Abstract
High optical quality 0.2at% Fe doped YAP and 0.5at% Cu doped YAP single crystals were grown successfully by Czochralski method respectively.The separation coefficients of Fe ion in 0.2at% Fe doped YAP and Cu ion in 0.5at% Cu doped YAP crystals determined by ICP-AES method were 0.13 and 0.28 respectively.The absorption spectra and X-ray excitation luminescence spectra of the Fe:YAP and Cu:YAP crystals annealed in reduction/oxidation atmosphere were measured at room temperature.Microcosmic mechanisms of the spectra characteristics and the effects of anneal on crystals were analyzed.Finally,the thermoluminescence spectra of Fe:YAP and Cu:YAP crystals were also studied.It is found that Cu:YAP crystal is a prospective dosimetry material.
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