Yoshishige Suzuki, Hideyuki Kikuchi, Naoki Koshizuka,
Oscillation of the reflection high-energy electron diffraction (RHEED) intensity has been observed during the MBE growth process of Ag on Ag(100) single crystals. The oscillation of the specular beam intensity is observed in the growth temperature range from 200 K to 480 K, but not observed above 500 K. Temperature dependence of the RHEED intensity oscillation is discussed on the basis of the step flow and roughening transition, and it is shown that the roughening transition is more important in ...
Tópico(s): nanoparticles nucleation surface interactions
1988 - Institute of Physics | Japanese Journal of Applied Physics
Hirotaka Oshima, Hideyuki Kikuchi, Hiroshi Nakao, Ken‐ichi Itoh, Takuya Kamimura, Takeshi Morikawa, Koji Matsumoto, Takahiro Umada, Hiroaki Tamura, Kazuyuki Nishio, Hideki Masuda,
The authors have fabricated ideally ordered alumina nanohole patterned disk media via anodic oxidation and nanoimprint lithography with a thermoplastic resist. The ordered arrays of alumina nanoholes with 100nm pitch, filled with Co by electrodeposition, were created over a macroscopically large area on a hard-disk substrate using these industrially applicable nanofabrication technologies. Stable flight of a perpendicular magnetic head above the media and perpendicular magnetic anisotropy of the ...
Tópico(s): Block Copolymer Self-Assembly
2007 - American Institute of Physics | Applied Physics Letters
Jun‐ichi Nishizawa, Toru Kurabayashi, Piotr Płotka, Hideyuki Kikuchi, Tomoyuki Hamano,
Self-limiting growth of GaAs with doping by molecular layer epitaxy has been studied using the intermittent supply of triethyl-gallium (TEG), AsH3, and a dopant precursor, Te(CH3)2 (diethyl-tellurium: DETe) or Se(CH3)2 (diethyl-selenium: DESe) for n-type growth on GaAs(0 0 1). The self-limiting monolayer growth is applicable at the temperature of 265°C; however, the growth rate per cycle of doping decreased with increasing DETe pressure and saturated at about 0.4 monolayer with a saturation of the ...
Tópico(s): Advanced Semiconductor Detectors and Materials
2002 - Elsevier BV | Journal of Crystal Growth
Kazuhiko Kondo, Hideyuki Shigemori, Yumiko Kikuchi, Masami Ishibashi, Takuma Sasaki, Jun’ichi Kobayashi,
... sp.: plausible biogenetic precursors of manzamine alkaloidsKazuhiko Kondo, Hideyuki Shigemori, Yumiko Kikuchi, Masami Ishibashi, Takuma Sasaki, and Junichi KobayashiCite this: ...
Tópico(s): Chemical synthesis and alkaloids
1992 - American Chemical Society | The Journal of Organic Chemistry
Hideyuki Kikuchi, Kenji Asano,
We have succeeded in development of two type nano-composite enameled wires in 2000. One is the inverter surge resistant enameled wire using polyester-imide/silica nano-composite material prepared by original sol solution mixture method, and the other is the super heat resistant enameled wire using polyimide/silica nano-composite material made by sol-gel method.This report is mainly introduced in properties of the two type nano-composite products, and newly developed polyamide-imide/silica nano-composite ...
Tópico(s): Synthesis and properties of polymers
2006 - Institute of Electrical Engineers of Japan | IEEJ Transactions on Power and Energy
Hirotaka Oshima, Hideyuki Kikuchi, Hiroshi Nakao, Takeshi Morikawa, Koji Matsumoto, Kazuyuki Nishio, Hideki Masuda, Ken‐ichi Itoh,
Dynamic magnetic recording properties of Co-filled nanohole arrays were successfully investigated as perpendicular magnetic media via a flying giant-magnetoresistive head. By narrowing the Co nanopillar pitch, we observed suppression of the magnetic transition width and increase of the signal-to-noise ratio. The dynamic signals reflect magnetic field variation caused by the nanopillar arrangement on the tens of nanometers scale. These characteristics and the signal behavior suggest their possible ...
Tópico(s): Block Copolymer Self-Assembly
2005 - Institute of Physics | Japanese Journal of Applied Physics
Yoshifumi Amamoto, Moriya Kikuchi, Hideyuki Otsuka, Atsushi Takahara,
... Alkoxyamine Units in the Side ChainYoshifumi Amamoto†, Moriya Kikuchi‡, Hideyuki Otsuka*†‡, and Atsushi Takahara*†‡View Author Information† Graduate ...
Tópico(s): Block Copolymer Self-Assembly
2010 - American Chemical Society | Macromolecules
Hiroaki Kikuchi, Hideyuki Tokumitsu, Kazuhiko Seki,
... solid-state NMR and molecular dynamics computer experimentsHiroaki Kikuchi, Hideyuki Tokumitsu, and Kazuhiko SekiCite this: Macromolecules 1993, 26, ...
Tópico(s): Conducting polymers and applications
1993 - American Chemical Society | Macromolecules
Hirotaka Oshima, Hideyuki Kikuchi, Hiroshi Nakao, Takuya Kamimura, Takeshi Morikawa, Koji Matsumoto, Jianfeng Yuan, S. Ishio, Kazuyuki Nishio, Hideki Masuda, Ken‐ichi Itoh,
We present dynamic write/read characteristics of alumina nanohole patterned media having a soft magnetic underlayer (SUL), which offer good flyability of a perpendicular magnetic head with a flight height of 10 nm. Increase in the head-field gradient in the recording layer owing to the SUL was confirmed by measurements of signal-to-noise ratio and isolated magnetic transition width. The writability of the magnetic nanopillars was clearly demonstrated by visualization of the recorded patterns with ...
Tópico(s): Fluid Dynamics and Thin Films
2007 - IEEE Magnetics Society | IEEE Transactions on Magnetics
Nobuyuki Otsuka, Yutaka Oyama, Hideyuki Kikuchi, Jun-ichi Nishizawa, Ken Suto,
The intermittent injection of tertiarybutylphosphine (TBP), the injection and the evacuation of which are cyclically repeated, has been used for the selective-area etching of an InP (001) surface to study the surface adsorption/desorption mechanism in ultrahigh vacuum. Digital etching is achieved, as described by a modified Langmuir-type equation. It is assumed that TBP adheres to the surface within 0.1 s even at an injection pressure of 3×10 -5 Torr and prevents phosphorus dissociation during evacuation ...
Tópico(s): Photonic and Optical Devices
1998 - Institute of Physics | Japanese Journal of Applied Physics
Nobuyuki Otsuka, Jun-ichi Nishizawa, Hideyuki Kikuchi, Yutaka Oyama,
Alternate injections of triethylindium (TEI) and tertiarybutylphosphine (TBP) without precracking were used to realize self-limiting growth of an InP layer on a (001) InP substrate in ultrahigh vacuum. Self-limiting growth, in which the growth rate is independent of the injection time and the pressure of TEI and TBP, was achieved at a growth temperature as low as 320 °C. The growth rate of around 0.75 ML per cycle in self-limiting growth was assumed to be due to stable surface reconstruction of (2×4)- ...
Tópico(s): Spectroscopy and Laser Applications
1999 - American Institute of Physics | Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
Hideyuki Kikuchi, Hidehito Hanawa, Yuki Honda,
Abstract Nanocomposite materials based on polyamide‐imide have not been able to prevent nano‐particles from aggregating, and therefore the development of this material has been extremely difficult. However, we prevented aggregation of nano‐particles by developing the low‐hygroscopicity solvent and the copolyamide‐imide, and commercialized a new partial discharge‐resistant enameled wire with nanocomposite polyamide‐imide insulating material in 2010. The lifetime of the newly developed partial discharge‐ ...
Tópico(s): Thermal Analysis in Power Transmission
2013 - Wiley | Electronics and Communications in Japan
Nobuyuki Otsuka, Jun-ichi Nishizawa, Hideyuki Kikuchi, Yutaka Oyama,
Abstract The alternate injection of trimethylindium (TMI) and tertiarybutylphosphine (TBP) without precracking was studied to expand the self-limiting growth conditions of an InP layer on a (0 0 1)InP substrate in ultrahigh vacuum. Self-limiting growth, in which the growth rate is independent of the injection time and the injection pressure of TMI and TBP, was achieved at a growth temperature as low as 310°C. The range of growth conditions for self-limiting growth using TMI was expanded two-fold compared ...
Tópico(s): Strong Light-Matter Interactions
1999 - Elsevier BV | Journal of Crystal Growth
Keiji Kobayashi, Hideyuki Tukada, Kôichi Kikuchi, Isao Ikemoto,
Abstract The hindered rotation about the C–N bond in dimethyldiselenocarbamates Me2N–CSe–SeR has been investigated by variable temperature NMR spectroscopy. The barrier to the rotation was almost independent of the partial structure of R (R=–Me, –CSe–NMe2), being 19 kcal mol−1* at around 93 °C. However, for bis(dimethylselenocarbamoyl) triselenide (R=–Se–Se–CSe–NMe2) (1), no splitting of N-methyl signals was observed in the 1H and 13C NMR spectra at subambient temperature. The equivalence of the methyl ...
Tópico(s): Molecular spectroscopy and chirality
1986 - Oxford University Press | Bulletin of the Chemical Society of Japan
Jun Takada, Yuusuke Ohizumi, Hiroshi Miyamura, Hideyuki Kuwahara, Shiomi Kikuchi, Imao Tamura,
Tópico(s): Copper Interconnects and Reliability
1986 - Springer Science+Business Media | Journal of Materials Science
Yoshio Nikawa, Hideyuki Watanabe, Masanori Kikuchi, Seiji Mori,
A direct-contact lens applicator for local microwave hyperthermia is proposed and developed with a computer-controlled microwave heating system. The applicator is a practical one that can converge the radiated electromagnetic field to deposit its energy deep in human tissues. The experimental results, which agree well with the theoretical ones, show that the applicator which operated at 2450 MHz could heat at twice the depth at which a simple and conventional waveguide applicator could heat. The ...
Tópico(s): Photoacoustic and Ultrasonic Imaging
1986 - IEEE Microwave Theory and Techniques Society | IEEE Transactions on Microwave Theory and Techniques
Hideyuki Doi, Eisuke Kikuchi, Shuichi Shikano, Shigeto Takagi,
Tópico(s): Geology and Paleoclimatology Research
2009 - Springer Science+Business Media | Limnology
E. J. Lee, K. Yoshizawa, Hideyuki Mannen, Hisae Kikuchi, Tataki Kikuchi, Makoto Mizutani, S. Tsuji,
A chicken linkage map, constructed with the Kobe University (KU) resource family, was used to locate the genetic locus for muscular dystrophy of abnormal muscle type ( AM ). The KU resource family is a backcross pedigree with 55 offspring produced from the mating of a White Leghorn F‐line (WL‐F) male and a hybrid female produced from a cross between the WL‐F male and a female of the Fayoumi OPN line who was homozygous for the AM gene. In total, 872 loci were genotyped on the pedigree; 749 (86%) were informative ...
Tópico(s): Animal Genetics and Reproduction
2002 - Wiley | Animal Genetics
K. Yoshizawa, Kyoko Inaba, Hideyuki Mannen, Tateki Kikuchi, Makoto Mizutani, Soichi TSUJI,
Despite intensive studies of muscular dystrophy of chicken, the responsible gene has not yet been identified. Our recent studies mapped the genetic locus for abnormal muscle (AM) of chicken with muscular dystrophy to chromosome 2q using the Kobe University (KU) resource family, and revealed the chromosome region where the AM gene is located has conserved synteny to human chromosome 8q11-24.3, where the beta-1 syntrophin (SNTB1), syndecan 2 (SDC2) and Gem GTPase (GEM) genes are located. It is reasonable ...
Tópico(s): RNA regulation and disease
2003 - | EXPERIMENTAL ANIMALS
Hideyuki Doi, E Kikuchi, SEIICHI HINO, T. Itoh, S. Takagi, S Shikano,
AME Aquatic Microbial Ecology Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials AME 33:87-94 (2003) - doi:10.3354/ame033087 Seasonal dynamics of carbon stable isotope ratios of particulate organic matter and benthic diatoms in strongly acidic Lake Katanuma Hideyuki Doi1,*, Eisuke Kikuchi2, Shuji Hino3, Takeru Itoh3, Shigeto Takagi1, Shuichi Shikano2 1Graduate School of Life Sciences, Tohoku University, ...
Tópico(s): Geology and Paleoclimatology Research
2003 - Inter-Research Science Center | Aquatic Microbial Ecology
Hideyuki Sato, Daisuke Kikuchi, Kenya Tanaka, Makoto Ueda, Hidekazu Aoki, Tsuyoshi Ikeno, Sho Tatsuoka, Keitaro Kuwahara, Yuji Aoki, M. Kohgi, Hitoshi Sugawara, Kazuaki Iwasa, Hisatomo Harima,
Full varieties of strongly correlated electron phenomena have been found in the filled skutterudite systems, by changing the constituent elements. The unique crystal structure leads to novel features even in the systems containing rare earth elements with plural number of 4 f -electrons. According to the intensive competitions and cooperation among experimental and theoretical research works, remarkable progress has been made in sorting out several basic origins that bring about the variety of this ...
Tópico(s): Physics of Superconductivity and Magnetism
2008 - Physical Society of Japan | Journal of the Physical Society of Japan
Katsumi Fumoto, Lee C, Hideyuki Saya, Akira Kikuchi,
Tópico(s): Epigenetics and DNA Methylation
2008 - Springer Nature | Oncogene
Hideyuki Hatakeyama, Akihiko Kikuchi, Masayuki Yamato, Teruo Okano,
In the present study, we report advanced patterned biofunctionalization of thermoresponsive surfaces for achievement of spatiotemporally controlled cell adhesion, growth, and thermally induced detachment. These patterned biofunctional thermoresponsive surfaces were prepared using dual surface modification techniques: electron beam-induced surface patterning of carboxyl-functional thermoresponsive polymers with appropriate metal masks and following site-selective biofunctionalization with biomolecules, ...
Tópico(s): Cellular Mechanics and Interactions
2007 - Elsevier BV | Biomaterials
Hideyuki Doi, Eisuke Kikuchi, Shigeto Takagi, Shuichi Shikano,
Abstract We conducted experiments to determine isotope changes in the deposit‐feeding chironomid larvae Chironomus acerbiphilus during feeding, starvation and metamorphosis. Isotope changes in chironomid larvae occurred mainly during growth and rarely afterward. This finding indicates that chironomid isotope turnover mainly occurs in conjunction with growth and suggests that chironomid larvae only break down newly assimilated food for energy during periods of no growth. Chironomid δ 13 C values ...
Tópico(s): Marine and coastal ecosystems
2007 - Wiley | Rapid Communications in Mass Spectrometry
Seiji Shiotani, Tomoya Kobayashi, Hideyuki Hayakawa, Kazunori Kikuchi, Mototsugu Kohno,
Postmortem CT (PMCT) findings may change with the passage of time after death. The aim of this study was to investigate time-dependent PMCT findings of the lung in order to aid the interpretation of postmortem images obtained at various times. Our subjects were three non-traumatically deceased male subjects (25, 44, and 76 years old) who underwent whole body PMCT scan at two time points: one immediately after death and the other several hours after death but before the autopsy. The causes of death ...
Tópico(s): Forensic Entomology and Diptera Studies
2011 - Elsevier BV | Legal Medicine
Hideyuki Sato, Daisuke Kikuchi, Kiyohisa Tanaka, Hidekazu Aoki, K. Kuwahara, Yuji Aoki, M. Kohgi, Hitoshi Sugawara, Kazuaki Iwasa,
Tópico(s): Advanced Condensed Matter Physics
2006 - Elsevier BV | Journal of Magnetism and Magnetic Materials
Hideyuki Hatakeyama, Akihiko Kikuchi, Masayuki Yamato, Teruo Okano,
Bio-functionalized thermoresponsive culture interfaces co-immobilized with cell adhesive peptide, RGDS, and cell growth factor, insulin (INS), are investigated to promote initial cell adhesion and cell growth for further cell sheet engineering applications. These bio-functionalized interfaces were prepared by electron beam-induced copolymerization of N-isopropylacrylamide (IPAAm) with its carboxyl-derivatized analog, 2-carboxyisopropylacrylamide (CIPAAm), and grafting onto tissue culture polystyrene ...
Tópico(s): Ocular Surface and Contact Lens
2006 - Elsevier BV | Biomaterials
Hideki Yamamoto, Hideyuki Komekado, Akira Kikuchi,
Tópico(s): Signaling Pathways in Disease
2006 - Elsevier BV | Developmental Cell
Takahisa Okuda, Seiji Shiotani, Hideyuki Hayakawa, Kazunori Kikuchi, Tomoya Kobayashi, Youkichi Ohno,
We present a case of fatal cervical discoligamentous hyperextension injury without fracture. Postmortem computed tomography (PMCT) and postmortem magnetic resonance imaging (PMMRI) disclosed cervical instability and spinal cord injury in the absence of fracture, which was confirmed by autopsy. Cervical discoligamentous injury without fracture may be unnoticeable on PMCT because signs of cervical misalignment change depending on the posture of the neck at the time of postmortem imaging. Because of ...
Tópico(s): Restraint-Related Deaths
2012 - Elsevier BV | Forensic Science International
Hideyuki Hatakeyama, Akihiko Kikuchi, Masayuki Yamato, Teruo Okano,
Temperature-responsive culture dishes immobilized with insulin have been fabricated and studied to shorten cell culture periods by facilitating more rapid cell proliferation. Cells are recovered as contiguous cell sheets simply by temperature changes. Functionalized culture dishes were prepared by previously reported electron beam grafting copolymerization of N-isopropylacrylamide (IPAAm) with its carboxylate-derivatized analog, 2-carboxyisopropylacrylamide (CIPAAm), having similar molecular structure ...
Tópico(s): Hydrogels: synthesis, properties, applications
2005 - Elsevier BV | Biomaterials