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Reversible multiplexing for optical information recording, erasing, and reading-out in photochromic BaMgSiO4:Bi3+ luminescence ceramics 被引量:6
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作者 youtao ren Zhengwen Yang +6 位作者 Yuehui Wang Mingjun Li Jianbei Qiu Zhiguo Song Jie Yu Asad Ullah Imran Khan 《Science China Materials》 SCIE EI CSCD 2020年第4期582-592,共11页
Optical data storage technology has many advantages over the traditional solid-state and magnetic storage technology,such as low cost,multi-dimensional storage,and rewritable capability.Therefore,the optical data stor... Optical data storage technology has many advantages over the traditional solid-state and magnetic storage technology,such as low cost,multi-dimensional storage,and rewritable capability.Therefore,the optical data storage technology has been in increasing demand for optical storage media.Herein,the photochromic and photoluminescence properties of BaMgSiO4:Bi^3+ceramics were investigated.The BaMgSiO4:Bi^3+ceramics showed reversible photochromism from gray to pink upon alternating the 254 nm ultraviolet light and 532 nm laser irradiation.This is caused by the electron trapping and de-trapping in the oxygen vacancies of the BaMgSiO4:Bi^3+host.This reversible behavior of photochromism was applied to fabricate different patterns on the surface of the BaMgSiO4:Bi^3+ceramics,which exhibited the reversible dual-mode optical information recording and erasing abilities.The photoluminescence reversible modulation of the BaMgSiO4:Bi^3+ceramics was obtained through the photochromic phenomenon.This modification behavior of luminescence could be applied to read-out the recording information in the BaMgSiO4:Bi^3+ceramics.The coloration and bleaching of BaMgSiO4:Bi^3+ceramics were dependent on the time of light stimulation,which facilitated multiplexing encoding.This photoluminescence and photochromism multiplexing of the BaMgSiO4:Bi^3+ceramics enhanced the optical data storage capability. 展开更多
关键词 BaMgSiO4:Bi3+ceramic PHOTOCHROMISM photoluminescence reversible modification
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