Fabrication and properties of highly transparent Nd-doped CaF2 ceramics

被引：43

作者：

Lu, Gang ^{[1
]}

Mei, Bingchu ^{[1
]}

Song, Jinghong ^{[2
]}

Li, Weiwei ^{[1
]}

Xing, Ruzhen ^{[1
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

[2] Wuhan Univ Technol, Ctr Mat Res & Anal, Wuhan 430070, Peoples R China

来源：

MATERIALS LETTERS | 2014年 / 115卷

基金：

中国国家自然科学基金;

关键词：

Nanoparticles; Transparent; Ceramics; Laser; MOLECULAR-BEAM EPITAXY; LASERS; CRYSTALS; YB3+;

D O I：

10.1016/j.matlet.2013.05.055

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The synthesis of Nd-doped CaF2 nanocrystals using a direct precipitation method was reported. X-ray powder diffraction and transmission electron microscopy analysis showed that the products were single phased with an average particles size around 18 nm. The transparent ceramic was fabricated by hot pressing (HP) the powders at a temperature of 900 degrees C under a pressure of 30 MPa. The micrograph of the Nd:CaF2 transparent ceramic exhibited a pore-free structure and the average grain size was about 0.5 mu m. For a 2 mm thickness sample, the highest transmittance of the sample reached 90% in the wavelength from 250 nm to 1400 nm, which made it hopeful to be a kind of laser media for miniaturization of laser devices. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.

引用

页码：162 / 164

页数：3

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