The effect of Auger heating on intraband carrier relaxation in semiconductor quantum rods

Nature Physics

Volumn 2, Issue 8, 2006, Pages 557-561

  Achermann, Marc ^a   Bartko, Andrew P ^a   Hollingsworth, Jennifer A ^a   Klimov, Victor I ^a  

^a LOS ALAMOS NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INTRABAND CARRIER RELAXATION; SEMICONDUCTOR QUANTUM RODS;

EID: 33746734834     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys363     Document Type: Article

References (20)

1. Alivisatos, A. P. Semiconductor clusters, nanocrystals, and quantum dots. Science 271, 933-937 (1996).
2. Efros, Al. L., Kharchenko, V A. & Rosen, M. Breaking the phonon bottleneckin nanometer quantum dots: Role of Auger-like processes. Solid State Commun. 93, 281-284 (1995).
3. Klimov, V I. & McBranch, D. W. Femtosecond 1P-to-1S electron relaxation in strongly confined semiconductor nanocrystals. Phys. Rev. Lett. 80, 4028-4031 (1998).
4. Guyot-Sionnest, P., Shim, M., Matranga, C. & Hines, M. Intraband relaxation in CdSe quantum dots. Phys. Rev. B 60, R2181-R2184 (1999).
5. Mohamed, M. B., Burda, C. & El-Sayed, M. A. Shape dependent ultrafast relaxation dynamics of CdSe nanocrystals: Nanorods vs nanodots. Nano Lett. 1, 589-593 (2001).
6. Chepic, D. I. et al. Auger ionization of semiconductor quantum drops in a glass matrix. J. Lumin. 47, 113-127 (1990).
7. Klimov, V I., Mikhailovsky, A. A., McBranch, D. W., Leatherdale, C. A. & Bawendi, M. G. Quantization of multiparticle Auger rates in semiconductor quantum dots. Science 287, 1011-1013 (2000).
8. Htoon, H., Hollingsworth, J. A., Dickerson, R Se Klimov, V. I. Effect of zero-dimensional to one-dimensional transformation on Auger recombination in semiconductor quantum rods. Phys. Rev. Lett. 91, 227401 (2003).
9. Wang, L.-W., Califano, M., Zunger, A.& Franceschetti, A. Pseudopotential theory of Auger processes in CdSe quantum dots. Phys. Rev. Lett. 91, 056404 (2003).
10. Downer, M. C. & Shank, C.V. Ultrafast heating of silicon on sapphire by femtosecond optical pulses. Phys. Rev. Lett. 56, 761-764 (1986).
11. Borri, P., Ceccherini, S., Gurioli, M. & Bogani, F. Auger heating of carriers in GaAs/AlAs heterostructures. Solid State Commun. 103, 77-81 (1997).
12. Klimov, V., Raring Bolivar, F. Se Kurz, H. Hot-phonon effects in femtosecond luminescence spectra of electron-hole plasmas in CdS. Phys. Rev. B 52, 4728-4731 (1995).
13. Murray, C. B.,Norris, D. J. & Bawendi, M. G. Synthesis and characterization of nearly monodisperse CdE (E=S, Se,Te) semiconductor nanocrystallites. J. Am. Chem. Soc. 115, 8706-8715 (1993).
14. Manna, L., Scher, E. C. & Alivisatos, A. F. Synthesis of soluble and processable rod-, arrow-, teardrop-, and tetrapod-shaped CdSe nanocrystals. J. Am. Chem. Soc. 122, 12700-12706 (2000).
15. Peng, Z. A. & Peng, X. Mechanisms of the shape evolution of CdSe nanocrystals. J. Am. Chem. Soc. 123, 1389-1395 (2001).
16. Shah, J. Ultrafast luminescence spectroscopy using sum frequency generation. IEEE J. Quantum Electron. 24, 276-288 (1988).
17. Achermann, M., Hollingsworth, J. A. & Klimov, V I. Multiexcitons confined within a subexcitonic volume: Spectroscopic and dynamical signatures of neutral and charged biexcitons in ultrasmall semiconductor nanocrystals. Phys. Rev. B 68, 245302 (2003).
18. Xu, S., Mikhailovsky, A. A., Hollingsworth, J. A. & Klimov, V. I. Hole intraband relaxation in strongly confined quantum dots: Revisiting the'phonon bottleneck' problem. Phys. Rev. B 65, 045319 (2002).
19. Pötz, W. & Kocevar, P. Electronic power transfer in pulsed laser excitation of polar semiconductors. Phys. Rev. B 28, 7040-7047 (1983).
20. Kocevar, P. Hot phonon dynamics. Physica B 134, 155-163 (1985).