Transmission electron microscopy investigation of Bi2O3-ZnO-Nb2O5 pyrochlore and related phases

Juan C. Nino, Ian M. Reaney, Michael T. Lanagan, Clive A. Randall

Research output: Contribution to journalArticle

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Abstract

Transmission electron microscopy (TEM) study of the main phases in the Bi2O3-ZnO-Nb2O5 (BZN) system was performed. Electron diffraction patterns (EDP) revealed a conventional cubic pyrochlore structure, space group Fd3m for the Bi3/2ZnNb3/2O7 composition, and a monoclinic zirconolite-like structure, space group C2/c for the Bi2Zn2/3Nb4/3O7 composition. Dark field (DF) images gave evidence of stacking faults in the monoclinic phase along the 〈001〉 direction, which is consistent with the layered nature of the phase.

Original languageEnglish (US)
Pages (from-to)414-419
Number of pages6
JournalMaterials Letters
Volume57
Issue number2
DOIs
StatePublished - Dec 1 2002

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Transmission electron microscopy
transmission electron microscopy
Stacking faults
Chemical analysis
Electron diffraction
crystal defects
Diffraction patterns
diffraction patterns
electron diffraction
pyrochlore
Direction compound

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

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abstract = "Transmission electron microscopy (TEM) study of the main phases in the Bi2O3-ZnO-Nb2O5 (BZN) system was performed. Electron diffraction patterns (EDP) revealed a conventional cubic pyrochlore structure, space group Fd3m for the Bi3/2ZnNb3/2O7 composition, and a monoclinic zirconolite-like structure, space group C2/c for the Bi2Zn2/3Nb4/3O7 composition. Dark field (DF) images gave evidence of stacking faults in the monoclinic phase along the 〈001〉 direction, which is consistent with the layered nature of the phase.",
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Transmission electron microscopy investigation of Bi2O3-ZnO-Nb2O5 pyrochlore and related phases. / Nino, Juan C.; Reaney, Ian M.; Lanagan, Michael T.; Randall, Clive A.

In: Materials Letters, Vol. 57, No. 2, 01.12.2002, p. 414-419.

Research output: Contribution to journalArticle

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T1 - Transmission electron microscopy investigation of Bi2O3-ZnO-Nb2O5 pyrochlore and related phases

AU - Nino, Juan C.

AU - Reaney, Ian M.

AU - Lanagan, Michael T.

AU - Randall, Clive A.

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AB - Transmission electron microscopy (TEM) study of the main phases in the Bi2O3-ZnO-Nb2O5 (BZN) system was performed. Electron diffraction patterns (EDP) revealed a conventional cubic pyrochlore structure, space group Fd3m for the Bi3/2ZnNb3/2O7 composition, and a monoclinic zirconolite-like structure, space group C2/c for the Bi2Zn2/3Nb4/3O7 composition. Dark field (DF) images gave evidence of stacking faults in the monoclinic phase along the 〈001〉 direction, which is consistent with the layered nature of the phase.

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