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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Preparation and spectral properties of Nd ~(3 +)-doped transparent glass ceramic containing Ca _5(PO _4) _3F nanocrystals
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Preparation and spectral properties of Nd ~(3 +)-doped transparent glass ceramic containing Ca _5(PO _4) _3F nanocrystals

机译：含Ca_5（PO_4）_3F纳米晶的Nd〜（3+）掺杂透明玻璃陶瓷的制备及光谱性质

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摘要

A Nd ~(3 +)-doped transparent oxyfluoride glass ceramic containing Ca _5(PO _4) _3F nanocrystals was prepared by thermal treatment at the crystallization temperature for the precursor glass. The transmittances of the precursor glass and the glass ceramic with a thickness of about 2 mm are up to 84.7% and 77.4% in the visible range. The volume fraction of Ca _5(PO _4) _3F nanocrystals in the glass ceramic is about 19% and the ingress fraction of Nd ~(3 +) ions into the Ca _5(PO _4) _3F nanocrystals is about 32%. The peak absorption cross-section increases to 224% at 807 nm and the full width at half maximum for the 807 nm band decreases from 17.5 to 3.5 nm after the crystallization process. The peak stimulated emission cross-section increases from 1.89 × 10 ~(- 20) to 2.42 × 10 ~(- 20) cm ~2 at 1062 nm and the effective width of the emission line for the 1062 nm band decreases from 34 to 29 nm after the crystallization process. The improvement of spectroscopic properties indicates that the glass ceramic is potentially applicable as the 1.06 μm laser material.
机译：通过在前体玻璃的结晶温度下进行热处理，制备了含有Ca _5（PO _4）_3F纳米晶体的Nd〜（3 +）掺杂的透明氟氧化物玻璃陶瓷。在可见光范围内，前体玻璃和厚度约为2 mm的玻璃陶瓷的透射率分别高达84.7％和77.4％。玻璃陶瓷中Ca _5（PO _4）_3F纳米晶体的体积分数约为19％，Nd〜（3 +）离子进入Ca _5（PO _4）_3F纳米晶体的入射分数约为32％。结晶过程后，在807 nm处的峰吸收截面增加至224％，并且807 nm带的半峰全宽从17.5降低至3.5 nm。峰值受激发射截面在1062 nm处从1.89×10〜（-20）增加到2.42×10〜（-20）cm〜2，并且1062 nm波段的发射线有效宽度从34减小到29结晶过程后的nm。光谱性质的改善表明，玻璃陶瓷可潜在地用作1.06μm的激光材料。

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