A novel self-recoverable mechanoluminescent phosphor Ca_(5)Ga_(6)O_(14)∶Eu^(3+) was developed by the high-tem-perature solid-state reaction method,and its luminescence properties were investigated.Ca_(5)Ga_(6)O_(14)...A novel self-recoverable mechanoluminescent phosphor Ca_(5)Ga_(6)O_(14)∶Eu^(3+) was developed by the high-tem-perature solid-state reaction method,and its luminescence properties were investigated.Ca_(5)Ga_(6)O_(14)∶Eu^(3+)can produce red mechanoluminescence,and importantly,it shows good repeatability.The mechanoluminescence of Ca_(5)Ga_(6)O_(14)∶Eu^(3+) results from the piezoelectric field generated inside the material under stress,rather than the charge carriers stored in the traps,which can be confirmed by the multiple cycles of mechanoluminescence tests and heat treatment tests.The mechanoluminescence color can be turned from red to green by co-doping varied concentrations of Tb^(3+),which may be meaningful for encrypted letter writing.The encryption scheme for secure communication was devised by harnessing mechanoluminescence patterns in diverse shapes and ASCII codes,which shows good encryption performance.The results suggest that the mechanoluminescence phosphor Ca_(5)Ga_(6)O_(14)∶Eu^(3+),Tb^(3+)may be applied to the optical information encryption.展开更多
是一篇论文内容的高度概括,英文表达为ABSTRACT,有学者分析AB为absolutely(全面确切),STR为straightforword(简单直接),ACT为cctual data presentation and interpretation(确实数据的陈述和解释)[1],形象地解释了摘要的内涵。摘要的性...是一篇论文内容的高度概括,英文表达为ABSTRACT,有学者分析AB为absolutely(全面确切),STR为straightforword(简单直接),ACT为cctual data presentation and interpretation(确实数据的陈述和解释)[1],形象地解释了摘要的内涵。摘要的性质决定它的基本功能之一即为文章的导读,通过阅读摘要,读者即可获知文章的主要内容和有价值的信息,方便读者用最短的时间获知感兴趣的信息,引导读者进一步阅读全文。通过期刊数据库提供的数据可以看出,一篇文章的摘要点击量明显高于全文下载量,推测作者是否进一步下载取决于摘要提供的信息。展开更多
文摘A novel self-recoverable mechanoluminescent phosphor Ca_(5)Ga_(6)O_(14)∶Eu^(3+) was developed by the high-tem-perature solid-state reaction method,and its luminescence properties were investigated.Ca_(5)Ga_(6)O_(14)∶Eu^(3+)can produce red mechanoluminescence,and importantly,it shows good repeatability.The mechanoluminescence of Ca_(5)Ga_(6)O_(14)∶Eu^(3+) results from the piezoelectric field generated inside the material under stress,rather than the charge carriers stored in the traps,which can be confirmed by the multiple cycles of mechanoluminescence tests and heat treatment tests.The mechanoluminescence color can be turned from red to green by co-doping varied concentrations of Tb^(3+),which may be meaningful for encrypted letter writing.The encryption scheme for secure communication was devised by harnessing mechanoluminescence patterns in diverse shapes and ASCII codes,which shows good encryption performance.The results suggest that the mechanoluminescence phosphor Ca_(5)Ga_(6)O_(14)∶Eu^(3+),Tb^(3+)may be applied to the optical information encryption.
文摘是一篇论文内容的高度概括,英文表达为ABSTRACT,有学者分析AB为absolutely(全面确切),STR为straightforword(简单直接),ACT为cctual data presentation and interpretation(确实数据的陈述和解释)[1],形象地解释了摘要的内涵。摘要的性质决定它的基本功能之一即为文章的导读,通过阅读摘要,读者即可获知文章的主要内容和有价值的信息,方便读者用最短的时间获知感兴趣的信息,引导读者进一步阅读全文。通过期刊数据库提供的数据可以看出,一篇文章的摘要点击量明显高于全文下载量,推测作者是否进一步下载取决于摘要提供的信息。
