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Tunable infrared reflectance by phonon modulation

United States Patent

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March 6, 2018
View the Complete Patent at the US Patent & Trademark Office
The present invention pertains to the use of mobile coherent interfaces in a ferroelectric material to interact with optical phonons and, ultimately, to affect the material's optical properties. In altering the optical phonon properties, the optical properties of the ferroelectric material in the spectral range near-to the phonon mode frequency can dramatically change. This can result in a facile means to change to the optical response of the ferroelectric material in the infrared.
15/ 711,122
September 21, 2017
H01L 37/00 (20060101)C30B 29/24 (20060101)C30B 29/32 (20060101)C09K 13/00 (20060101)B24B 37/04 (20120101)
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.