High melting point oxides - a challenge for crystal growth

被引：3

作者：

Klimm, D. ^{[1
]}

Bertram, R. ^{[1
]}

Galazka, Z. ^{[1
]}

Ganschow, S. ^{[1
]}

Schulz, D. ^{[1
]}

Uecker, R. ^{[1
]}

机构：

[1] Leibniz Inst Crystal Growth, D-12489 Berlin, Germany

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2012年 / 47卷 / 03期

关键词：

crystal growth; oxides; melt; DTA; GADOLINIUM GALLIUM GARNET; CZOCHRALSKI GROWTH; SINGLE-CRYSTALS; ZINC-CRYSTALS; EQUILIBRIUM;

D O I：

10.1002/crat.201100407

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The paper reviews two issues that are inherent to the growth, and to thermal analysis, of high melting oxides: (1) Oxides are thermodynamically stable only within atmospheres where the oxygen partial pressure exceeds some minimum value that rises with temperature. This is problematic if Ir, W, or other high melting crucible materials have to be used, as these metals withstand only limited oxygen access. (2) At very high temperature radiation dominates over thermal conduction, limiting heat flow through the growing crystal. Strategies to overcome both problems are demonstrated. (C) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

引用

页码：247 / 252

页数：6

共 32 条

[1] [Anonymous], HDB CRYSTAL GROWTH
[2] *ELEKTRISCHE UND OPTISCHE EIGENSCHAFTEN VON VANADIUMPENTOXYD KRISTALLEN
BOROS, J
[J]. ZEITSCHRIFT FUR PHYSIK, 1949, 126 (10-1): : 721 - 724
[3] ALKALINE-EARTH TUNGSTATES - EQUILIBRIUM AND STABILITY IN M-W-O SYSTEMS
CHANG, LLY
SCROGER, MG
PHILLIPS, B
[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1966, 49 (07) : 385 - &
[4] Czochralski J, 1917, Z PHYS CHEM-STOCH VE, V92, P219
[5] Czochralski growth and laser parameters of RE3+-doped Y2O3 and Sc2O3
Fornasiero, L
Mix, E
Peters, V
Petermann, K
Huber, G
[J]. CERAMICS INTERNATIONAL, 2000, 26 (06) : 589 - 592
[6] Czochralski growth and characterization of β-Ga2O3 single crystals
Galazka, Z.
Uecker, R.
Irmscher, K.
Albrecht, M.
Klimm, D.
Pietsch, M.
Bruetzam, M.
Bertram, R.
Ganschow, S.
Fornari, R.
[J]. CRYSTAL RESEARCH AND TECHNOLOGY, 2010, 45 (12) : 1229 - 1236
[7] Application of predominance diagrams in melt growth of oxides
Ganschow, S.
Schulz, D.
Klimm, D.
Bertram, R.
Uecker, R.
[J]. CRYSTAL RESEARCH AND TECHNOLOGY, 2010, 45 (12) : 1219 - 1224
[8] Hohne G., 2003, DIFFERENTIAL SCANNIN, P97
[9] An experimental study of the growth of zinc crystals by the Czochralski-Gomperz method
Hoyem, AG
Tyndall, EPT
[J]. PHYSICAL REVIEW, 1929, 33 (01): : 81 - 89
[10] The growth of ZnO crystals from the melt
Klimm, D.
Ganschow, S.
Schulz, D.
Fornari, R.
[J]. JOURNAL OF CRYSTAL GROWTH, 2008, 310 (12) : 3009 - 3013

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