Kinetic coefficients for d-band metals in two-temperature states created by femtosecond laser irradiation

Kirill P. Migdal; Yurii V. Petrov; Nail A. Inogamov

doi:10.1117/12.2053172

28 November 2013 Kinetic coefficients for d-band metals in two-temperature states created by femtosecond laser irradiation

Kirill P. Migdal, Yurii V. Petrov, Nail A. Inogamov

Author Affiliations +

Proceedings Volume 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013; 906503 (2013) https://doi.org/10.1117/12.2053172
Event: Fundamentals of Laser Assisted Micro- and Nanotechnologies 2013, 2013, St. Petersburg, Russian Federation

Abstract

Two-temperature thermal conductivity coefficient κ, and electron-ion coupling parameter o: are obtained using Boltzmann kinetic equation in the relaxation time approximation. These coefficients are necessary for the quantitative description of the two-temperature state with hot electrons T_e much greater than T_i created as result of absorption of femtosecond laser pulse. Simple, noble, and transition metals are considered. An influence of d- band electrons, which play a significant role, has been evaluated for two latter groups of metals.

Citation Download Citation

Kirill P. Migdal, Yurii V. Petrov, and Nail A. Inogamov "Kinetic coefficients for d-band metals in two-temperature states created by femtosecond laser irradiation", Proc. SPIE 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013, 906503 (28 November 2013); https://doi.org/10.1117/12.2053172

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