The electron-phonon relaxation time in thin superconducting titanium nitride films

Autor:	Kardakova, A., Finkel, M., Morozov, D., Kovalyuk, V., An, P., Dunscombe, C., Tarkhov, M., Mauskopf, P., Klapwijk, T. M., Goltsman, G.
Rok vydání:	2013
Předmět:	Condensed Matter - Superconductivity Condensed Matter - Materials Science
Zdroj:	Appl. Phys. Lett., 103, 252602 (2013)
Druh dokumentu:	Working Paper
DOI:	10.1063/1.4851235
Popis:	We report on the direct measurement of the electron-phonon relaxation time, {\tau}eph, in disordered TiN films. Measured values of {\tau}eph are from 5.5 ns to 88 ns in the 4.2 to 1.7 K temperature range and consistent with a T-3 temperature dependence. The electronic density of states at the Fermi level N0 is estimated from measured material parameters. The presented results confirm that thin TiN films are promising candidate-materials for ultrasensitive superconducting detectors. Comment: 12 pages, 3 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1312.5966 Zobrazit plný text záznamu View this record from Arxiv