Optical properties of hydrothermal-method-grown ZnO crystal as EUV laser diagnostics material

Photoluminescence properties of hydrothermal method-grown zinc oxide (ZnO) are evaluated in the extreme ultraviolet (EUV) region. The prominent fluorescence peak observed at 380nm is characterized by a double exponential decay profile, where the 1.6ns fast decay component is attributed to free excit...

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Bibliographic Details
Published in:Journal of crystal growth 2013-01, Vol.362, p.264-267
Main Authors: Yamanoi, Kohei, Shimizu, Toshihiko, Furukawa, Yusuke, Cadatal-Raduban, Marilou, Nakazato, Tomoharu, Sakai, Kohei, Tsuboi, Mizuki, Nishi, Ryosuke, Sarukura, Nobuhiko, Tanaka, Momoko, Nishikino, Masaharu, Yamatani, Hiroshi, Nagashima, Keisuke, Kimura, Toyoaki, Fukuda, Tsuguo, Nagasono, Mitsuru, Togashi, Tadashi, Higashiya, Atsushi, Yabashi, Makina, Ishikawa, Tetsuya, Ohashi, Haruhiko, Kimura, Hiroaki
Format: Article
Language:English
Subjects:
A1. Characterization
A2. Hydrothermal crystal growth
B1. Oxides
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Decay rate
Doping
Exact sciences and technology
Excitons
Fluorescence
Fundamental areas of phenomenology (including applications)
Growth from solutions
Iron
Laser materials
Lithography
Materials science
Methods of crystal growth
physics of crystal growth
Optical materials
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Optics
Photoluminescence
Physics
Ultraviolet
Zinc oxide
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Summary:Photoluminescence properties of hydrothermal method-grown zinc oxide (ZnO) are evaluated in the extreme ultraviolet (EUV) region. The prominent fluorescence peak observed at 380nm is characterized by a double exponential decay profile, where the 1.6ns fast decay component is attributed to free excitons while the 15ns slow decay component is assigned to trapped carriers. The response time of ZnO is improved to 70ps by intentional iron (Fe) ion doping accomplished through the removal of the platinum lining in the growth chamber. This response time-improved ZnO will have promising applications in EUV lithography and X-ray free electron laser (XFEL) research. ► Scintillation properties of hydrothermal method-grown zinc oxide (ZnO) were evaluated in the extreme ultraviolet (EUV) region. ► 1ns decay time was obtained. ► Temperature-dependent measurements show that photosensitivity and speed are robust against temperature changes. ► Response time was improved to 70ps by iron (Fe)-ion doping. ► This response time-improved ZnO will have promising applications in EUV lithography and X-ray free electron laser (XFEL) research.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2012.01.008