USA As Represented by Secretary of the Navy

Zhe Cheng

Karl D Hobart

Travis J Anderson

Marko J Tadjer

Andrew D Koehler

Tatyana I Feygelson

Mark Goorsky

Samuel Graham, Jr

Luke Yates

Tingyu Bai

Yekan Wang

A method for growing polycrystalline diamond films having engineered grain growth and microstructure. Grain growth of a polycrystalline diamond film on a substrate is manipulated by growing the diamond on a nanopatterned substrate having features on the order of the initial grain size of the diamond film. By growing the diamond on such nanopatterned substrates, the crystal texture of a polycrystalline diamond film can be engineered to favor the preferred &#x3c;110&#x3e; orientation texture, which in turn enhances the thermal conductivity of the diamond film.

Diamond on nanopatterned substrate

Growing community of inventors

Atlanta, GA, United States of America

Zhe Cheng