Nature of domains in lanthanum calcium cobaltite perovskite revealed by atomic resolution Z-contrast and electron energy loss spectroscopy

U. Bangert; U. Falke; A. Weidenkaff

doi:10.1016/j.mseb.2006.04.044

Nature of domains in lanthanum calcium cobaltite perovskite revealed by atomic resolution Z-contrast and electron energy loss spectroscopy

U. Bangert, U. Falke, A. Weidenkaff

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

Abstract

Lamella-type planar features in La0.6Ca0.4CoO3 perovskite were investigated in a dedicated scanning transmission electron microscope. Atomic resolution Z-contrast imaging and modelling, along with electron energy loss spectroscopy, gave evidence these features could be Ca-enriched domains of the rock salt structure in the perovskite lattice. Z-contrast of a second type of planar fault, occurring after repeated investigations in the electron microscope, suggests formation of ordered O-vacancy arrangements on Co-O planes. © 2006 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	30-36
Number of pages	6
Journal	Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume	133
Issue number	1-3
DOIs	https://doi.org/10.1016/j.mseb.2006.04.044
Publication status	Published - 25 Aug 2006

Keywords

Batteries
Defect formation
Electron energy loss spectroscopy
Electron microscopy

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10.1016/j.mseb.2006.04.044

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title = "Nature of domains in lanthanum calcium cobaltite perovskite revealed by atomic resolution Z-contrast and electron energy loss spectroscopy",

abstract = "Lamella-type planar features in La0.6Ca0.4CoO3 perovskite were investigated in a dedicated scanning transmission electron microscope. Atomic resolution Z-contrast imaging and modelling, along with electron energy loss spectroscopy, gave evidence these features could be Ca-enriched domains of the rock salt structure in the perovskite lattice. Z-contrast of a second type of planar fault, occurring after repeated investigations in the electron microscope, suggests formation of ordered O-vacancy arrangements on Co-O planes. {\textcopyright} 2006 Elsevier B.V. All rights reserved.",

keywords = "Batteries, Defect formation, Electron energy loss spectroscopy, Electron microscopy",

author = "U. Bangert and U. Falke and A. Weidenkaff",

year = "2006",

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doi = "10.1016/j.mseb.2006.04.044",

language = "English",

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Nature of domains in lanthanum calcium cobaltite perovskite revealed by atomic resolution Z-contrast and electron energy loss spectroscopy. / Bangert, U.; Falke, U.; Weidenkaff, A.

In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology, Vol. 133, No. 1-3, 25.08.2006, p. 30-36.

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

TY - JOUR

T1 - Nature of domains in lanthanum calcium cobaltite perovskite revealed by atomic resolution Z-contrast and electron energy loss spectroscopy

AU - Bangert, U.

AU - Falke, U.

AU - Weidenkaff, A.

PY - 2006/8/25

Y1 - 2006/8/25

N2 - Lamella-type planar features in La0.6Ca0.4CoO3 perovskite were investigated in a dedicated scanning transmission electron microscope. Atomic resolution Z-contrast imaging and modelling, along with electron energy loss spectroscopy, gave evidence these features could be Ca-enriched domains of the rock salt structure in the perovskite lattice. Z-contrast of a second type of planar fault, occurring after repeated investigations in the electron microscope, suggests formation of ordered O-vacancy arrangements on Co-O planes. © 2006 Elsevier B.V. All rights reserved.

AB - Lamella-type planar features in La0.6Ca0.4CoO3 perovskite were investigated in a dedicated scanning transmission electron microscope. Atomic resolution Z-contrast imaging and modelling, along with electron energy loss spectroscopy, gave evidence these features could be Ca-enriched domains of the rock salt structure in the perovskite lattice. Z-contrast of a second type of planar fault, occurring after repeated investigations in the electron microscope, suggests formation of ordered O-vacancy arrangements on Co-O planes. © 2006 Elsevier B.V. All rights reserved.

KW - Batteries

KW - Defect formation

KW - Electron energy loss spectroscopy

KW - Electron microscopy

U2 - 10.1016/j.mseb.2006.04.044

DO - 10.1016/j.mseb.2006.04.044

M3 - Article

VL - 133

SP - 30

EP - 36

JO - Materials Science and Engineering B: Solid-State Materials for Advanced Technology

JF - Materials Science and Engineering B: Solid-State Materials for Advanced Technology

SN - 0921-5107

IS - 1-3

ER -

Nature of domains in lanthanum calcium cobaltite perovskite revealed by atomic resolution Z-contrast and electron energy loss spectroscopy

Abstract

Keywords

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