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Event Scheduled for Oct 26, 2018


Event: MSE Seminar Speaker - Dr. Boris Feigelson

Location: IMS-20

Time: 09:45 am

Details of Event:
Materials Science and Engineering invites you to a seminar by:

Dr. Boris Feigelson
Research Scientist, United States Naval Research Laboratory (NRL)
Friday, October 26, 2018
Institute of Materials Science Building, Room 20, at 9:45 a.m.
Refreshments will be served at 9:30 a.m.

“Laboratory Grown Diamonds, Insider Story”

Abstract: With the advent of the first crystals grown by man, diamond became the Holy Grail for crystal growers. Scientists made numerous unsuccessful attempts between 1879 and 1954 to make diamond, and finally the first man-made diamond was demonstrated in 1954 by GE.
Where is the diamond making technology now? How are the large single crystal diamonds actually grown in the lab?
It is well known that diamond is an exceptional material with extraordinary properties and unique combination of properties. It is not only the hardest known material with the highest elastic modulus, but it is also an ultimate wide bandgap semiconductor with the highest thermal conductivity which is 5 times higher than copper. Diamond also has a unique combination of optical properties in IR, visible, UV and X-ray range including low absorption, high refractive index, high threshold of radiation damage and thermal stability. It is a superior host for coherent optic centers in quantum applications and, let us not forget, that diamond is also extremely chemically inert.
Due to the unique combination of diamond properties, the future of solid state electronics in the 1990s, was often associated with this most compelling electronic material.
Is it happening now? Will it happen?
While exploring these questions, I will give an overview of diamond synthesis with focus on High Pressure-High Temperature technology and its future.

Bio: Dr. Boris Feigelson is a research scientist at the U.S. Naval Research Laboratory (NRL) in Washington DC. Before joining NRL, Dr. Feigelson developed the BARS diamond growth technology while working in the Institute of Monocrystals, Siberian Branch of the Soviet Academy of Science, Novosibirsk (1981-1991). His group was the first in the Soviet Union to produce large gem-quality, single crystal diamonds. He continued this development when he founded the first Soviet single crystal diamond research and production enterprise, Adamas in Minsk, Belarus (1991-1993), and when he built and worked as director in the Research Center Basis (later Advanced Optic Technologies) in Moscow (1993-2001). His work was featured in BBC Broadcast: The Diamond Makers, 1999, PBS/NOVA Broadcast: The Diamond Deception, 2000, and BBC Broadcast: Diamond Labs, 2004.
Since joining NRL in 2001, he has focused on the advancements in growth processes for several different materials systems including: novel approaches for bulk GaN growth from solution, CVD growth of 2D materials specifically graphene and h-BN, and unique approaches for attaining engineered nanostructured solids. He is the lead inventor and developer of symmetric multicycle rapid annealing (SMRTA) process for implant impurity activation in III-nitrides using metastable annealing conditions. Additionally, he established the Environmentally Controlled Pressure Assisted Sintering (EC-PAS) laboratory at NRL, a uniquely designed facility enabling a new way to process and sinter nanopowders, which has been used to demonstrate the first fully dense nanoceramics with grain size smaller than 4 nm. Moreover, this unique system has the capability of coating nanopowders with thin ALD films for added functionality in flexibility in the design of new ceramics.
In 2014, he received Dr. Delores M. Etter Top Scientist and Engineer of the Year for these efforts.

Target Audience: Not Available

Sponsored By: Materials Science and Engineering Program

Pamphlet/Flyer: No Pamphlet/Flyer Available

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