| | 1 | Author
| P. Schmidt, H. Oppermann | Requires cookie* | | | Title
| Zum System Bi20 3 /Bi2Se3/BiCl3,1. Das Zustandsdiagramm Bi20 3/Bi2Se3/BiCl3 On the System Bi20 3 /Bi2Se3/BiCl3,1. The Phase Diagram Bi20 3/B i2Se3/BiCl3  | | | | Abstract
| The phase relations in the quaternary system Bi/Se/O/Cl have been studied and the existence of several new compounds in the pseudotemary area Bi20 3/Bi2Se3/BiCl3 has been established by solid state and chemical vapour transport reactions. The phase diagram is derived from X-ray powder diffraction and thermal analysisdata, and from measurements of the decomposition pressure behaviour. Three new quaternary phases with different compositions exist in the system: Bi40 4SeCl2, Bi10O 12SeCl4 and Bi220 28SeCl8. By estimation of the thermodynamic data of the quaternary phases it is possible to calculate complex heterogeneous chemical equilibria between all the binary, ternary and quaternary compounds of the phase diagram. As a result, we can describe thermodynamically the observed phase relations and the direction of thermal decomposition of the respective compounds. | | | |
Reference
| Z. Naturforsch. 55b, 603—613 (2000); eingegangen am 2. April 2000 | | | |
Published
| 2000 | | | |
Keywords
| Bismuth-Selenides-Oxides-Halides, Phase Diagram, Thermodynamic Data | | | |
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| ZNB-2000-55b-0603 | | | | Volume
| 55 | |
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