Homemade phosphors based on magnesium sulfide, activated with bismuth (MgS*Bi) and antimony (MgS*Sb) with an afterglow of ~30 minutes.


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Homemade phosphors based on magnesium sulfide, activated with bismuth (MgS*Bi) and antimony (MgS*Sb) with an afterglow of ~30 minutes.
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