TY  - JOUR
AU  - Reichardt, Sven
AU  - Stampfer, Christoph
TI  - Modeling charge relaxation in graphene quantum dots induced by electron-phonon interaction
JO  - Physical review / B
VL  - 93
IS  - 24
SN  - 2469-9950
CY  - Woodbury, NY
PB  - Inst.
M1  - FZJ-2017-02571
SP  - 245423
PY  - 2016
AB  - We study and compare two analytic models of graphene quantum dots for calculating charge relaxation times due to electron-phonon interaction. Recently, charge relaxation processes in graphene quantum dots have been probed experimentally and here we provide a theoretical estimate of relaxation times. By comparing a model with pure edge confinement to a model with electrostatic confinement, we find that the latter features much larger relaxation times. Interestingly, relaxation times in electrostatically defined quantum dots are predicted to exceed the experimentally observed lower bound of ∼100 ns.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000378106400013
DO  - DOI:10.1103/PhysRevB.93.245423
UR  - https://juser.fz-juelich.de/record/828679
ER  -