Observation of cluster formation of rare earth ions in wide band gap fluorine dielectric crystals using transmission electron microscopy

G. Drazic; S. Kobe; E. Sarantopoulou; Z. Kollia; A.C. Cefalas

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Observation of cluster formation of rare earth ions in wide band gap fluorine dielectric crystals using transmission electron microscopy

机译：透射电子显微镜观察宽带隙氟介电晶体中稀土离子的簇形成

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摘要

Transmission electron microscopy was used to investigate the cluster formation of trivalent rare earth (RE) ions in wide band gap dielectric crystal hosts with atomic resolution. Various defects and areas with variation in chemical composition with dimensions of ～5 nm were observed. This finding sets the limit in the value of the refractive index, and thus in the optical quality of these crystals.

机译：透射电子显微镜用于研究宽带隙介电晶体主体中具有原子分辨率的三价稀土离子的簇形成。观察到各种缺陷和化学成分在〜5 nm范围内变化的区域。这一发现设置了折射率值的极限，从而限制了这些晶体的光学质量。

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来源
《Applied Surface Science》 |2004年第3期|p.120-124|共5页
作者
G. Drazic; S. Kobe; E. Sarantopoulou; Z. Kollia; A.C. Cefalas;
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作者单位

Jozef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia;

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原文格式 PDF
正文语种 eng
中图分类应用物理学;
关键词
clusters; EDXS spectroscopy; nanonucleation; transmission electron microscopy; rare earth ions; vacuum ultraviolet;

机译：团簇;EDXS光谱;纳米核素;透射电镜;稀土离子;真空紫外;

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专利

1. Crystal field splitting of highly excited electronic states of the 4f~(n-1) 5d electronic configuration of trivalent rare earth ions in wide band gap crystals [J] . A.C. Cefalas, S. Kobe, Z. Kollia, Crystal engineering . 2002,第3a4期

机译：宽带隙晶体中三价稀土离子的4f〜（n-1）5d电子构型的高激发电子态的晶体场分裂
2. Synchrotron white beam X-ray topography, transmission electron microscopy and high-resolution X-ray diffraction studies of defects and strain relaxation processes in wide band gap semiconductor crystals and thin films [J] . Dudley M, Bai J, Huang X, Materials science in semiconductor processing . 2006,第1a3期

机译：同步带隙白光X射线形貌，透射电子显微镜和高分辨率X射线衍射研究宽带隙半导体晶体和薄膜中的缺陷和应变松弛过程
3. Crystal field splitting of the 4f 5d electronic configuration of Pr3+ ions in wide band gap fluoride dielectric crystals [J] . Sarantopoulou E., Kollia Z., Cefalas AC., Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter . 2002,第4a6期

机译：宽带隙氟化物介电晶体中Pr3 +离子的4f 5d电子构型的晶体场分裂
4. Possibilities of upconversion UV and VUV lasers based on 5d-4f transitions of rare-earth ions in wide-bandgap dielectric crystals [C] . V.V. Semashko, Maria-France Joubert, E.Descroix, International readings on quantum optics . 2000

机译：基于宽带凝电介质晶体中的稀土离子的5D-4F转变的上转化UV和VUV激光器的可能性
5. The luminescence properties of the wide bandgap nitrides doped with rare earth ions and gallium nitride doped with conventional isoelectronic impurities. [D] . Jadwisienczak, Wojciech M. 2001

机译：掺杂有稀土离子的宽带隙氮化物和掺杂有常规等电子杂质的氮化镓的发光特性。
6. In situ Transmission Electron Microscopy observation of Ag nanocrystal evolution by surfactant free electron-driven synthesis [O] . Elson Longo, Waldir Avansi Jr., Jefferson Bettini, -1

机译：无表面活性剂电子驱动合成的银纳米晶的原位透射电镜观察
7. VUV laser spectroscopy of trivalent rare-earth Ions in wide band gap fluoride crystals [O] . Sarantopoulou, Evangelia, Cefalas, Alciviadis Constantinos 2008

机译：宽带隙氟化物晶体中三价稀土离子的VUV激光光谱

Observation of cluster formation of rare earth ions in wide band gap fluorine dielectric crystals using transmission electron microscopy

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