Picosecond Laser Studies of Nonequilibrium Electron Heating in Copper

  • G. L. Eesley
Conference paper
Part of the Springer Series in Chemical Physics book series (CHEMICAL, volume 38)


The phenomenon of inequality between the electron and lattice temperatures in metals has been the subject of theoretical investigation for nearly thirty years [1,2]. The existence of such a nonequilibrium situation was postulated on the basis of the small specific heat of the electron gas, which is thermally insulated from the lattice for ultra-short time durations. Although electron-phonon (e-p) collision times are on the order of 0.01 psec at room temperature, several collisions between hot electrons (~]1 eV) and phonons (~0.02 eV) are required for equilibration (~0.5 psec).


Probe Pulse Lattice Temperature Collision Time Picosecond Laser Picosecond Laser Pulse 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • G. L. Eesley
    • 1
  1. 1.Physics DepartmentGeneral Motors Research LaboratoriesWarrenUSA

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