Properties of the Phonon Gas in Ultrathin Membranes at Low Temperature

6533b852fe1ef96bd12ab773

RESEARCH PRODUCT

Properties of the Phonon Gas in Ultrathin Membranes at Low Temperature

Jukka P. Pekola J. K. Suoknuuti Dragoş-victor Anghel M. Manninen M. M. Leivo

subject

Condensed Matter::Materials Science Membrane Materials science Condensed matter physics Distribution (number theory)Phonon Condensed Matter::Superconductivity Crossover General Physics and Astronomy Thermal conduction

description

We analyze heat conduction by phonons in ultrathin membranes by constructing a new theoreticalframework which implies a crossover from a bulk three-dimensional phonon distribution into a quasi-two-dimensional distribution when the temperature is lowered. We calculate the corresponding changesin the relevant thermodynamic quantities. At the end we make a comparison to experimental data.[S0031-9007(98)07273-1]

year	journal	country	edition	language
1998-10-05	Physical Review Letters

https://doi.org/10.1103/physrevlett.81.2958

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