Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences,
Journal Year:
2024,
Volume and Issue:
382(2278)
Published: July 29, 2024
Owing
to
the
architected
void-filled
low-density
configurations,
metamaterials
are
prone
defects
during
complex
manufacturing
process,
or
damages
under
operational
conditions.
Recently
mechanical
cloaking
has
been
proposed
shield
effect
of
such
disorders
in
terms
homogenized
responses.
The
major
drawback
these
studies
that
damage
location
should
be
known
a
priori
,
and
cloak
is
designed
around
damaged
zone
before
manufacturing.
Such
postulation
does
not
allow
unsupervised
resilience
service
life
by
active
reconfiguration
stress
field
depending
on
random
unpredictable
evolution
damage.
Here,
we
propose
radically
different
approach
introducing
piezoelectric
lattices
where
appearance
any
single
multiple
with
shapes,
sizes
distributions
can
shielded
through
multi-physically
controlled
cloaks
voltage-dependent
modulation
fields
within
region.
Notably,
this
achieved
without
breaking
periodicity
additional
material
region
unlike
earlier
concerning
cloaks.
class
elastic
will
bring
step-change
on-demand
performance
critically
important
structural
components
for
enhanced
durability
sustainability.
This
article
part
theme
issue
‘Current
developments
acoustic
science
(Part
1)’.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: March 11, 2024
Abstract
Metamaterials
(MMs),
which
include
phononic
crystals
(PCs)
as
a
particular
type,
exhibit
anomalous
wave
propagation
properties
through
artificial
design
of
topologies
or
lattice
forms
unit‐cells.
Recent
advancements
in
MMs
signify
an
ascendant
research
trend,
providing
promising
ideas
and
means
for
unprecedented
properties.
The
imperative
on‐demand,
real‐time
active
control
underscores
the
significance
tunable
manipulation
acoustic/elastic
waves,
promoting
development
MMs.
Furthermore,
versatility
intelligent
materials
their
ongoing
innovation
contribute
significantly
to
emergence
diverse
This
comprehensive
survey
provides
overview
recent
current
trends
interdisciplinary
field
with
electro‐/magneto‐mechanical
couplings.
primary
objective
review
is
emphasize
significant
progress
agile
waves
coupled
MMs,
followed
by
in‐depth
exploration
metasurfaces,
topological
non‐Hermitian
parity‐time
symmetric
systems,
odd
elastic
spatiotemporally
modulated
Special
emphasis
given
multi‐field
coupling
effects.
concludes
summary
outlines
potential
prospects,
offering
timely
informative
guide
future
studies
on
actively
PCs
practical
engineering
applications.
Oxford Open Materials Science,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: Jan. 1, 2024
Abstract
Machine
intelligence
continues
to
rise
in
popularity
as
an
aid
the
design
and
discovery
of
novel
metamaterials.
The
properties
metamaterials
are
essentially
controllable
via
their
architectures
until
recently,
process
has
relied
on
a
combination
trial-and-error
physics-based
methods
for
optimization.
These
processes
can
be
time-consuming
challenging,
especially
if
space
metamaterial
optimization
is
explored
thoroughly.
Artificial
(AI)
machine
learning
(ML)
used
overcome
challenges
like
these
pre-processed
massive
datasets
very
accurately
train
appropriate
models.
models
broad,
describing
properties,
structure,
function
at
numerous
levels
hierarchy,
using
relevant
inputted
knowledge.
Here,
we
present
comprehensive
review
literature
where
state-of-the-art
design,
development
In
this
review,
individual
approaches
categorized
based
methodology
application.
We
further
trends
over
wide
range
problems
including:
acoustics,
photonics,
plasmonics,
mechanics,
more.
Finally,
identify
discuss
recent
research
directions
highlight
current
gaps
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(25), P. 32249 - 32258
Published: June 13, 2024
6G
communication
mainly
occurs
in
the
THz
band
(0.1–10
THz),
which
can
achieve
excellent
performance.
Self-powered
modulators
are
essential
for
achieving
better
conduction,
modulation,
and
manipulation
of
waves.
Herein,
a
self-powered
terahertz
modulator,
is
based
on
metamaterials,
liquid
crystals
(LCs),
rotary
triboelectric
nanogenerators
(R-TENGs),
proposed
to
realize
driving
different
array
elements.
The
corresponding
designs
an
integrated
design
preparation
method
dynamic
spectrum-reconfigurable
crystal
metamaterials.
In
addition,
type
cross-structure
metamaterial
box,
phase
modulation
1
GHz
achieved
at
frequencies
0.117
0.161
with
depths
13
11%,
respectively.
Because
R-TENG
multifan
blade
circular
electrodes
generate
18
peaks
electric
output
every
rotation,
it
successfully
provide
sufficient
frequency
alternating-current
energy
drive
modulator
function.
Our
findings
lay
solid
theoretical
foundation
further
building
systems
promote
development
system
LC-driving
devices
domain.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
Abstract
Lattice
metamaterials
emerge
as
advanced
architected
materials
with
superior
physical
properties
and
significant
potential
for
lightweight
applications.
Recent
developments
in
additive
manufacturing
(AM)
techniques
facilitate
the
of
lattice
intricate
microarchitectures
promote
their
applications
multi‐physical
scenarios.
Previous
reviews
on
have
largely
focused
a
specific/single
field,
limited
discussion
properties,
interaction
mechanisms,
multifunctional
Accordingly,
this
article
critically
design
principles,
structure‐mechanism‐property
relationships,
enabled
by
AM
techniques.
First,
are
categorized
into
homogeneous
lattices,
inhomogeneous
other
forms,
whose
principles
processes
discussed,
including
benefits
drawbacks
different
fabricating
types
lattices.
Subsequently,
structure–mechanism–property
relationships
mechanisms
range
fields,
mechanical,
acoustic,
electromagnetic/optical,
thermal
disciplines,
summarized
to
reveal
critical
principles.
Moreover,
metamaterials,
such
sound
absorbers,
insulators,
manipulators,
sensors,
actuators,
soft
robots,
management,
invisible
cloaks,
biomedical
implants,
enumerated.
These
provide
effective
guidelines
