Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 78: Issue 3
Phase equilibria in the CdI2-Bi2O3 system
Authors:
V. Vassilev University of Chemical Technology and Metallurgy 8 Kliment Ohridski blvd. 1756 Sofia Bulgaria E-mail 8 Kliment Ohridski blvd. 1756 Sofia Bulgaria E-mail

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V. Parvanova University of Chemical Technology and Metallurgy 8 Kliment Ohridski blvd. 1756 Sofia Bulgaria E-mail 8 Kliment Ohridski blvd. 1756 Sofia Bulgaria E-mail

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L. Aljihmani University of Chemical Technology and Metallurgy 8 Kliment Ohridski blvd. 1756 Sofia Bulgaria E-mail 8 Kliment Ohridski blvd. 1756 Sofia Bulgaria E-mail

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Pages:
981–989
Online Publication Date:
13 Jan 2005
Publication Date:
01 Dec 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-004-0464-x
Keywords:
phase diagram; phase equilibria; unit cell parameters
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Abstract  

The phase diagram of the system CdI2-Bi2O3 is studied by means of X-ray diffraction, differential thermal analysis and measurements of the density of the material. As a result of the synthetic and peritectic interactions, two incongruently melting intermediate phases i.e. phase A - CdI22Bi2O3 and phase B - CdI24Bi2O3 (stable in the temperature interval 370-850C) are formed. The phase A exists in two polymorphic forms with a temperature of the phase transition Ta↔b=320-370C. The unit cell parameters at low temperature modification of a-CdI22Bi2O3 were determined. (a=1.032 nm, b=1.046 nm, c=1.046 nm, α=115.02, β=109.11 and γ=82.04). The phases A and B have fields of homogeneity.

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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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