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@ARTICLE{Jafarpisheh:877720,
author = {Jafarpisheh, S. and Cummings, A. W. and Watanabe, K. and
Taniguchi, T. and Beschoten, B. and Stampfer, Christoph},
title = {{P}roximity-induced spin-orbit coupling in graphene/ {B}i
1.5 {S}b 0.5 {T}e 1.7 {S}e 1.3 heterostructures},
journal = {Physical review / B},
volume = {98},
number = {24},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2020-02421},
pages = {241402},
year = {2018},
abstract = {The weak intrinsic spin-orbit coupling in graphene can be
greatly enhanced by proximity coupling. Here, we report on
the proximity-induced spin-orbit coupling in graphene
transferred by hexagonal boron nitride (hBN) onto the
topological insulator Bi1.5Sb0.5Te1.7Se1.3 (BSTS) which was
grown on a hBN substrate by vapor solid synthesis. Phase
coherent transport measurements, revealing weak
localization, allow us to extract the carrier
density-dependent phase coherence length lϕ. While lϕ
increases with increasing carrier density in the
hBN/graphene/hBN reference sample, it decreases in
graphene/BSTS due to the proximity coupling of BSTS to
graphene. The latter behavior results from
D'yakonov-Perel'-type spin scattering in graphene with a
large proximity-induced spin-orbit coupling strength of at
least 2.5 meV.},
cin = {PGI-9 / JARA-FIT},
ddc = {530},
cid = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
pnm = {521 - Controlling Electron Charge-Based Phenomena
(POF3-521)},
pid = {G:(DE-HGF)POF3-521},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000452003600005},
doi = {10.1103/PhysRevB.98.241402},
url = {https://juser.fz-juelich.de/record/877720},
}