CRYSTAL-STRUCTURE OF NEODYMIUM-ION-EXCHANGED BETA-ALUMINA

被引：6

作者：

TIETZ, F

URLAND, W

机构：

[1] Institut für Anorganische Chemie der Universität Hannover and Sonderforschungsbereich 173, D-3000 Hannover 1

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1992年 / 100卷 / 02期

关键词：

D O I：

10.1016/0022-4596(92)90099-H

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The structure of a neodymium-exchanged Na+-β-alumina crystal ( P63 mmc, Z = 2, a = 5.5848(8) Å, c = 22.406(5) Å) with the analytical composition Na0.08Nd0.38Al11O17.10 has been investigated by conventional X-ray diffraction methods at room temperature. The refinement (R = 0.0653, Rw = 0.0446) shows a highly disordered ion distribution in the conduction planes due to the high coulombic force of the Nd3+ ions which are preferentially located at BR sites. Structural properties are discussed in comparison with other crystal structure determinations of β-alumina isomorphs published recently. © 1992.

引用

页码：255 / 261

页数：7

共 22 条

[1] CONDUCTION MECHANISM IN NA+ BETA-AL2O3
BOCQUET, JF
LUCAZEAU, G
[J]. SOLID STATE IONICS, 1987, 24 (03) : 235 - 247
[2] STOICHIOMETRY FLUCTUATIONS IN DIVALENT RICH BETA-ALUMINA AND BETA''-ALUMINA
BOILOT, JP
COLOMBAN, P
LEE, MR
COLLIN, G
COMES, R
[J]. SOLID STATE IONICS, 1983, 9-10 (DEC) : 315 - 321
[3] CADMIUM-ION DISTRIBUTION AND MOTION IN BETA-ALUMINA - AN X-RAY-DIFFRACTION AND RAMAN-SCATTERING INVESTIGATION
CATTI, M
CAZZANELLI, E
IVALDI, G
MARIOTTO, G
[J]. PHYSICAL REVIEW B, 1987, 36 (18): : 9451 - 9460
[4] FASTER DATA-COLLECTION WITHOUT LOSS OF PRECISION - AN EXTENSION OF THE LEARNT PROFILE METHOD
CLEGG, W
[J]. ACTA CRYSTALLOGRAPHICA SECTION A, 1981, 37 (JAN): : 22 - 28
[5] SODIUM-ION DISTRIBUTION IN NA+ BETA-ALUMINA - A CRYSTALLOGRAPHIC CHALLENGE
EDSTROM, K
THOMAS, JO
FARRINGTON, GC
[J]. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 1991, 47 : 210 - 216
[6] STRUCTURAL ASPECTS OF THE NA+ -]CD-2+ ION-EXCHANGE PROCESS IN NA+ BETA-ALUMINA
EDSTROM, K
THOMAS, JO
FARRINGTON, GC
[J]. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 1991, 47 : 635 - 643
[7] A SINGLE-CRYSTAL X-RAY-DIFFRACTION STUDY OF THE ION-EXCHANGE OF CD-2+ INTO AG+ BETA-ALUMINA
EDSTROM, K
THOMAS, JO
FARRINGTON, GC
[J]. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 1991, 47 : 643 - 650
[8] DIVALENT BETA''-ALUMINAS - HIGH CONDUCTIVITY SOLID ELECTROLYTES FOR DIVALENT-CATIONS
FARRINGTON, GC
DUNN, B
[J]. SOLID STATE IONICS, 1982, 7 (04) : 267 - 281
[9] THE EQUIVALENT ISOTROPIC DISPLACEMENT FACTOR
FISCHER, RX
TILLMANNS, E
[J]. ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 1988, 44 : 775 - 776
[10] CRYSTAL-CHEMISTRY OF HEXAALUMINATES - BETA-ALUMINA AND MAGNETOPLUMBITE STRUCTURES
IYI, N
TAKEKAWA, S
KIMURA, S
[J]. JOURNAL OF SOLID STATE CHEMISTRY, 1989, 83 (01) : 8 - 19

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