Growth of olivine single crystals by the micro‐pulling‐down method | Zendy

Ganschow S. | Zendy; Klimm D. | Zendy

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Growth of olivine single crystals by the micro‐pulling‐down method

Author(s) -

Ganschow S.,

Klimm D.

Publication year - 2005

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.200410351

Subject(s) - fayalite , magnetite , olivine , homogeneous , phase (matter) , oxygen pressure , mineralogy , materials science , analytical chemistry (journal) , core (optical fiber) , chemistry , oxygen , crystallography , chemical engineering , thermodynamics , metallurgy , composite material , chromatography , physics , organic chemistry , engineering

Olivine, (Mg 1‐ x Fe x ) 2 SiO 4 , crystals have been grown by the micro‐pulling‐down method. The crystals consisted of a homogeneous core and a surrounding peripheral rim with increased fayalite concentration and numerous second phase inclusions, mainly magnetite. The formation of magnetite could be successfully retarded by using an adapted atmosphere consisting of 5 vol% CO + 10 vol% CO 2 + 85 vol% Ar. This mixture yields an oxygen pressure well inside the predominance field of FeO over a wide temperature range. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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