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北京石油化工学院2026年研究生招生接收调剂公告
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hikozl

[交流] [求助]请问fluorescent必须要有spin change 吗?

投的文章给的反馈有这么一段话:
Fluorescent should not be used here since it characteruzes a transition with no spin change. It should be changed into phosphorescent or into luminescent(the Tb transitions have delta S=2,this is phosphorescence)

请问这段话怎么解释啊?
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