Search Results - "Ueki, Ryuichi"
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Low-Temperature Properties of the Magnetic Sensor with Amorphous Wire
Published in Sensors (Basel, Switzerland) (07-12-2020)“…We found that a magnetic sensor made of a coil wound around a 5 f0.1 mm (Fe Co ) Si B (FeCoSiB) amorphous wire could operate in a wide temperature range from…”
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Study on Magneto-Resistance Sensors for Low Magnetic Field Measurements
Published in IEEE transactions on applied superconductivity (01-06-2020)“…High-Q operation of a superconducting radio frequency cavity can reduce power loss at the surface and is desirable for continuous-wave operation. To realize…”
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3
Observation of quenching-induced magnetic flux trapping using a magnetic field and temperature mapping system
Published in Physical review. Accelerators and beams (01-08-2022)“…Highly efficient superconducting radio-frequency cavities exhibit low heat loss and are used as components in accelerators and superconducting devices due to…”
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Excitation and Magnetic Field Performances of a Prototype REBCO Sextupole Coil at 4.2 K
Published in IEEE transactions on applied superconductivity (01-06-2020)“…A prototype REBa2Cu3Oy (REBCO) sextupole coil was designed and fabricated for the chromaticity correction of an asymmetric-energy collider, named SuperKEKB…”
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5
Collimator challenges at SuperKEKB and their countermeasures using nonlinear collimator
Published in Physical review. Accelerators and beams (14-08-2024)“…In SuperKEKB, movable collimators reduce the beam background noise in the Belle II particle detector and protect crucial machine components, such as final…”
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6
Fabrication of Large-Area Graphene Using Liquid Gallium and Its Electrical Properties
Published in Japanese Journal of Applied Physics (01-06-2010)“…We demonstrated a new process for synthesizing a graphene sheet at the interface between solid amorphous carbon and liquid gallium. The insolubility of carbon…”
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7
Characteristics of graphene FET directly transformed from a resist pattern through interfacial graphitization of liquid gallium
Published in Microelectronic engineering (01-08-2011)“…We found that an extremely thin resist pattern on silicon dioxide can be directly transformed into a graphene field effect transistor (FET) channel via…”
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Journal Article Conference Proceeding -
8
In-situ Observation of Surface Graphitization of Gallium Droplet and Concentration of Carbon in Liquid Gallium
Published in Japanese Journal of Applied Physics (01-06-2012)“…Although carbon has been recognized to be insoluble in gallium, we found that the outermost surface of gallium has unexpectedly high carbon solubility,…”
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Artificial tailoring of carbon nanotube and its electrical properties under high-resolution transmission electron microscope
Published in Microelectronic engineering (01-08-2011)“…We report the details of an electron-beam-induced crystallization process of amorphous carbon. A high-resolution transmission electron microscope having a…”
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10
In-situ Observation of Current-Pulse-Induced Curling of Graphene Edges and Carbon-Cages Production
Published in Japanese Journal of Applied Physics (01-06-2012)“…We found a new cage transformation process where Joule heating with a cyclic current pulse strongly triggered the curling of graphene edge, and enhanced the…”
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11
Generation and repair of defect for carbon nanotube under tensile stress by low acceleration electron beam irradiation
Published in Microelectronic engineering (01-08-2011)“…[Display omitted] We report our new findings that a uniaxial tensile stress strongly enhanced the shrinking of a carbon nanotube under low-energy electron…”
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Journal Article Conference Proceeding -
12
Elastic Double Structure of Amorphous Carbon Pillar Grown by Focused-Ion-Beam Chemical Vapor Deposition
Published in Japanese Journal of Applied Physics (01-09-2007)Get full text
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13
Residual Magnetic Field Inside the Superconducting RF Cavity Shield
Published in IEEE transactions on applied superconductivity (01-06-2016)“…Magnetic shielding is used to reduce ambient magnetic field surrounding superconducting RF cavities in order to decrease surface resistance and achieve high…”
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14
Single-Crystalline Nanogap Electrodes: Enhancing the Nanowire-Breakdown Process with a Gaseous Environment
Published in ACS applied materials & interfaces (24-10-2012)“…A method for fabricating single-crystalline nanogaps on Si substrates was developed. Polycrystalline Pt nanowires on Si substrates were broken down by current…”
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15
SCANNING ELECTRON MICROSCOPE IMAGING OF AMYLOID FIBRILS
Published in American journal of biochemistry and biotechnology (01-03-2014)“…This study demonstrated the applicability of Scanning Electron Microscopy (SEM) for the observation of an amyloid fibrils without staining. As model specimens,…”
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16
In-situ Observation of Current-Pulse-Induced Curling of Graphene Edges and Carbon-Cages Production
Published in Japanese Journal of Applied Physics (01-06-2012)Get full text
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17
In-situ Observation of Surface Graphitization of Gallium Droplet and Concentration of Carbon in Liquid Gallium
Published in Japanese Journal of Applied Physics (01-06-2012)Get full text
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18
Enormous Shrinkage of Carbon Nanotubes under Low-Energy Electron Beam Irradiation with Uniaxial Tensile Stress
Published in Japanese Journal of Applied Physics (01-06-2011)“…We found that low-energy electron irradiation combined with uniaxial tensile stress strongly enhanced the shrinkage of carbon nanotubes (CNTs). The shrinking…”
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19
Enormous Shrinkage of Carbon Nanotubes under Low-Energy Electron Beam Irradiation with Uniaxial Tensile Stress
Published in Japanese Journal of Applied Physics (01-06-2011)Get full text
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Effect of Annealing and Electron Irradiation on Young's Modulus of Amorphous Carbon Pillars Grown by FIB-CVD
Published in 2007 Digest of papers Microprocesses and Nanotechnology (01-11-2007)“…The paper reports on the effect of vacuum annealing and and electron shower irradiation on the Young's modulus of amorphous carbon pillars grown by…”
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