題目「酸化物誘電体多層膜の光損失低減化に関する研究」

textapplication/pdfdepartmental bulletin pape

Observation of B̅0→DsJ*(2317)+K- Decay

journal articl

Solar neutrino measurements in Super-Kamiokande-II

The results of the second phase of the Super-Kamiokande solar neutrino measurement are presented and compared to the first phase. The solar neutrino flux spectrum and time variation as well as oscillation results are statistically consistent with the first phase and do not show spectral distortion. The timedependent flux measurement of the combined first and second phases coincides with the full period of solar cycle 23 and shows no correlation with solar activity. The measured 8B total flux is (2:38± 0.05(stat.)/begin+0.16 // -0.15/end (sys.)) × 10^6 cm^{-2} s^{-1} and the day-night difference is found to be (-6.3 ±4.2(stat.)±3.7(sys.))%.There is no evidence of systematic tendencies between the first and second phases.journal articl

Investigation of Radiative Recombination of Semi-Polar (1-101)GaN Films Grown on Patterned (001)Si Substrate

We investigated the radiative recombination properties of semi-polar (11̅01)GaN films grown on patterned (001)Si substrate by using photoreflectance (PR) and photoluminescence (PL) spectroscopies. The X-ray diffraction (XRD) method was also used for investigating strain content. Estimated bandgap energy (Eg) by Kramers-Kronig transformation of PR spectrum showed about 35 meV lower energy side than that of polar (0001)GaN. It was found that the strain of growth direction (=[111]Si) did not exist from the XRD 2- scan. Therefore, reduction of Eg may be caused by the tensile strain along the [11̅0]Si or [112̅-]Si direction. From the low temperature PL and PR measurements, we could confirm the several radiative peaks caused by donor-bound exciton, acceptor-bound exciton, and donor-to-acceptor pair recombination.departmental bulletin pape

北谷町の植生 : みどり豊かなまちづくりのために

application/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfContribution from the Department of Vegetation Science, Institute of Environmental Science and Technology, Yokohama National University No.177boo

Substitution position effect on photoluminescence emission and chain conformation of poly(diphenylacetylene) derivatives

The significant variation in photoluminescence emission of poly(diphenylacetylene) derivatives according to the substitution position is due to the differences in the intramolecular pi-stack structure and chain conformation.journal articl