期刊
PHYSICAL REVIEW LETTERS
卷 118, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.118.126804
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资金
- European Union's Horizon research and innovation programme [696656]
- Fondazione Istituto Italiano di Tecnologia
- Spanish Ministry of Economy and Competitiveness through the Severo Ochoa Programme for Centres of Excellence in RD [SEV-2015-0522]
- Fundacio Cellex Barcelona
- Mineco Grants Ramon y Cajal [RYC-2012-12281]
- Plan Nacional [FIS2013-47161-P]
- Young Investigator Grant [FIS2014-59639-JIN]
- Government of Catalonia trough the SGR Grant [2014-SGR-1535]
- ERC StG CarbonLight [307806]
- ERC AdG FEMTO/NANO [338957]
- CERCA Programme/Generalitat de Catalunya
- ICFO
- European Research Council (ERC) [338957] Funding Source: European Research Council (ERC)
- ICREA Funding Source: Custom
Radiative heat transfer (RHT) between macroscopic bodies at separations that are much smaller than the thermal wavelength is ruled by evanescent electromagnetic modes and can be orders of magnitude more efficient than its far-field counterpart, which is described by the Stefan-Boltzmann law. In this Letter, we present a microscopic theory of RHT in van derWaals stacks comprising graphene and a natural hyperbolic material, i. e., hexagonal boron nitride (hBN). We demonstrate that RHT between hot carriers in graphene and hyperbolic phonon polaritons in hBN is extremely efficient at room temperature, leading to picosecond time scales for the carrier cooling dynamics.
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