Characterization of LiFePO4 as the cathode material for rechargeable lithium batteries

Masaya Takahashi, Shin‐ichi Tobishima, Koji Takei, +1

Journal of Power Sources

Materials ScienceChemical EngineeringEngineeringBattery Electrode MaterialsRechargeable Lithium Batteries +10

Lithium ion cell safety

Shin‐ichi Tobishima, Koji Takei, Yoji Sakurai, +1

Journal of Power Sources

Electric BatteryElectrical EngineeringEngineeringLithium-ion BatteryLithium-ion Batteries +2

NMR Study of Compositional Inhomogeneities in Sputtered Co-Cr Films

Koji Takei, Yasushi Maeda

Japanese Journal of Applied Physics

Materials ScienceCr ContentMaterial AnalysisEngineeringCo-nmr Technique +10

Structural and Thermal Characteristics of Nickel Dioxide Derived from LiNiO2

Hajime Arai, Masayuki Tsuda, Keiichi SAITO, +3

Journal of Solid State Chemistry

Materials EngineeringInorganic ChemistryMaterials ScienceEngineeringNickel Dioxide Derived +2

Ar ion bombardment effects of NbN/Pb Josephson junctions with plasma oxidized barriers

Makoto Hikita, Koji Takei, Masaru Igarashi

Journal of Applied Physics

Subgap ResistanceEngineeringJosephson JunctionsElectronic DevicesPlasma Electronics +14

Superconducting beryllium thin films prepared by ion-beam sputtering

Koji Takei, Kiko Nakamura, Yasushi Maeda

Journal of Applied Physics

Materials ScienceSuperconducting MaterialHigh-tc SuperconductivityHigh Temperature MaterialsEngineering +12

Application of Co-based amorphous ribbon to a noise filter and a shielded cable

Osamu Ishii, Masakatsu Senda, Koji Takei, +2

Journal of Applied Physics

MagnetismElectrical EngineeringSaturation MagnetizationEngineeringEngineering Noise Control +9

INVESTIGATIONS ON CO-EVAPORATED Co-Cr FILMS FOR PERPENDICULAR RECORDING APPLICATIONS

H. van Kranenburg, Cock Lodder, T.J.A. Popma, +2

Journal of the Magnetics Society of Japan

Magnetic PropertiesEngineeringThickness SeriesMagnetic ResonanceMagnetism +15

Fabrication of High Quality NbN/Pb Josephson Tunnel Junctions with Plasma Oxidized Barriers

Makoto Hikita, Koji Takei, Tsunekazu Iwata, +1

Japanese Journal of Applied Physics

Wide-bandgap SemiconductorEngineeringVacuum DeviceSemiconductor DeviceJosephson Junctions +14

Synthesis of Superconducting Beryllium Thin Film by Ion-Beam Sputtering

Koji Takei, Minoru Okamoto, Kiko Nakamura, +1

Japanese Journal of Applied Physics

Superconducting MaterialCrystal ParticlesEngineeringCritical CurrentsSuperconductivity +14