1990
DOI: 10.1002/zaac.19905910111
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Zum Chemischen Transport von ScNbO4 mit Cl2 und NbCl5/Cl2 Experimente und Modellrechnungen

Abstract: Kristalle von ScNbO4 ließen sich mit Cl2 (Zusatz von PtCl2) oder mit einer Kombination von Cl2 und NbCl5 als Transportmittel im Temperaturgefälle erhalten (1100°C → 1000°C). Bestimmend für den Transport mit Cl2 ist das endotherme Gleichgewicht Bei Zugabe von NbCl5 sind die folgenden endothermen Reaktionen maßgeblich: . Obwohl die Lage der Gleichgewichte mit n = 1 und 2 viel günstiger ist als beim Transport mit Cl2, wird der beobachtete Transporteffekt durch die exotherme Reaktion ScCl3,g + Sc2Cl6,g = Sc… Show more

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Cited by 11 publications
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“…Thus one can obtain transport rates and amounts of deposited condensed phases, e.g., for the following systems: Si/SiAs/I 2 /H 2 O, Si/SiAs/As/H 2 O, Ti/O/Hg/Cl, Ti/O/Te/Cl, VP/I 2 /H 2 , V 2 O 5 /NH 4 Cl/H 2 O, Cr 2 O 3 /CrOCl/Cl 2 /H 2 O, , Cr 2 O 3 /Br 2 /H 2 O, Cr 2 O 3 /CrBr 3 /Br 2 /H 2 O, Cr 2 O 3 /HgCl 2 /H 2 O, Cr 2 O 3 /CrI 3 /I 2 /H 2 O, CrP/CrI 2 /I 2 /H 2 , CrBr 3 /Br 2 /H 2 O, MnP/MnI 2 /I 2 /H 2 , CoP/CoI 2 /I 2 /H 2 , Mo/MoBr 2 /HgBr 2 /H 2 O, MoO 2 /Mo 4 O 11 /HgCl 2 /H 2 O, MoO 2 /Mo 4 O 11 /HgBr 2 /H 2 O, Eu/Al/Cl, W/WO 2 /HgBr 2 /H 2 O, WO 2 /HgCl 2 /H 2 O, WO 2 /HgBr 2 /H 2 O, , WO 2 /W 18 O 49 /HgI 2 /H 2 O, WO 3 /HgCl 2 /H 2 O, Rh 2 O 3 /RhCl 3 /Cl 2 /H 2 O, ScNbO 4 /Cl 2 /H 2 O, ScNbO 4 /NbCl 5 /Cl 2 /H 2 O, MnNb 2 O 6 /Cl 2 /H 2 O, MnNb 2 O 6 /NH 4 Cl/H 2 O, CoNb 2 O 6 /Cl 2 /H 2 O, CoNb 2 O 6 /NH 4 Cl/H 2 O, CoNb 2 O 6 /HgCl 2 /H 2 O, NiNb 2 O 6 /Cl 2 /H 2 O, NiNb 2 O 6 /NH 4 Cl/H 2 O, Ga 2 (SO 4 ) 3 /HCl/H 2 O, Ga 2 (SO 4 ) 3 /Cl 2 /H 2 O, In 2 (SO 4 ) 3 /HCl/H 2 O, FeSO 4 /NH 4 Cl/H 2 O, Fe 2 (SO 4 ) 3 /Cl 2 /H 2 O, Fe 2 (SO 4 ) 3 /HCl/H 2 O, Fe 2 (SO 4 ) 3 /NH 4 Cl/H 2 O, Cr 2 (SO 4 ) 3 /Cl 2 /H 2 O, and Cr 2 (SO 4 ) 3 /HCl/H 2 O …”
Section: The Cooperative Transport Modelunclassified
“…Thus one can obtain transport rates and amounts of deposited condensed phases, e.g., for the following systems: Si/SiAs/I 2 /H 2 O, Si/SiAs/As/H 2 O, Ti/O/Hg/Cl, Ti/O/Te/Cl, VP/I 2 /H 2 , V 2 O 5 /NH 4 Cl/H 2 O, Cr 2 O 3 /CrOCl/Cl 2 /H 2 O, , Cr 2 O 3 /Br 2 /H 2 O, Cr 2 O 3 /CrBr 3 /Br 2 /H 2 O, Cr 2 O 3 /HgCl 2 /H 2 O, Cr 2 O 3 /CrI 3 /I 2 /H 2 O, CrP/CrI 2 /I 2 /H 2 , CrBr 3 /Br 2 /H 2 O, MnP/MnI 2 /I 2 /H 2 , CoP/CoI 2 /I 2 /H 2 , Mo/MoBr 2 /HgBr 2 /H 2 O, MoO 2 /Mo 4 O 11 /HgCl 2 /H 2 O, MoO 2 /Mo 4 O 11 /HgBr 2 /H 2 O, Eu/Al/Cl, W/WO 2 /HgBr 2 /H 2 O, WO 2 /HgCl 2 /H 2 O, WO 2 /HgBr 2 /H 2 O, , WO 2 /W 18 O 49 /HgI 2 /H 2 O, WO 3 /HgCl 2 /H 2 O, Rh 2 O 3 /RhCl 3 /Cl 2 /H 2 O, ScNbO 4 /Cl 2 /H 2 O, ScNbO 4 /NbCl 5 /Cl 2 /H 2 O, MnNb 2 O 6 /Cl 2 /H 2 O, MnNb 2 O 6 /NH 4 Cl/H 2 O, CoNb 2 O 6 /Cl 2 /H 2 O, CoNb 2 O 6 /NH 4 Cl/H 2 O, CoNb 2 O 6 /HgCl 2 /H 2 O, NiNb 2 O 6 /Cl 2 /H 2 O, NiNb 2 O 6 /NH 4 Cl/H 2 O, Ga 2 (SO 4 ) 3 /HCl/H 2 O, Ga 2 (SO 4 ) 3 /Cl 2 /H 2 O, In 2 (SO 4 ) 3 /HCl/H 2 O, FeSO 4 /NH 4 Cl/H 2 O, Fe 2 (SO 4 ) 3 /Cl 2 /H 2 O, Fe 2 (SO 4 ) 3 /HCl/H 2 O, Fe 2 (SO 4 ) 3 /NH 4 Cl/H 2 O, Cr 2 (SO 4 ) 3 /Cl 2 /H 2 O, and Cr 2 (SO 4 ) 3 /HCl/H 2 O …”
Section: The Cooperative Transport Modelunclassified