Phase formation and densification peculiarities of Y3Al5O12:Nd3+ during reactive sintering

被引：18

作者：

Yavetskiy, R. P. ^{[1
]}

Baumer, V. N. ^{[2
]}

Doroshenko, A. G. ^{[1
]}

Kopylov, Yu. L. ^{[3
]}

Kosyanov, D. Yu. ^{[1
]}

Kravchenko, V. B. ^{[3
]}

Parkhomenko, S. V. ^{[1
]}

Tolmachev, A. V. ^{[1
]}

机构：

[1] NAS Ukraine, Inst Single Crystals, Sci & Technol Corp, UA-61001 Kharkov, Ukraine

[2] NAS Ukraine, Inst Single Crystals, State Sci Inst, UA-61001 Kharkov, Ukraine

[3] Russian Acad Sci, Fryazino Branch, Kotelnikov Inst Radioengn & Elect, Fryazino, Russia

来源：

JOURNAL OF CRYSTAL GROWTH | 2014年 / 401卷

关键词：

Diffusion; Mass transfer; Phase equilibria; Solid solutions; Rare-earth compounds; YTTRIUM-ALUMINUM-GARNET; YAG CERAMICS; FABRICATION; LASER; ND; POLYCRYSTALLINE;

D O I：

10.1016/j.jcrysgro.2014.01.034

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Processes of phase formation and densification during reactive sintering of YAG:Nd3+ laser ceramics have been studied through the 2.88Y(2)O(3)-0.12Nd(2)O(3)-5Al(2)O(3) model powder system with a bimodal yttria particle size distribution. It has been found that utilization of submicron yttria powders can provide a competitive advantage of shrinkage over swelling processes by changing the kinetics of VAG phase formation. Excluding the swelling effect during densification allows one to produce YAG:Nd3+ (4 at%) laser ceramics by reactive sintering with in line optical transmission of about SOT at lambda=650 for a 1 mm thick sample. (C) 2014 Elsevier BM. All rights reserved

引用

页码：839 / 843

页数：5

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