Rhombic monohydrated dicalcium hexaborate as non-linear optical crystal and its growth process and application

A rhombic monohydrated dicalcium hexaborate as non-linear optical crystal is grown through such steps as mixing calcium with boric acid in mole ratio of 1:(3-8), putting the mixture in high-pressure reactor, filling water to 30-80% of fullness, putting crystal seeds, sealing, heating to 250-300 deg....

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Bibliographic Details
Main Authors FAN GUO, JUNXIN WANG, PEIZHEN FU
Format Patent
LanguageEnglish
Published 10.01.2001
Edition7
Subjects
AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
CHEMISTRY
CRYSTAL GROWTH
METALLURGY
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
SINGLE-CRYSTAL-GROWTH
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Summary:A rhombic monohydrated dicalcium hexaborate as non-linear optical crystal is grown through such steps as mixing calcium with boric acid in mole ratio of 1:(3-8), putting the mixture in high-pressure reactor, filling water to 30-80% of fullness, putting crystal seeds, sealing, heating to 250-300 deg.C, holding the temp for more than 2 days and slowly cooling. Its features easily available raw materials, low cost and easy operation. Obtained monocrystal has the length longer than 1cm and thickness higher than 2 mm, and is not deliquescent and dewated easily.
Bibliography:Application Number: CN1999110079