Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 30, 2024
Abstract
Room‐temperature
(RT)
multiferroic
materials
have
received
significant
research
attention
for
various
potential
applications;
however,
their
properties
are
not
suitable
real‐world
implementation.
In
this
study,
a
nano‐scale
localized
flexoelectric
effect
is
introduced
to
enhance
the
RT
performance
of
epitaxial
bismuth
iron
oxide
(BiFeO
3
;
BFO)
thin
films
by
embedding
10
mol%
Ba(Cu
1/3
Nb
2/3
)O
(BCN)
nano‐clusters
into
host
BFO
film,
which
originally
has
rhombohedral
crystal
structure.
By
utilizing
nano‐clustering,
large
out‐of‐plane
coherent
strain
around
nano‐clusters,
resulting
in
highly
strained
tetragonality
structure;
subsequently,
exhibit
peculiar
types
domains
and
domain
walls,
such
as
rotational
vortices
antiparallel
dipole
configurations.
These
structures,
originate
from
at
nano‐scale,
enable
excellent
ferroelectric,
ferromagnetic,
magnetoelectric
coupling.
This
study
reveals
that
local
variation
field
considerably
impacts
formation
unusual
domain‐wall
structures.
suggests
controlled
introduction
with
different
structures
promising
achieving
desired
properties.
Applied Physics Letters,
Год журнала:
2025,
Номер
126(14)
Опубликована: Апрель 1, 2025
Magnetic
skyrmions
are
topological
spin
swirls
possessing
intriguing
electromagnetic
properties.
The
integration
of
skyrmion
materials
into
flexible
substrates
has
led
to
the
development
spintronics
with
high
performance.
However,
research
remains
limited.
Here,
we
report
growth
[Pt/Co/Ta]10
multilayer,
a
typical
system
hosting
skyrmions,
on
multiple
substrates.
By
combining
atomic
force
microscopy
magnetization
measurements,
establish
correlation
between
surface
morphology
and
perpendicular
magnetic
anisotropy.
field-driven
evolution
is
also
discussed.
Additionally,
explain
observed
differences
in
domain
structures
samples
grown
Si
substrates,
relationship
width
variations
parameters
investigated.
Our
findings
reveal
that
can
be
diverse
tuned
by
substrate
morphology,
which
shows
promising
prospects
for
wearable
spintronic
devices.
Biomimetics,
Год журнала:
2025,
Номер
10(5), С. 267 - 267
Опубликована: Апрель 27, 2025
The
heel
pad,
located
under
the
calcaneus
of
human
foot,
is
a
hidden
treasure
that
has
been
subjected
to
harsh
mechanical
conditions
such
as
impact,
vibration,
and
cyclic
loading.
This
resulted
in
unique
compartment
structure
material
composition,
endowed
with
advanced
biomechanical
functions
including
cushioning,
vibration
reduction,
fatigue
resistance,
touchdown
stability,
making
it
an
ideal
natural
bionic
prototype
field
materials.
It
shown
highly
specialized
composition
pad
endows
properties
hyperelasticity,
viscoelasticity,
anisotropy.
These
complex
underpin
its
functions.
Although
known
these
interact
each
other,
detailed
influence
mechanism
remains
unclear,
which
restricts
application
Therefore,
this
study
provides
comprehensive
review
structure,
materials,
properties,
pad.
focuses
on
elucidating
relationships
between
pads
proposes
insights
for
materials
using
prototype.
Finally,
research
idea
analyze
by
integrating
sophisticated
technologies
proposed,
aiming
provide
directions
further
in-depth
inspiration
innovative
design
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 14, 2025
Two-dimensional
transition
metal
carbide/nitride
(MXene)-based
conductive
inks
are
promising
in
the
scalable
production
of
printed
electronics
and
wearable
devices.
Nevertheless,
to
realize
desirable
rheological
properties
MXene-based
multifunction
resulting
devices
is
still
challenging.
Herein,
MXene
with
tunable
were
developed
by
inducing
carboxylated
cellulose
nanofibers
(C-CNFs)
modifier.
The
versatile
facilitate
preparation
gratings
direct
ink
writing
(DIW)
multifunctional
integrated
electromagnetic
interference
(EMI)
shielding,
Joule
heaters,
humidity
sensors.
highest
average
EMI
shielding
effectiveness
(SE)
33.0
dB,
specific
SE
up
137481.5
dB
cm2
g-1.
Meanwhile,
when
functioning
as
a
heater,
low-voltage
drive
excellent
cyclic
long-term
stability
can
be
observed.
In
addition,
humidity-sensing
function
wireless
transmission
shows
maximum
response
value
2768%.
fabricated
DIW
applied
next
generation
Combination
of
conformability
and
transparency
is
crucial
for
realizing
the
full
capabilities
printed
magnetoresistive
sensors
in
cutting-edge
technologies
designed
to
blend
into
their
surroundings
applications.
However,
achieving
this
poses
a
critical
challenge
due
conflicting
requirements:
magnetic
nanowires
optimized
deformability
exhibit
tendency
cluster,
thus
compromising
transparency.
To
balance
trade-off,
we
leverage
fields
manipulate
nanowires,
simultaneously
initiating
alignment
pinning
effects.
These
together
ensure
uniform
anisotropic
distribution
across
extensive
areas,
enhancing
sensor
(about
85%).
Further,
harness
clustering
tendency,
repurposing
it
create
local
entanglements
that
enhance
mechanical
durability
against
both
bending
(with
curvature
radius
about
110
μm)
stretching
80%
tensile
strain)
result
stable
performance
during
10,000
magnetization
cycles.
With
design,
achieve
high
out-of-plane
sensitivity,
distinguishing
them
from
traditional
film-based
counterparts
with
predominant
in-plane
response.
do
not
require
physical
contact
operation,
fostering
hygienic
safer
interaction.
Their
robust
under
environmental
interference
(e.g.,
dust,
liquid,
moisture)
makes
versatile
real-world
use.
The
above
innovations
position
our
as
an
important
driver
numerous
emerging
applications,
e.g.,
touchless
interactive
transparent
displays
integrated
multifunctional
windows.
