石川 陽一

In-plane optical polarization and dynamic properties of the near-band-edge emission of an m-plane freestanding AlN substrate and a homoepitaxial film 

Applied Physics Letters 115(15) 2019年10月7日  査読有り

Nearly temperature-independent ultraviolet light emission intensity of indirect excitons in hexagonal BN microcrystals 

Journal of Applied Physics 123(6) 2018年2月9日  査読有り

Spatio-time-resolved cathodoluminescence study on high AlN mole fraction AlxGa1-xN structures grown by metalorganic vapor phase epitaxy 

2016 COMPOUND SEMICONDUCTOR WEEK (CSW) INCLUDES 28TH INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE & RELATED MATERIALS (IPRM) & 43RD INTERNATIONAL SYMPOSIUM ON COMPOUND SEMICONDUCTORS (ISCS) 2016年  査読有り

Terahertz vibrations of crystalline α-D-glucose and the spectral change in mutual transitions between the anhydride and monohydrate 

Chemical Physics Letters 642 29-34 2015年12月  査読有り

Reduction in the concentration of cation vacancies by proper Si-doping in the well layers of high AlN mole fraction AlxGa1–xN multiple quantum wells grown by metalorganic vapor phase epitaxy 

Applied Physics Letters 107(12) 2015年9月21日  査読有り

Spatio-time-resolved cathodoluminescence studies on the Si-doping effects in high AlN mole fraction AlxGa1−xN multiple quantum wells grown on an AlN template by metalorganic vapor phase epitaxy 

2015 15th International Workshop on Junction Technology (IWJT) 2015年6月  

Local excitation and emission dynamics of an isolated single basal-plane stacking-fault in GaN studied by spatio-time-resolved cathodoluminescence 

Japanese Journal of Applied Physics 54(3) 030303-030303 2015年2月3日  査読有り

High internal quantum efficiency ultraviolet to green luminescence peaks from pseudomorphic m-plane Al1−xInxN epilayers grown on a low defect density m-plane freestanding GaN substrate 

Journal of Applied Physics 116(21) 2014年12月2日  査読有り

Homoepitaxial growth of ZnO films with reduced impurity concentrations by helicon-wave-excited-plasma sputtering epitaxy using a crystalline ZnO target prepared by hydrothermal technique 

Japanese Journal of Applied Physics 53(10) 100301-100301 2014年9月12日  査読有り

Excitonic emission dynamics in homoepitaxial AlN films studied using polarized and spatio-time-resolved cathodoluminescence measurements 

Applied Physics Letters 103(14) 2013年9月30日  査読有り

Local carrier dynamics around the sub-surface basal-plane stacking faults of GaN studied by spatio-time-resolved cathodoluminescence using a front-excitation-type photoelectron-gun 

Applied Physics Letters 103(5) 2013年7月29日  査読有り

Impacts of Si-doping and resultant cation vacancy formation on the luminescence dynamics for the near-band-edge emission of Al0.6Ga0.4N films grown on AlN templates by metalorganic vapor phase epitaxy 

Journal of Applied Physics 113(21) 2013年6月3日  査読有り

Translational vibrations between chains of hydrogen-bonded molecules in solid-state aspirin form I 

Chemical Physics Letters 576 21-25 2013年6月  査読有り

Local lifetime and luminescence efficiency for the near-band-edge emission of freestanding GaN substrates determined using spatio-time-resolved cathodoluminescence 

Applied Physics Letters 101(21) 2012年11月19日  査読有り

Time-resolved photoluminescence, positron annihilation, and Al0.23Ga0.77N/GaN heterostructure growth studies on low defect density polar and nonpolar freestanding GaN substrates grown by hydride vapor phase epitaxy 

Journal of Applied Physics 111(10) 2012年5月15日  査読有り

The dispersion correction and weak-hydrogen-bond network in low-frequency vibration of solid-state salicylic acid 

Chemical Physics Letters 531 98-104 2012年4月  査読有り

Spatio-time-resolved cathodoluminescence studies on freestanding GaN substrates grown by hydride vapor phase epitaxy 

ECS Transactions 50(42) 1-8 2012年  査読有り

Stretching vibration of the weak hydrogen bond in a terahertz spectrum 

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2012年