Universal Bottleneck for Thermal Relaxation in Disordered Metallic Films

• Published in: JETP letters Vol. 111; no. 2; pp. 104 - 108
• Main Authors: Baeva, E. M., Titova, N. A., Kardakova, A. I., Piatrusha, S. U., Khrapai, V. S.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 2020; Springer Nature B.V
• Subjects: Atomic; Biological and Medical Physics; Biophysics; Condensed Matter; Conduction heating; Conductive heat transfer; Electronic systems; Electrons; Heat; Molecular; Nanowires; Niobium nitride; Noise temperature; Optical and Plasma Physics; Particle and Nuclear Physics; Phonons; Physics; Physics and Astronomy; Quantum Information Technology; Scattering; Solid State Physics; Spintronics; Temperature dependence; Temperature profiles; Thermal relaxation

We study the heat relaxation in current biased metallic films in the regime of strong electron–phonon coupling. A thermal gradient in the direction normal to the film is predicted, with a spatial temperature profile determined by the temperature-dependent heat conduction. In the case of strong phono...