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- Kim, Dai-Sik
- Nano Optics Group
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STUDY OF COOLING OF HOT CARRIERS AND INTERVALLEY SCATTERING IN IN0.53GA0.47AS BY SUBPICOSECOND RAMAN-SCATTERING
- Issued Date
- 1990-04
- DOI
- 10.1063/1.103133
- Citation
- APPLIED PHYSICS LETTERS, v.56, no.16, pp.1570 - 1572
- Abstract
- Subpicosecond laser pulses have been used to excite and probe photoexcited hot‐electron plasma in In0.53 Ga0.47 As by Raman scattering. Hot‐electron temperatures have been measured as a function of the length of subpicosecond pulses. Cooling of the hot electrons is compared with a model calculation in which the cooling mechanism is dominated by intervalley scattering. The Γ to L intervalley deformation potential in In0.53 Ga0.47 As was determined to be around 3.5×108 eV/cm.
- Publisher
- AMER INST PHYSICS
- ISSN
- 0003-6951
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