'Exciton states' presentation slideshows

L.Besombes Y.Leger H. Boukari D.Ferrand H.Mariette J. Fernandez-Rossier

511 views • 42 slides

Cryostat ~1.4K Excitation Intensity ~50 W cm -2 Max. Scan speed: 0.3 nm s -1 (~50cm -1 s -1 )

63 views • 1 slides

grating. mirror. OUT. Pump beam (circularly polarized). Balancing unit. Polarization beam splitter. Sample in 5K. slit. lens. mirror. Probe beam (linear polarized). probe beam. n -. n +. : A fit considering only the single exciton. Not match. Amplitude.

105 views • 1 slides

1. band structure of pristine SWCNTs

Effect of Helical Perturbation on Exciton Binding Energy in Semiconducting Carbon Nanotubes Benjamin Tayo and Slava V. Rotkin Department of Physics, Lehigh University, Bethlehem, PA. abstract. 2. band structure of SWCNTs in the presence of an external helical potential induced by DNA wrap.

169 views • 1 slides