Zobrazeno 1 - 10 of 53 pro vyhledávání: '"Masakazu Tsuzuki"'
1
Luminescence properties of chalcopyrite AgInS2 nanocrystals: their origin and related electronic states
Autor: Masakazu Tsuzuki, Toshihiro Kuzuya, Kohei Ozawa, Yasushi Hamanaka, Tetsuya Ogawa
Publikováno v: Journal of Luminescence. 133:121-124
We report on the photoluminescence (PL) mechanisms of the chalcopyrite AgInS 2 nanocrystals with dodecanethiol surfactants. The nanocrystals present broad PL spectra (full width at half maximum of 0.4 eV) with large Stokes-shifts (0.8–1.0 eV). Time
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad20c6c54e8ae89756f3e23f925347f9
http://id.nii.ac.jp/1476/00005764/
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2
Photoluminescence Properties and Its Origin of AgInS2 Quantum Dots with Chalcopyrite Structure
Autor: Toshihiro Kuzuya, Yasushi Hamanaka, Masakazu Tsuzuki, Tetsuya Ogawa
Publikováno v: The Journal of Physical Chemistry C. 115:1786-1792
We report on the photoluminescence (PL) mechanisms and the nature of the related electronic states of AgInS2 quantum dots (QDs) synthesized via a metathesis reaction of metal complexes. A broad PL band with a large Stokes shift is apparent in the PL
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0eb55492ece5d90dc902948fcde31597
https://doi.org/10.1021/jp110409q
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3
Visualization of fluidized-bed heat exchanger in upward/downward flow condition by neutron radiography
Autor: Hisashi Umekawa, Mamoru Ozawa, Masakazu Tsuzuki, Shuji Furui, Masashi Okura, Nobuyuki Takenaka
Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 542:161-167
Heat transfer characteristics of a fluidized-bed heat exchanger are dominated by the characteristics of bed-material movement, especially, in the neighboring region of the heat transfer tube. In the present experiment, a simulated fluidized-bed heat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::538a6629bcd65877d7fb5df976ea5128
https://doi.org/10.1016/j.nima.2005.01.094
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6
Solution-phase synthesis and photoluminescence characterization of quaternary Cu[sub 2]ZnSnS[sub 4] nanocrystals
Autor: Kohei Ozawa, Yasushi Hamanaka, Masakazu Tsuzuki, Toshihiro Kuzuya
Publikováno v: AIP Conference Proceedings.
Cu2ZnSnS4 (CZTS) nanocrystals were synthesized via solution phase route and their lattice defects were investigated by photoluminescence measurements. Ionization energies of the defect levels were estimated to be 10 and 72 meV from thermal quenching
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::283a864f7ff473d1e8db1bc63688216b
https://doi.org/10.1063/1.4848256
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10
A Study on a Laser Scanning System to Assist Microsurgery
Autor: Masakazu Tsuzuki, Takeyoshi Dohi, Takashi Horiuchi, Akira Kakimoto, Yuji Ohta
Publikováno v: Journal of Life Support Technology. 3:8-13
In recent years, microsurgery or the conducting of surgical operations under a microscope, has become a frequent phenomena on the fields of ophthalmology, otohinolaryngology, orthopedics, brain surgery etc. In order to conduct the resection suturing
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fab07e2a99e14d17b19c0894f1c65fb9
https://doi.org/10.5136/lifesupport1986.3.8
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