Technique for the growth and fabrication of semipolar (Ga,A1,In,B)N thin films, heterostructures, and devices
First Claim
1. A method for growth and fabrication of semipolar (Ga,Al,In,B)N film, comprising:
- (a) selecting a semipolar growth orientation;
(b) selecting a gallium nitride (GaN) substrate compatible with growth of the selected semipolar growth orientation; and
(c) growing one or more planar semipolar (Ga,Al,In,B)N layers on a planar semipolar surface of the GaN substrate by metalorganic chemical vapor deposition (MOCVD), wherein the planar semipolar surface of the GaN substrate has the selected semipolar growth orientation, and an area and quality of the planar semipolar (Ga,Al,In,B)N layers parallel to the surface of the GaN substrate are sufficient to fabricate a semipolar (Ga,Al,In,B)N device.
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Abstract
A method for growth and fabrication of semipolar (Ga,Al,In,B)N thin films, heterostructures, and devices, comprising identifying desired material properties for a particular device application, selecting a semipolar growth orientation based on the desired material properties, selecting a suitable substrate for growth of the selected semipolar growth orientation, growing a planar semipolar (Ga,Al,In,B)N template or nucleation layer on the substrate, and growing the semipolar (Ga,Al,In,B)N thin films, heterostructures or devices on the planar semipolar (Ga,Al,In,B)N template or nucleation layer. The method results in a large area of the semipolar (Ga,Al,In,B)N thin films, heterostructures, and devices being parallel to the substrate surface.
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Citations
23 Claims
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1. A method for growth and fabrication of semipolar (Ga,Al,In,B)N film, comprising:
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(a) selecting a semipolar growth orientation; (b) selecting a gallium nitride (GaN) substrate compatible with growth of the selected semipolar growth orientation; and (c) growing one or more planar semipolar (Ga,Al,In,B)N layers on a planar semipolar surface of the GaN substrate by metalorganic chemical vapor deposition (MOCVD), wherein the planar semipolar surface of the GaN substrate has the selected semipolar growth orientation, and an area and quality of the planar semipolar (Ga,Al,In,B)N layers parallel to the surface of the GaN substrate are sufficient to fabricate a semipolar (Ga,Al,In,B)N device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A semipolar (Ga,Al,In,B)N film, comprising:
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(a) a semipolar growth orientation; (b) a gallium nitride (GaN) substrate compatible with growth of the selected semipolar growth orientation; and (c) one or more planar semipolar (Ga,Al,In,B)N layers on a planar semipolar surface of the GaN substrate, wherein the planar semipolar surface of the GaN substrate has the selected semipolar growth orientation, and an area and quality of the planar semipolar (Ga,Al,In,B)N layers parallel to the surface of the GaN substrate are sufficient to fabricate a semipolar (Ga,Al,In,B)N device. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification