Crystal growth, luminescence, and scintillation properties of Er-doped La2Hf2O7 single crystal
Extended Abstracts of the 2023 International Conference on Solid State Devices and Materials(2024)
摘要
The growth of Er-doped La2Hf2O7 (LHO:Er) single crystals with a high mp of 2413 degrees C was achieved by the melt-growth method using a tungsten (W) crucible. Polished LHO:Er specimens were obtained from the as-grown crystals. The full width at half maximum of the X-ray Rocking curve on the (222) diffraction peak was 599 arcsec, and the crystals have relatively low crystallinity. The photoluminescence spectra of the polished LHO:Er specimen showed emission peaks originating from the Er3+ ions in both the visible and IR wavelength ranges. It also exhibited scintillation light under X-ray irradiation. (c) 2024 The Japan Society of Applied Physics
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关键词
crystal growth,phospher,scintillator,single crystal
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