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首页> 外文期刊>CERAMICS INTERNATIONAL >Fabrication and luminescence properties of Er~(3+) doped yttrium lanthanum oxide transparent ceramics
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Fabrication and luminescence properties of Er~(3+) doped yttrium lanthanum oxide transparent ceramics

机译：掺Er〜（3+）钇氧化镧镧透明陶瓷的制备及发光性能

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Er~(3+) doped yttrium lanthanum oxide transparent ceramics were fabricated by the conventional ceramics processing and their luminescence properties were investigated. The ceramics displayed high transparency and uniform grains without pores. Under the excitation of 980 nm laser diode, intense green and red up-conversion luminescences were observed due to ~H_(11/2)/~4S_(3/2)→~4I_(15/2) and ~4F_(9/2)→~4I_(15/2) transitions of Er~(3+) ions, respectively. 2 at% Er~(3+):(Y_(0.9)La_(0.1))_2O_3 ceramics had longer fluorescence lifetime and the emission cross-sections (σ_(em)) at 1536 nm was calculated to be 5.87 × 10~(-21) cm~(-2), while it was 6.83 × 10~(-21) cm~(-2) for 1 at% Er~(3+):(Y_(0.9)La_(0.1))_2O_3 ceramics.
机译：采用常规陶瓷工艺制备了掺Er〜（3+）的钇氧化镧镧透明陶瓷，并研究了其发光性能。陶瓷显示出高透明性和均匀的无孔晶粒。在980 nm激光二极管的激发下，由于〜H_（11/2）/〜4S_（3/2）→〜4I_（15/2）和〜4F_（9 / 2）→~~ 4I_（15/2）跃迁的Er〜（3+）离子。 2 at％Er〜（3 +）:( Y_（0.9）La_（0.1））_ 2O_3陶瓷的荧光寿命更长，并且计算出1536 nm处的发射截面（σ_（em））为5.87×10〜（ -21）cm〜（-2），而1 at％Er〜（3 +）:( Y_（0.9）La_（0.1））_ 2O_3陶瓷为6.83×10〜（-21）cm〜（-2） 。

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