Lattice Matched III-V Nitride Heterostructures

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: N/A
Agency Tracking Number: 32041
Amount: $60,000.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1996
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
7 Commerce Drive, Danbury, CT, 06810
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Joan Redwing
 (203) 794-1100
Business Contact
Phone: () -
Research Institution
N/A
Abstract
The III-V nitrides have recently emerged as the primary material system for UV/blue light emitters. Higher bandgap energy (Al,Ga)N alloys are currently employed as cladding layers for GaN and (In,Ga)N active region LEDs and laser structures. Lattice mismatch between the cladding and active regions, however, restricts both the thickness and composition of the layers which in turn limits the operating efficiency of the devices. This is particularly problematic for the fabrication of high efficiency laser diodes. (Al,In)N is an alloy system which offers the potential to fabricate completely lattice matched III-V nitride heterostructures. There has been little work to date on the growth of high quality (Al,In)N and, as a result, many of the fundamental properties of this alloy system, such as bandgap energy, have never been experimentally verified. In this Phase I program, we will examine the feasibility of growing (Al,In)N alloys and (Al,Ga)N/GaN heterostructures by metal organic vapor phase epitaxy (MOVPE). This technology will serve as the foundation for high efficiency UV lasers to be fabricated in Phase II. Phase III will consist of further development and commercialization of these devices.

* Information listed above is at the time of submission. *

Agency Micro-sites

SBA logo
Department of Agriculture logo
Department of Commerce logo
Department of Defense logo
Department of Education logo
Department of Energy logo
Department of Health and Human Services logo
Department of Homeland Security logo
Department of Transportation logo
Environmental Protection Agency logo
National Aeronautics and Space Administration logo
National Science Foundation logo
US Flag An Official Website of the United States Government