Influence of lithium niobate stoichiometry on the lattice position of Nd~3+ in Nd:LiNbO_3

C. Prieto

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Influence of lithium niobate stoichiometry on the lattice position of Nd~3+ in Nd:LiNbO_3

机译：铌酸锂化学计量对Nd：LiNbO_3中Nd〜3 +晶格位置的影响

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In order to study the lattice position influence on the optical properties of the Nd_3- doped LiNbO_3, the local order around neodymium ions has been investigated in a set of Nd-doped LiNbO_3, with different stoichiometries ([Li]/[Nb] ratios) by Extended X-ray Absorption Fine Structure (EXAFS) spectroscopy. The main position has been determined for this technologically important foreign ion to be inside the Li-octahedron and shifted 0.4 A from the Li lattice site toward the structural vacancy. The host position is independent of the stoichiometry, but the arrangement of the nearest oxygen surrounding the foreign ion is different for such samples with different [Li]/[Nb] ratios.

机译：为了研究晶格位置对Nd_3掺杂的LiNbO_3的光学性能的影响，已经在一组Nd掺杂的LiNbO_3中以不同的化学计量比（[Li] / [Nb]比）研究了钕离子周围的局部顺序。通过扩展X射线吸收精细结构（EXAFS）光谱分析。已经确定了该技术上重要的外来离子的主要位置是在Li八面体内部，并且从Li晶格位置向结构空位移动了0.4A。主体位置与化学计量无关，但是对于具有不同[Li] / [Nb]比的此类样品，外来离子周围最近的氧的排列方式不同。

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《Optical Materials》 |1999年第1期|p.135-142|共8页
作者
C. Prieto;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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1. EXAFS determination of the Nd~(3+) lattice position in Nd:LiNbO_3: influence of lithium niobate stoichiometry and Mg~(2+) and Zn~(2+) co-doping [J] . M. Vila, A. de Bernabe, C. Prieto Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2001,第0期

机译：EXAFS测定Nd：LiNbO_3中Nd〜（3+）的晶格位置：铌酸锂化学计量以及Mg〜（2+）和Zn〜（2+）共掺杂的影响
2. EXAFS determination of the Nd3+ lattice position in Nd : LiNbO3: influence of lithium niobate stoichiometry and Mg2+ and Zn2+ co-doping [J] . Vila M., Prieto C., de Bernabe A. Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2001,第0期

机译：EXAFS测定Nd：LiNbO3中Nd3 +的晶格位置：铌酸锂化学计量以及Mg2 +和Zn2 +共掺杂的影响
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Influence of lithium niobate stoichiometry on the lattice position of Nd~3+ in Nd:LiNbO_3

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