Jaime A Freitas

US Patent:

7790230, Sep 7, 2010

Filed:

Jan 30, 2008

Appl. No.:

12/022178

Inventors:

Michael A Mastro - Alexandria VA, US
Jaime A. Freitas - Burke VA, US
Jihyun Kim - Incheon, KR

Assignee:

The United States of America as represented by the Secretary of the Navy - Washington DC

International Classification:

C23C 16/08

US Classification:

42725539, 427255394, 427166, 2041921

Abstract:

A method of deposition by: depositing a metal halide on a substrate; providing a vapor that forms a material by way of chemical vapor deposition; heating the metal halide to a temperature at or above the melting point of the metal halide and at or below the melting point of the material; and contacting the metal halide with the vapor to cause growth on the substrate of a solid solution of the metal halide in the material. The metal is a rare earth metal or a transition metal.

US Patent:

7482674, Jan 27, 2009

Filed:

Dec 17, 2007

Appl. No.:

11/957544

Inventors:

Jaime A. Freitas - Burke VA, US
Larry B. Rowland - Scotia NY, US

Assignee:

The United States of America as represented by the Secretary of the Navy - Washington DC

International Classification:

H01L 29/12
H01L 21/36

US Classification:

257613, 438478

Abstract:

An article of manufacture having a substrate having a top surface and a first layer on the top surface. The top surface contains titanium carbide, vanadium carbide, zirconium carbide, niobium carbide, hafnium carbide, tantalum carbide, tungsten carbide, chromium nitride, molybdenum nitride, tungsten nitride, titanium nitride, vanadium nitride, zirconium nitride, or a combination thereof. The first layer contains one or more group III-V metal nitrides.