Lecture 37

Coreshellwireshavever8cal

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Unformatted text preview: me
 inversion—instead
of
just
inver8ng
the
 surface
area
under
the
gate,
the
wrap‐around
 gate
can
lead
to
volume
inversion.

Since
the
 carriers
are
away
from
the
interface,
this
 reduces
the
surface‐roughness
scaOering
and
 raises
the
mobility,
but
not
by
a
factor
of
2.
 Another
type
of
nanowire
is
the
self‐assembled
nanowire,
that
grows
in
a
vapor‐ liquid‐solid
process.

The
growth
is
seeded
by
a
molten
metal,
such
as
Au.
 nanowire
 Wires
can
be
gr...
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