最近の研究業績一覧(QSTリポジトリ)

2021年12月10日更新

Effect of disorder and vacancy defects on electrical transport properties of Co2MnGa thin films grown by magnetron sputtering

2021年11月23日更新

Positronium emission from GaN(0001) and AlN(0001) surfaces

2021年11月9日更新

High-density magnetic-vacancy inclusion in Co2MnGa single crystal probed by spin-polarized positron annihilation spectroscopy

2021年5月4日更新

Spin-Polarized Positronium Time-of-Flight Spectroscopy for Probing Spin-Polarized Surface Electronic States

2020年10月20日更新

Positronium formation at 4H-SiC(0001) surfaces

2020年8月29日更新

Development of a new positron source for spin-polarized positron beam generation

2020年8月19日更新

Gadolinium-implanted GaN studied by spin-polarized positron annihilation spectroscopy

2020年8月1日更新

Effect of dual implantation with Ag and Ni ions on the optical absorption of silica glass

2020年7月27日更新

Spin polarization of graphene on Co₂FeGe_0.5Ga_0.5(001) observed by spin-polarized surface positronium spectroscopy

2020年5月30日更新

A pulse stretcher for a LINAC-based pulsed slow-positron beam providing a quasi-continuous beam with an energy of 5.2 keV

2020年4月23日更新

Positron annihilation spectroscopy study of vacancy-type defects in He implanted polycrystalline alpha-SiC

2020年3月30日更新

Construction of a Spin-Polarized Positronium Time-of-Flight Measurement Apparatus

2018年12月28日更新

Effect of Beam Flux on Radiation Damage Accumulation in Ion-bomberd Si

2018年10月25日更新

Total-reflection high-energy positron diffraction (TRHEPD) for structure determination of the topmost and immediate sub-surface atomic layers

2018年9月28日更新

Time-Dependent Multicomponent Density Functional Theory for Coupled Electron-Positron Dynamics

2018年8月21日更新

Spin Detection with Positron and Positronium

2018年7月28日更新

Spin-Polarized Positron Annihilation Measurement on Ga Vacancies in p-type GaN

2018年6月30日更新

Observation of low-energy positron diffraction patterns with a linac-based slow-positron beam

2018年6月20日更新

Progress report on construction of a low-energy positron diffraction (LEPD) experiment station at KEK

2018年6月5日更新

Positronium formation at Si surfaces

2018年5月25日更新

Spin-polarized positron beams with ²²Na and ⁶⁸Ge and their applications to materials research

2018年5月4日更新

Spin polarization of graphene and h-BN on Co(0001) and Ni(111) observed by spin-polarized surface positronium spectroscopy

2018年3月25日更新

Slow positron applications at slow positron facility of institute of materials structure science, KEK

2017年4月25日更新

Vacancy-induced ferromagnetism in ZnO probed by spin-polarized positron annihilation spectroscopy

2017年3月2日更新

Vacancy-mediated ferromagnetism in Co-implanted ZnO studied using a slow positron beam

2017年2月28日更新

Construction of a surface positronium lifetime spectroscopy apparatus with a spin-polarized low energy positron beam

2017年2月28日更新

Research progress at the Slow Positron Facility in the Institute of Materials Structure Science, KEK

2016年12月9日更新

Structure determination of molecules in an alignment laser field by femtosecond photoelectron diffraction using an X-ray free-electron laser

2016年11月2日更新

Graft-type polymer electrolyte membranes based on poly(ether ether ketone)/nanosilica hybrid films for fuel cell applications

2016年9月23日更新

Emission of low-energy positronium from alkali-metal coated single-crystal tungsten surfaces

2016年3月3日更新

Spacing between graphene and metal substrates studied with total-reflection high-energy positron diffraction