PROCESS AND APPARATUS FOR OBTAINING BULK MONO-CRYSTALLINE GALLIUM-CONTAINING NITRIDE

THE PRESENT INVENTION REFERS TO AN AMMONOBASIC METHOD FOR PREPARING A GALLIUM-CONTAINING NITRIDE CRYSTAL, IN WHICH GALLIUM-CONTAINING FEEDSTOCK IS CRYSTALLIZED ON AT LEAST ONE CRYSTALLIZATION SEED IN THE PRESENCE OF AN ALKALI METAL-CONTAINING COMPONENT IN A SUPERCRITICAL NITROGEN-CONTAINING SOLVENT....

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Hauptverfasser:	ROBERT DWILINSKI, ROMAN DORADZINSKI, JERZY GARCZYNSKI, LESZEK P. SIERZPUTOWSKI, YASUO KANBARA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CRYSTAL GROWTH DEVICES USING STIMULATED EMISSION ELECTRICITY INORGANIC CHEMISTRY 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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Zusammenfassung:	THE PRESENT INVENTION REFERS TO AN AMMONOBASIC METHOD FOR PREPARING A GALLIUM-CONTAINING NITRIDE CRYSTAL, IN WHICH GALLIUM-CONTAINING FEEDSTOCK IS CRYSTALLIZED ON AT LEAST ONE CRYSTALLIZATION SEED IN THE PRESENCE OF AN ALKALI METAL-CONTAINING COMPONENT IN A SUPERCRITICAL NITROGEN-CONTAINING SOLVENT. THE METHOD CAN PROVIDE MONOCRYSTALLINE GALLIUM-CONTAINING NITRIDE CRYSTALS HAVING A VERY HIGH QUALITY.