Abstract
Abstract
In this paper we evaluate the electric field—velocity relation for strong electron—LO phonon coupled 2D materials namely
Hf
S
2
,
HfS
e
2
,
Zr
S
2
and
ZrS
e
2
by applying Thornber—Feynman (TF) formalism applied to the case of the 2D Fröhlich polaron. We demonstrate that the generally-accepted Fermi’s Golden Rule based approach breaks down for these strongly coupled materials. We predict
ZrS
e
2
has highest mobility of 449
c
m
2
/
V
-s at room temperature followed by
HfS
e
2
with 240
c
m
2
/
V
-s whereas other materials have below 100
c
m
2
/
V
-s.
Subject
General Physics and Astronomy
Cited by
1 articles.
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