Impact of Nonequilibrium Between Electrons and Phonons on Heat Tranfer in Metallic Nanoparticles Suspended in Dielectric Media  

Oleh:

Ju, Y. Sungtaek

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Heat Transfer vol. 127 no. 12 (Dec. 2005), page 1400-1402.
Topik: particles; electrons; phonons; heat transfer; metallic nanoparticles; dielectric media

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ90.10 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Controlled heating of nanoparticles is a key enabling technology for various nanomanufacturing and biomedical applications. A theoretical study of energy transport in nanoparticles is conducted to elucidate the role of electron - phonon spatial nonequilibrium in heat conduction across metal - dielectric interfaces. The continuum two - temperature heat conduction model is shown to capture the apparent size dependence of the thermal interface resistance of Au nanoparticle suspensions. Consideration of coupling between electrons and atomic vibrations is important in understanding energy transport in nanoscale metallic structures suspended in a dielectric medium.

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