Identification of the Domain Walls Configuration in the Ferroelastic Nanosize Material La_{0.95}Sr_{0.05}Ga_{0.9}Mg_{0.1}O_{3-x}

Savytskii, D.; Paulmann, C.; Bismayer, U.; Berkowski, M.

doi:10.12693/APhysPolA.117.62

Journal

Acta Physica Polonica A

2010 | 117 | 1 | 62-73

Article title

Identification of the Domain Walls Configuration in the Ferroelastic Nanosize Material La_{0.95}Sr_{0.05}Ga_{0.9}Mg_{0.1}O_{3-x}

Authors

D. Savytskii , C. Paulmann , U. Bismayer , M. Berkowski

Content

Full texts:

http://przyrbwn.icm.edu.pl/APP/PDF/117/a117z111.pdf [remote]

Title variants

Languages of publication

Abstracts

This paper deals with the identification of multidomain configuration in ferroelastic phases of La_{0.95}Sr_{0.05}Ga_{0.9}Mg_{0.1}O_{3-x} using polychromatic synchrotron X-ray radiation (Laue method). A nondestructive approach for the determination of domain misorientations, orientation of domain walls and their configuration in the nanosize ferroelastic domain structure was developed. The proposed approach can be used to study the nanosize ferroelastic domain structure in small crystals of submillimeter sizes at different external fields, including temperature. The ferroelastic domain structure in the orthorhombic as well as in the rhombohedral phases of La_{0.95}Sr_{0.05}Ga_{0.9}Mg_{0.1}O_{3-x} crystals has been identified. The intersection of walls leads to the formation of a chevron-like pattern. The observed reversibility of domain patterns during temperature cycles is probably caused by the interaction of domain boundaries with point defects, most likely oxygen vacancies.

Keywords

61.72.Mm 61.72.-y 61.50.Ah

Discipline

Publisher

Journal

Acta Physica Polonica A

Year

2010

Volume

117

Issue

Pages

62-73

Physical description

Dates

published

2010-01

Contributors

author

D. Savytskii

Lviv Polytechnic National University, 12 Bandera St., 79013 Lviv, Ukraine
SRC "Carat", 202 Stryjska St., 79031 Lviv, Ukraine

author

C. Paulmann

Universität Hamburg, Grindelallee 48, D-20146 Hamburg, Germany
HASYLAB, DESY, Notkestr. 85, D-22603 Hamburg, Germany

author

U. Bismayer

Universität Hamburg, Grindelallee 48, D-20146 Hamburg, Germany

author

M. Berkowski

Institute of Physics, al. Lotników 32/46, 02-668 Warsaw, Poland

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Document Type

Publication order reference

Identifiers

DOI

10.12693/APhysPolA.117.62

YADDA identifier

bwmeta1.element.bwnjournal-article-appv117z111kz