✦ LIBER ✦
Time-resolved ultrafast spectroscopy of coherent optical phonons and charge carriers in tetragonal mercuric iodide
✍ Scribed by L.R. Williams; R.J.M. Anderson; M.J. Banet
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 567 KB
- Volume
- 182
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Subpicosecond time-resolved transient grating experiments were performed in mercuric iodide, a wide bandgap semiconductor.
Hot carriers created by two-photon absorption cooled within a few picoseconds to form the free exciton. The free exciton lifetime was 1.8 k 0.2 ns. Coherent Raman excitation of the 1 I4 cm