University of California, Riverside

Department of Electrical and Computer Engineering



Balandin Group Research Highlighted by the US Department of Energy


Balandin Group Research Highlighted by the US Department of Energy
 
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Balandin Group Research Highlighted by the US Department of Energy

May 5, 2016

Balandin Group Research Highlighted by the US Department of Energy

The research conducted at the Phonon Optimized Engineered Materials (POEM) Center led by ECE Professor Alexander A. Balandin was highlighted at the web-site of the U.S. Department of Energy. The Newsletter of the DOE Office of Science described recent results obtained by Balandin Group showing the acoustic phonon confinement effects in nanoporous arrays. Phonons are quanta of vibrations of solid materials. Understanding the changes in the acoustic phonon spectrum induced by spatial confinement is important for fine-tuning of the heat propagation in nanometer scale structures and electronic devices. Investigation of the acoustic phonons was made possible by developing the Brillouin-Mandelstam spectroscopy tool at the POEM Center.  Fariborz Kargar – Research Assistant and PhD Candidate in Balandin group – was the first author of the paper published in the Applied Physics Letters. The research work was conducted in the framework of the Spins and Heat in Nanoscale Electronic Systems (SHINES) Center – DOE funded Energy Frontier Research Centers (EFRC) at UC Riverside.   

 

Link to DOE newsletter: http://www.energyfrontier.us/newsletter/201603/fine-tuning-heat-transport-nanoscale

Link to SHINES center: http://efrcshines.ucr.edu/

Link to paper: http://scitation.aip.org/content/aip/journal/apl/107/17/10.1063/1.4934883

 

Photo: Fariborz Kargar conducting spectroscopy measurements in the POEM Center, UC Riverside. 

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