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On the preparation of tungsten oxides by chemical transport with TeCl 4
Author(s) -
Oppermann H.,
Srtöver G.,
Wolf E.
Publication year - 1985
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170200702
Subject(s) - tungsten trioxide , tungsten , phase (matter) , monocrystalline silicon , inorganic chemistry , materials science , tungsten compounds , chemistry , metallurgy , organic chemistry , silicon
The Tungsten oxides WO 3 , W 20 O 59 , W 18 O 49 and WO 2 have been transported by TeCl 4 in monocrystalline Form. W 3 O is not a equilibrium phase of the system, and therefore it is impossible to obtain this phase by CTR. The value of the lower phase boundary of tungsten trioxide is 2.96.