Synthesis, Structure and Gas Adsorption Property of a Novel 2D Layer Nickel Organo\|diphosphonate Compound

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (1): 32.

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Synthesis, Structure and Gas Adsorption Property of a Novel 2D Layer Nickel Organo\|diphosphonate Compound

REN Yu-Ying¹, ZHOU Ding¹,GUO Jing¹,SHI Ying¹,XIE Jian-Jun¹,XIE Zhi²,HE Bo²

1. College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China;
2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China

Received:2010-03-31 Revised:2010-09-13 Online:2011-01-10 Published:2010-12-11
Contact: SHI Ying E-mail:yshi@shu.edu.cn
Supported by:
国家“九七三”计划项目(批准号: 2006CB806100)\, 中央民族大学高等学校111学科创新引智计划项目(批准号: B08044)和中央民族大学985工程项目(批准号: CUN985\|03\|03)资助.

Abstract

Abstract: Local structure of Nd doped ions in Lu2O3 nanopowders and transparent ceramic samples were investigated through X-ray absorption fine structure (EXAFS). EXAFS spectroscopy of Nd L3 edge at about 6215 eV demonstrated that doped Nd atoms has entered Lu2O3 host lattice by substitution solid solution. Fitting results of EXAFS data presented detailed information about species of Nd near-neighborhood coordination atoms，inter-atom distance，coordination number and disorder parameter. Nd ions in Lu2O3 host are mainly six coordinated with the first shell nearest Nd-O distance of 2.25A, which was less than Nd-O first shell distance 2.51A of Nd2O3. The disorder parameter raised from 0.052 to 0.090 with increasing Nd3+ doping concentration from 0.5at.% to 3at.%. Nd:Lu2O3 nanocrystalline powders exhibited a lager first shell nearest Nd-O distance，coordination number and disorder parameters than those of transparent ceramics.

Key words: EXAFS, Local structure, Nd3+:Lu2O3, Nanopowder, Transparent ceramic

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REN Yu-Ying ZHOU Ding GUO Jing SHI Ying XIE Jian-Jun XIE Zhi HE Bo. Synthesis, Structure and Gas Adsorption Property of a Novel 2D Layer Nickel Organo\|diphosphonate Compound[J]. Chem. J. Chinese Universities, 2011, 32(1): 32.

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Synthesis, Structure and Gas Adsorption Property of a Novel 2D Layer Nickel Organo\|diphosphonate Compound

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