Control of basal plane dislocations in large aluminum nitride crystals

In various embodiments, aluminum nitride single crystals are rapidly diameter-expanded during growth and have large crystal augmentation parameters. The aluminum nitride single crystals advantageously have low densities of basal plane dislocations and large substrate versatility metrics.

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Bibliographische Detailangaben
Hauptverfasser:	Grandusky, James, Chen, Jianfeng, Mark, Justin, Bondokov, Robert T, Branagan, Sean P, Hogan, Kasey
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY COMPOUNDS THEREOF CRYSTAL GROWTH INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS 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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Beschreibung
Zusammenfassung:	In various embodiments, aluminum nitride single crystals are rapidly diameter-expanded during growth and have large crystal augmentation parameters. The aluminum nitride single crystals advantageously have low densities of basal plane dislocations and large substrate versatility metrics.