High multi-photon visible upconversion emissions of Er{sup 3+} singly doped BiOCl microcrystals: A photon avalanche of Er{sup 3+} induced by 980 nm excitation

Under 980 nm excitation, high multi-photon upconversion (UC) emission from the {sup 2}H{sub 11/2}/{sup 4}S{sub 3/2} (green) and {sup 4}F{sub 9/2} (red) levels of Er{sup 3+} ions were observed from Er{sup 3+} singly doped BiOCl microcrystals. These high-energy excited states were populated by a three...

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Veröffentlicht in:	Applied physics letters 2013-12, Vol.103 (23)
Hauptverfasser:	Li, Yongjin, Song, Zhiguo, Li, Chen, Wan, Ronghua, Qiu, Jianbei, Yang, Zhengwen, Yin, Zhaoyi, Yang, Yong, Zhou, Dacheng, Wang, Qi
Format:	Artikel
Sprache:	eng
Schlagworte:	CRYSTALS DOPED MATERIALS EMISSION ERBIUM IONS EXCITATION MATERIALS SCIENCE MULTI-PHOTON PROCESSES OSCILLATION MODES PHOTONS POWER DENSITY URANIUM CARBIDES
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