Secondary electron interference from trigonal
warping in clean carbon nanotubes
A. Dirnaichner et al., PRL 117, 166804 (2016)
Dr. Andreas K. H
¨
uttel
Institute for Experimental and Applied Physics
University of Regensburg
28th International Conference on Low Temperature Physics, G
¨
oteborg
overgrown, “ultraclean” carbon nanotube device
5
SiO
2
CNT
+
p Si
Ti/Pt
gate
CNT growth in situ over
Ti/Pt electrodes
V
g
. 0
hole conduction
no Coulomb blockade
transparent contacts,
weak scattering
A. Dirnaichner et al., PRL 117, 166804 (2016)
a carbon nanotube as Fabry-P
´
erot interferometer
weakly
scattered
electron wave
"semitransparent
mirror"
"semitransparent
mirror"
strong coupling of nanotube and contacts, no charge quantization
weak scattering Fabry-P
´
erot interferometer for electrons
A. Dirnaichner et al., PRL 117, 166804 (2016)