Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 69: Issue 3
Characterization of phase transition of Ba2-xSrxIn2O5 by thermal analysis and high temperature X-ray diffraction
Authors:
T. Hashimoto Nihon University 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan

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M. Yoshinaga Nihon University 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan

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Y. Ueda Nihon University 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan

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K. Komazaki Nihon University 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan

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K. Asaoka Nihon University 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan

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S. Wang Nihon University 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan 3-25-40 Sakurajousui Setagaya-ku, Tokyo 156-8550 Japan

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Pages:
909–917
Online Publication Date:
02 Nov 2004
Publication Date:
01 Jul 2002
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1020620425643
Keywords:
Ba2-xSrxIn2O5; phase diagram; quantitative DTA; structural phase transition; TG-DTA; dilatometry; high-temperature X-ray diffraction
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Abstract  

The phase transitions of Ba2-xSrxIn2O5 were investigated with various thermal analyses and high-temperature X-ray diffraction. It was clarified that crystal structure of Ba2-xSrxIn2O5 with x=0.0~0.4 varies from brownmillerite through distorted perovskite to another distorted perovskite with increase of temperature. The phase transition from brownmillerite to distorted perovskite was revealed to be first order, whereas transition from distorted perovskite to another one was second order. The specimen with x≥0.5 showed only one first order phase transition from brownmillerite to distorted perovskite. The phase diagram of Ba2-xSrxIn2O5 was established and existence of tricritical point at ~1100C with x=0.4~0.5 was suggested.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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