with mesoporous silica

H. Saito, M. Higuchi, K. Katayama, Y. Azuma in Journal of Materials Science Letters (2003)

Article

A novel method for the preparation of silica films

H. Saito, M. Higuchi, K. Katayama, Y. Azuma in Journal of Materials Science Letters (2002)

Article

Preparation of transparent super-hydrophobic polymer film with brightness enhancement property

K. Takeda, M. Sasaki, N. Kieda, K. Katayama… in Journal of Materials Science Letters (2001)

Article

Deposition of Crack-Free BaTiO₃ and Pb(Zr,Ti)O₃ Films Over 1 μm Thick Via Single-Step Dip-Coating

BaTiO₃ and PZT films were prepared by single-step dip-coating from alkoxide-acetate solutions containing polyvinylpyrrolidone (PVP). Crack-free BaTiO₃ and PZT films over 1 μm in thickness were obtained via single...

H. Kozuka, M. Kajimura, K. Katayama, Y. Isota, T. Hirano in MRS Online Proceedings Library (2000)

Article

Real-Time Spectroscopic Ellipsometry Study of the Thermal Cleaning Process for Silicon Epitaxial Growth by UHV-CVD

Real-time spectroscopic ellipsometry (RTSE) method was applied to study thermal cleaning process of silicon surfaces for epitaxial growth by ultra-high vacuum chemical vapor deposition (UHV-CVD). For the first...

K. Nozawa, K. Katayama, Y. Kanzawa, Q. Sugahara… in MRS Online Proceedings Library (1999)

Article

Noncontact Characterization for Ultraviolet Light Irradiation Effect on Si-SiO₂ Interface

The effect of ultraviolet (UV) irradiation on the minoritycarrier surface recombination lifetime (τ_s) in silicon wafers with native or thermal oxide was studied with a noncontact laser/microwave photoconductance ...

K. Katayama, F. Shimura in MRS Online Proceedings Library (1992)

Article

Sintering of yttrias with addition of divalent metal oxide and water vapour pressure dependence of their electrical conductivity

The sinterability of divalent metal oxide (MO)-doped yttrias and their electrical conductivity have been studied. The density measurement and SEM observation revealed that the addition of a small amount of MO ...

K. Katayama, H. Õsawa, T. Akiba, K. Urabe, H. Yanagida in Journal of Materials Science (1990)

Article

Some aspects of do** mechanism in Polyschwefelnitrid (SN)x

(SN)x crystals doped with iodine atoms showed ten or more additional diffuse streaks perpendicular to the b^*-axis, appearing between the layer lines of the electron diffraction pattern of pristine (SN)x. However,...

A. Kawaguchi, S. Isoda, J. Petermann, K. Katayama in Colloid and Polymer Science (1985)

Article

Thickening process of polyethylene single crystals at an early stage of annealing

The thickening process of polyethylene single crystals was simulated with computer by the Monte Carlo method. According to the experimental results in the previous report, the time dependence of the long perio...

T. Ichida, M. Tsuji, S. Murakami, A. Kawaguchi, K. Katayama in Colloid and Polymer Science (1985)

Article

Thickening process of polyethylene single crystals at an early stage of annealing

By the use of a position sensitive proportional counter, changes in small and wide angle X-ray scattering during annealing of polyethylene single crystal mats were measured from the start in successive spans o...

A. Kawaguchi, T. Ichida, S. Murakami, K. Katayama in Colloid and Polymer Science (1984)

Article

High resolution electron microscopy of (SN)_x

Pristine and iodinated (SN)_x were studied by high resolution electron microscopy. High resolution electron micrographs showing lattice fringes up to 0.22 nm were obtained. In these electron micrographs, the textu...

A. Kawaguchi, S. Isoda, J. Petermannn, K. Katayama in Colloid and Polymer Science (1984)

Article

Eine neue Probe auf Kohlenoxydhämoglobin

K. Katayama in Zeitschrift für analytische Chemie (1889)