METHOD OF OBTAINING BULK MONO-CRYSTALLINE GALLIUM-CONTAINING NITRIDE, BULK MONO-CRYSTALLINE GALLIUM-CONTAINING NITRIDE, SUBSTRATES MANUFACTURED THEREOF AND DEVICES MANUFACTURED ON SUCH SUBSTRATES

The invention is related to a method of obtaining bulk mono-crystalline gallium-containing nitride, comprising a step of seeded crystallization of mono-crystalline gallium-containing nitride from supercritical ammonia-containing solution, containing ions of Group I metals and ions of acceptor dopant...

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Hauptverfasser:	GARCZYNSKI JERZY, RUDZINSKI MARIUSZ, SIERZPUTOWSKI LESZEK PIOTR, DORADZINSKI ROMAN MAREK, DWILINSKI ROBERT TOMASZ
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF CRYSTAL GROWTH ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SEMICONDUCTOR DEVICES 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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Beschreibung
Zusammenfassung:	The invention is related to a method of obtaining bulk mono-crystalline gallium-containing nitride, comprising a step of seeded crystallization of mono-crystalline gallium-containing nitride from supercritical ammonia-containing solution, containing ions of Group I metals and ions of acceptor dopant, wherein at process conditions the molar ratio of acceptor dopant ions to supercritical ammonia-containing solvent is at least 0.0001. According to said method, after said step of seeded crystallization the method further comprises a step of annealing said nitride at the temperature between 950° C. and 1200° C., preferably between 950° C. and 1150° C. The invention covers also bulk mono-crystalline gallium-containing nitride, obtainable by the inventive method. The invention further relates to substrates for epitaxy made of mono-crystalline gallium-containing nitride and devices manufactured on such substrates.