Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(41)
Published: Aug. 14, 2023
The
serial
connection
of
multiple
stimuli-responses
in
polymer
architectures
enables
the
logically
conjunctive
gating
functional
material
processes
on
demand.
Here,
a
photoswitchable
diarylethene
(DAE)
acts
as
crosslinker
poly(N-vinylcaprolactam)
microgels
and
allows
light-induced
shift
volume
phase-transition
temperature
(VPTT).
While
swollen
below
VPTT
are
susceptible
to
force
undergo
breakage-aggregation
processes,
collapsed
above
stay
intact
mechanical
fields
induced
by
ultrasonication.
Within
regime,
photoswitching
DAE
transfers
from
state
thereby
gates
their
response
demonstrated
light-gated
activation
an
embedded
fluorogenic
mechanophore.
This
photoinduced
cloaking
system
operates
topology
level
is
principally
universally
applicable.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Dec. 3, 2022
Abstract
The
recent
development
of
modular
origami
structures
has
ushered
in
an
era
for
active
metamaterials
with
multiple
degrees
freedom
(multi-DOF).
Notably,
no
systematic
inverse
design
approach
3D
curvilinear
been
reported.
Moreover,
very
few
topologies
have
studied
to
multi-DOF.
Herein,
we
develop
method
constructing
reconfigurable
architected
—
synthesize
whose
unit
cells
can
be
volumetrically
mapped
into
a
prescribed
shape
followed
by
volumetric
shrinkage
construct
modules.
After
modification
the
tubular
geometry,
search
through
all
possible
geometric
and
topological
combinations
attain
target
mobility
using
reconstruction
Our
reconstructions
provide
effective
solution
work
opens
path
toward
systems
based
on
design,
such
as
morphing
devices
automotive,
aerospace,
biomedical
engineering
applications.
Advanced Photonics Research,
Journal Year:
2023,
Volume and Issue:
4(12)
Published: Oct. 11, 2023
Optical
metamaterials
manipulate
light
through
various
confinement
and
scattering
processes,
offering
unique
advantages
like
high
performance,
small
form
factor
easy
integration
with
semiconductor
devices.
However,
designing
metasurfaces
suitable
optical
responses
for
complex
metamaterial
systems
remains
challenging
due
to
the
exponentially
growing
computation
cost
ill‐posed
nature
of
inverse
problems.
To
expedite
design
metasurfaces,
a
physics‐informed
deep
learning
(DL)
framework
is
used.
A
tandem
DL
architecture
physics‐based
used
select
designs
that
are
scientifically
consistent,
have
low
error
in
prediction,
accurate
reconstruction
responses.
The
authors
focus
on
representative
plasmonic
device
consider
prediction
response
single
wavelength
incident
or
spectrum
visible
range.
constraint
derived
from
solving
electromagnetic
wave
equations
simplified
homogenized
model.
model
converges
an
accuracy
up
97%
as
input,
96%
99%.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(41)
Published: Aug. 14, 2023
The
serial
connection
of
multiple
stimuli-responses
in
polymer
architectures
enables
the
logically
conjunctive
gating
functional
material
processes
on
demand.
Here,
a
photoswitchable
diarylethene
(DAE)
acts
as
crosslinker
poly(N-vinylcaprolactam)
microgels
and
allows
light-induced
shift
volume
phase-transition
temperature
(VPTT).
While
swollen
below
VPTT
are
susceptible
to
force
undergo
breakage-aggregation
processes,
collapsed
above
stay
intact
mechanical
fields
induced
by
ultrasonication.
Within
regime,
photoswitching
DAE
transfers
from
state
thereby
gates
their
response
demonstrated
light-gated
activation
an
embedded
fluorogenic
mechanophore.
This
photoinduced
cloaking
system
operates
topology
level
is
principally
universally
applicable.
