Modulated reflectance and resonant Raman scattering of GaAs quantum wires grown on nonplanar

Rinaldi, R.; Cingolani, R.
June 1994
Applied Physics Letters;6/27/1994, Vol. 64 Issue 26, p3587
Academic Journal
Investigates the modulated reflectance and resonant Raman scattering of gallium arsenide quantum wires grown on nonplanar substrates. Use of spectroscopic analysis to probe the confined states in quantum wires of low luminescence efficiency; Measurement of the photoreflectance spectra; Features of the strong resonances observed.


Related Articles

  • Variation of Raman feature on excitation wavelength in silicon nanowires. Zhang, Shu-Lin; Ding, Wei; Yan, Yan; Qu, Jiang; Li, Bibo; Li, Le-yu; Yue, Kwok To; Yu, Dapeng // Applied Physics Letters;12/2/2002, Vol. 81 Issue 23, p4446 

    A variation of Raman feature on excitation wavelength in silicon nanowires was observed. Based on the quantum size confinement effect, the resonant Raman scattering phenomenon and the existence of different sizes of Si grains in the samples, a plausible mechanism to interpret the novel feature...

  • Synthesis and Raman scattering study of rutile SnO[sub 2] nanowires. Wang, Wenzhong; Xu, Congkang; Wang, Guanghou; Liu, Yingkai; Zheng, Changlin // Journal of Applied Physics;9/1/2002, Vol. 92 Issue 5, p2740 

    This article reports the synthesis and Raman scattering study of rutile SnO[sub 2] nanowires obtained by a simple precursor thermal decomposition process in NaCl flux with Sn(CO[sub 3])[sub 2] as the precursor. The SnO[sub 2] nanowires have lengths up to tens of micrometers and diameters in the...

  • Raman scattering and infrared reflectivity in [(InP)[sub 5](In[sub 0.49]Ga[sub 0.51]As)[sub 8]][sub 30] superlattices. Popovic, Z. V.; Cantarero, A.; Camacho, J.; Milutinovi, A.; Latinovi, O.; González, L. // Journal of Applied Physics;12/1/2000, Vol. 88 Issue 11, p6382 

    We have measured far-infrared and infrared reflectivity as well as Raman scattering in an [(InP)[sub 5](In[sub 0.49]Ga[sub 0.51]As)[sub 8]][sub 30] superlattice grown by molecular beam epitaxy. A numerical model for calculating the reflectivity coefficient for complex systems which includes...

  • Resonant Raman scattering from CdS nanowires. Abdi, A.; Titova, L. V.; Smith, L. M.; Jackson, H. E.; Yarrison-Rice, J. M.; Lensch, J. L.; Lauhon, L. J. // Applied Physics Letters;1/23/2006, Vol. 88 Issue 4, p043118 

    Resonant Raman scattering (RRS) was used to probe the electronic states of CdS nanowires (∼10 nm diameter) grown by chemical vapor deposition. Individual Ar+ laser lines were used to vary the excitation energy while observing scattering from CdS phonons; strong 1-longitudinal optical (LO)...

  • Observation of a compressed state of the quantum wire material in porous silicon by the method of Raman scattering. Kompan, M. E.; Kuz�minov, E. G.; Kulik, V. B.; Novak, I. I.; Beklemyshev, V. I. // JETP Letters;11/25/96, Vol. 64 Issue 10, p748 

    An experiment on Raman scattering in porous silicon containing a regular system of quantum wires reveals a shift of the phonon frequencies of the silicon lattice toward higher energies. The effect is interpreted as a manifestation of a compressed state of the material in the quantum wires. It is...

  • Lateral electron confinement in narrow deep etched wires. Perez, Florent; Zanier, Sylvie; Hameau, Sophie; Jusserand, Bernard; Guldner, Yves; Cavanna, Antonella; Ferlazzo-Manin, Laurence; Etienne, Bernard // Applied Physics Letters;3/16/1998, Vol. 72 Issue 11 

    Narrow, dry, deep-etched GaAs/GaAlAs quantum wires with modulation doping are investigated by electronic Raman scattering (RS) and far-infrared magnetotransmission (FIR). Laterally-confined plasmon and magnetoplasmon dispersions and intensities lead to the determination of the confinement...

  • Surface Enhanced Raman Scattering Of Gold Nanostructures: Role Of Dipolar And Multipolar Localized Surface Plasmons. Guillot, Nicolas; Fremaux, Benoît; Amor, Salem Ben; Hong Shen; Peron, Olivier; Toury, Timothée; Rinnert, Emmanuel; de la Chapelle, Marc Lamy // AIP Conference Proceedings;8/6/2010, Vol. 1267 Issue 1, p964 

    We have studied the Surface-Enhanced Raman Scattering (SERS) of shape controlled metallic nanoparticles: nanocylinders and nanowires, designed through electron beam lithography and lift off techniques. We have notably studied the influence of Localized Surface Plasmon Resonance (LSPR) on the...

  • Synthesis, morphologies and Raman-scattering spectra of crystalline stannic oxide nanowires. Jian, J.K.; Chen, X.L.; Xu, T.; Xu, Y.P.; Dai, L.; He, M. // Applied Physics A: Materials Science & Processing;2002, Vol. 75 Issue 6, p695 

    SnO[sub 2] nanowires were synthesized using a direct gas reaction route and were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), selected-area electron diffraction (SAED), high-resolution transmission electron microscopy (HRTEM) and Raman-scattering...

  • Raman investigation of oxidation mechanism of silicon nanowires. Liu, L. Z.; Wu, X. L.; Zhang, Z. Y.; Li, T. H.; Chu, Paul K. // Applied Physics Letters;8/31/2009, Vol. 95 Issue 9, p093109 

    Raman spectra are acquired from Si nanowires (NWs) with diameters of 2–15 nm oxidized for different time durations. The Si TO optical phonon peak downshifts asymmetrically finally becoming an amorphous Si peak after a long oxidation time. The spectral changes cannot be correlated using...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics