Dynamics of the in-plane charge separation front in a two-dimensional electron-hole gas

Physical Review B - Condensed Matter and Materials Physics

Volumn 71, Issue 4, 2005, Pages

  Chen, Gang ^a   Rapaport, Ronen ^a   Simon, Steven H ^a   Pfeiffer, Loren ^a   West, Ken ^a  

^a LUCENT TECHNOLOGIES   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; DIFFUSION; ELECTRON; GAS; MOLECULAR DYNAMICS; QUANTUM MECHANICS; STRUCTURE ANALYSIS;

EID: 15744369794     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.71.041301     Document Type: Article

References (11)

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3. R. Rapaport et al., Phys. Rev. Lett. 92, 117405 (2004); condmat/0308150 (unpublished).
4. R. Rapaport et al., Phys. Rev. Lett. 92, 117405 (2004); condmat/0308150 (unpublished).
5. L. V. Butov et al., Phys. Rev. Lett. 92, 117404 (2004).
6. Properties of Aluminum Galium Arsenide, edited by S. Adachi (INSPEC, London, 1993).
7. J. Shah, Hot Carriers in Semiconductor Nanostructures: Physics and Applications (Academic, New York, 1992).
8. D. Snoke et al., condmat/0406141 (unpublished).
9. K. H. Gulden et al., Phys. Rev. Lett. 66, 373 (1991).
10. M. Beck et al., Phys. Rev. B 64, 085307 (2001).
11. In the n-i-p-i superlattice structures, the electrons and holes are separated along the growth direction driven by the built-in electric field. The enhanced diffusion coefficient and the negligible optical recombination (due to the electron-hole separation) are both critical to the giant carrier diffusion. In the QW structures, however, the electrons and holes are confined in the same QW and separated in plane. A fast optical recombination is crucial for the electron depletion, the large charge separation, and the emission ring formation.