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Temperature‐gradient‐double‐crucible method for high‐temperature solution growth
Author(s) -
Jung P. A.,
Schwabe D.,
Scharmann A.
Publication year - 1995
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.2170300109
Subject(s) - crucible (geodemography) , flux (metallurgy) , temperature gradient , solubility , atmospheric temperature range , melting temperature , analytical chemistry (journal) , superconductivity , high temperature superconductivity , materials science , crystal growth , solid solution , chemistry , mineralogy , thermodynamics , crystallography , condensed matter physics , metallurgy , chromatography , physics , composite material , computational chemistry , quantum mechanics
We report on a special technique for high‐temperature solution growth (flux‐), which can be used to grow compounds which have only a small solubility in the flux or only exist in a small existence range (concerning temperature and concentration). By two crucibles placed into one another, an inner growth region will be separated from an outer solution region. The regions are connected by holes in the inner crucible. By this method BaSO 4 crystals of high quality are grown from NaNO 3 flux and LiCl–KCl flux. Growth experiments using this method were done with the incongruently melting high‐temperature superconductor YBa 2 Cu 3 O 7‐δ .