Microstructures of some Bi-W-Nb-O phases

Wuzong Zhou

doi:10.1006/jssc.2001.9431

Microstructures of some Bi-W-Nb-O phases

Research output: Contribution to journal › Article › peer-review

Abstract

Microstructures of three Bi-W-Nb-O phases have been examined by using high-resolution transmission electron microscopy. Bi17W2Nb3O39, and Bi17WNb3O36 have incommensurate superstructures derived from the defect fluorite-type delta-Bi2O3 and can be regarded as intermediate phases between the type II solid solutions in the Bi-Nb-O and Bi-W-O systems. Bi8W2M2O23 has a Bi2WO6-like subunit cell with a stepped superstructure. Formation mechanisms of various superstructures are discussed. (C) 2002 Elsevier Science.

Original language	English
Pages (from-to)	479-483
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	163
DOIs	https://doi.org/10.1006/jssc.2001.9431
Publication status	Published - 1 Feb 2002

Keywords

transmission electron microscopy
Bi17W2Nb3O39
Bi17WNb3O36
incommensurate superstructures
Bi2O3
solid solutions
Bi8W2Nb2O23
Bi2WO6
AURIVILLIUS PHASES
ION CONDUCTORS
SOLID-SOLUTION
BI2O3-NB2O5
SYSTEM
CONDUCTIVITY
DIFFRACTION
BI2WO6
BI2O3

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10.1006/jssc.2001.9431

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title = "Microstructures of some Bi-W-Nb-O phases",

abstract = "Microstructures of three Bi-W-Nb-O phases have been examined by using high-resolution transmission electron microscopy. Bi17W2Nb3O39, and Bi17WNb3O36 have incommensurate superstructures derived from the defect fluorite-type delta-Bi2O3 and can be regarded as intermediate phases between the type II solid solutions in the Bi-Nb-O and Bi-W-O systems. Bi8W2M2O23 has a Bi2WO6-like subunit cell with a stepped superstructure. Formation mechanisms of various superstructures are discussed. (C) 2002 Elsevier Science.",

keywords = "transmission electron microscopy, Bi17W2Nb3O39, Bi17WNb3O36, incommensurate superstructures, Bi2O3, solid solutions, Bi8W2Nb2O23, Bi2WO6, AURIVILLIUS PHASES, ION CONDUCTORS, SOLID-SOLUTION, BI2O3-NB2O5, SYSTEM, CONDUCTIVITY, DIFFRACTION, BI2WO6, BI2O3",

author = "Wuzong Zhou",

year = "2002",

month = feb,

day = "1",

doi = "10.1006/jssc.2001.9431",

language = "English",

volume = "163",

pages = "479--483",

journal = "Journal of Solid State Chemistry",

issn = "0022-4596",

publisher = "Academic Press/Elsevier ",

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T1 - Microstructures of some Bi-W-Nb-O phases

AU - Zhou, Wuzong

PY - 2002/2/1

Y1 - 2002/2/1

N2 - Microstructures of three Bi-W-Nb-O phases have been examined by using high-resolution transmission electron microscopy. Bi17W2Nb3O39, and Bi17WNb3O36 have incommensurate superstructures derived from the defect fluorite-type delta-Bi2O3 and can be regarded as intermediate phases between the type II solid solutions in the Bi-Nb-O and Bi-W-O systems. Bi8W2M2O23 has a Bi2WO6-like subunit cell with a stepped superstructure. Formation mechanisms of various superstructures are discussed. (C) 2002 Elsevier Science.

AB - Microstructures of three Bi-W-Nb-O phases have been examined by using high-resolution transmission electron microscopy. Bi17W2Nb3O39, and Bi17WNb3O36 have incommensurate superstructures derived from the defect fluorite-type delta-Bi2O3 and can be regarded as intermediate phases between the type II solid solutions in the Bi-Nb-O and Bi-W-O systems. Bi8W2M2O23 has a Bi2WO6-like subunit cell with a stepped superstructure. Formation mechanisms of various superstructures are discussed. (C) 2002 Elsevier Science.

KW - transmission electron microscopy

KW - Bi17W2Nb3O39

KW - Bi17WNb3O36

KW - incommensurate superstructures

KW - Bi2O3

KW - solid solutions

KW - Bi8W2Nb2O23

KW - Bi2WO6

KW - AURIVILLIUS PHASES

KW - ION CONDUCTORS

KW - SOLID-SOLUTION

KW - BI2O3-NB2O5

KW - SYSTEM

KW - CONDUCTIVITY

KW - DIFFRACTION

KW - BI2WO6

KW - BI2O3

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U2 - 10.1006/jssc.2001.9431

DO - 10.1006/jssc.2001.9431

M3 - Article

SN - 0022-4596

VL - 163

SP - 479

EP - 483

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

ER -

Microstructures of some Bi-W-Nb-O phases

Abstract

Keywords

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