UniversityofUtah MRSEC 1121252 Seed2013 Highlight FrancoeurRaeymaekers

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Next-Generation Materials for Plasmonics & Organic Spintronics Principal Investigators: Ajay Nahata, Michael Bartl & Ashutosh Tiwari NSF DMR 11-21252; www.mrsec.utah.edu Design, fabrication and characterization of Mie resonance-based three-dimensional metamaterials for tuning thermal radiative properties Spencer J. Petersen, Bart Raeymaekers and Mathieu Francoeur Objective: Demonstrate that Mie resonance-based metamaterials with isotropic electromagnetic responses can be used for tuning thermal radiative properties. Approach: Near-field energy density u w calculation performed by combining the effective medium theory with fluctuational electrodynamics. Results and Significance: Silicon-based metamaterials lead to resonance of the thermal near field in the near infrared at low temperature. These metamaterials will impact significantly low-grade waste heat recovery via thermophotovoltaic power generators. Energy density 50 nm above a Mie resonance-based metamaterial made of 100 nm Si spherical inclusions. Journal of Quantitative Spectroscopy and Radiative Transfer 129, 277 (2013)

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Design, fabrication and characterization of Mie resonance-based three-dimensional metamaterials for tuning thermal radiative properties Spencer J. Petersen, Bart Raeymaekers and Mathieu Francoeur. - PowerPoint PPT Presentation

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Design, fabrication and characterization of Mie resonance-based three-dimensional metamaterials for tuning thermal radiative propertiesSpencer J. Petersen, Bart Raeymaekers and Mathieu FrancoeurObjective: Demonstrate that Mie resonance-based metamaterials with isotropic electromagnetic responses can be used for tuning thermal radiative properties.Approach: Near-field energy density uw calculation performed by combining the effective medium theory with fluctuational electrodynamics. Results and Significance: Silicon-based metamaterials lead to resonance of the thermal near field in the near infrared at low temperature. These metamaterials will impact significantly low-grade waste heat recovery via thermophotovoltaic power generators.

Energy density 50 nm above a Mie resonance-based metamaterial made of 100 nm Si spherical inclusions.

Journal of Quantitative Spectroscopy and Radiative Transfer 129, 277 (2013)Next-Generation Materials forPlasmonics & Organic SpintronicsPrincipal Investigators: Ajay Nahata, Michael Bartl & Ashutosh TiwariNSF DMR 11-21252; www.mrsec.utah.edu

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