In a recent study conducted by researchers from the University of Gothenburg, it was found that high-quality, nanocrystalline resonators can have a significantly higher resonance frequency in the infrared spectrum than previously thought possible. The findings could have major implications for the development of new technologies, such as infrared laser communication systems and infrared spectroscopy.

The researchers used nanocrystalline resonators made of zinc oxide, which is an abundant, low-cost material. By using a combination of high-resolution transmission electron microscopy, Raman spectroscopy, and other techniques, they were able to measure the crystal resonances with an unprecedented level of accuracy. The results showed that the crystal resonances were around ten times larger than expected, and that the resonators could be tuned to resonate at frequencies up to 100 gigahertz. This is significantly higher than the resonance frequencies of other materials, such as silicon and gallium arsenide.

The results of this study suggest that high-quality nanocrystalline resonators could be used to develop new technologies that utilize the infrared spectrum. This could revolutionize the way we communicate and measure things.

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source: Phys.org