Ultrafast phase transition dynamics in GeSb alloys

Citation:

C. A. D. Roeser, A. M.-T. Kim, J. Paul Callan, E. Mazur, and J. Solis. 2001. “Ultrafast phase transition dynamics in GeSb alloys.” In . CLEO/QELS 2001.

Abstract:

We measure the femtosecond time resolved dielectric function of a-GeSb after excitation with an ultrashort laser pulse. The results reveal an ultrafast transition to a new non-thermodynamic phase that is not c-GeSb, as suggested elsewhere.