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ÔÚcatio3²ôÔÓÏ¡ÍÁÀë×ÓÌåϵÖУ¬²ôÔÓÏ¡ÍÁprÀë×Ӻ󣬷¢¹âÖ÷ÒªÊÇpr ÒÔprµÄ1d2ԾǨ·¢ÉäΪÖ÷£¬»ùÖÊÏòprÀë×ÓÄÜÁ¿´«µÝ±È½ÏÈõ£»
In the catio3 doped rare earth ion system, doped with rare earth pr ions, the luminescence is mainly pr to pr 1d2 transition emission-based£»the transfer of matrix to pr ions is weak.

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However, in the emission spectrum of caco3: tb, the energy transfer effect of matrix nbo6 group to tb ion is very obvious.
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