A Novel Oxygen Vacancy in ScPO4:Er for Luminescence Anti-Thermal Quenching
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Different from previously reported shallow defects in ScPO4, herein we have uncovered a deep defect, oxygen vacancy (VO). The perfect energy level match with 4S3/2/4F9/2 in doped Er3+ allows VO to accept and store the excitation energy transferred from Er3+, w... ...
