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Phonon poiseuille flow in quasi-one-dimensional single crystals (CROSBI ID 77207)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Smontara, Ana ; Lasjaunias, Jean Claude ; Maynard, Roger Phonon poiseuille flow in quasi-one-dimensional single crystals // Physical review letters, 77 (1996), 27; 5397-5400. doi: 10.1103/PhysRevLett.77.5397

Podaci o odgovornosti

Smontara, Ana ; Lasjaunias, Jean Claude ; Maynard, Roger

engleski

Phonon poiseuille flow in quasi-one-dimensional single crystals

New thermal conductivity K(T) mesaurements of quasi-one-dimensional single crystals (Ta_1-xNb_xSe_4)_2I (x = 0, 0.008, 0.01) are reported in the range 60 mK-6 K. K(T) clearly shows exceptionally sharp peaks in the vicinity of 1 K. We argue that this behavior comes from the effect of phonon Poiseuille flow in these systems originating from their strong anharmonicity amplified by the lattice anisotropy.

thermal conductivity ; (TaSe4)2I ; anharmonicity ; phonon Poiseuille flow

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Podaci o izdanju

77 (27)

1996.

5397-5400

objavljeno

0031-9007

1079-7114

10.1103/PhysRevLett.77.5397

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Fizika

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