Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 28, 2024
Abstract
Recent
advancements
in
additive
manufacturing
(AM)
techniques
have
significantly
expanded
the
potential
applications
of
magnetic
materials
and
devices.
This
review
summarizes
various
AM
methods,
including
ink‐based
ink‐free
processes,
their
use
fabricating
complex
structures
with
specific
properties
tailored
for
different
fields.
Key
discussed
include
energy‐harvesting
devices
enhanced
nanoparticles,
water
decontamination
through
magnetically
guided
microswimmers,
soft
composites
robotics
medical
In
addition,
integration
producing
wearable
flexible
sensors
is
highlighted,
demonstrating
its
transformative
impact
on
human‐machine
interactions.
Furthermore,
rare‐earth‐free
magnets
electric
motor
designs
enabled
by
are
also
discussed.
Despite
material
compatibility
scalability
challenges,
provides
opportunities
creating
multifunctional,
sustainable
reduced
waste.
Future
research
should
focus
optimizing
these
large‐scale
production,
particularly
eco‐friendly
industrial
settings.
Magnetochemistry,
Год журнала:
2025,
Номер
11(1), С. 5 - 5
Опубликована: Янв. 16, 2025
Hole-doped
manganese
oxides
exhibit
a
gigantic
negative
magnetoresistance,
referred
to
as
colossal
magnetoresistance
(CMR),
owing
the
interplay
between
double-exchange
(DE)
ferromagnetic
metal
and
charge-ordered
antiferromagnetic
insulator/semiconductor
phases.
Magnetoresistive
manganites
display
sharp
resistivity
drop
at
metal–insulator
transition
temperature
(TMI).
CMR
effects
in
perovskite
manganites,
specifically
La0.67Ca0.33MnO3
(La-Ca-Mn-O
or
LCMO),
have
been
extensively
investigated.
This
review
paper
provides
comprehensive
introduction
crystallographic
structure,
well
electronic
magnetic
properties,
of
LCMO
films.
Furthermore,
we
delve
into
detailed
discussion
epitaxial
strain
induced
by
different
substrates
on
Additionally,
early
findings
diverse
applications
thin
Finally,
outline
potential
challenges
prospects
for
achieving
superior
film
properties.
Review of Scientific Instruments,
Год журнала:
2025,
Номер
96(2)
Опубликована: Фев. 1, 2025
We
explore
the
magnetic
properties
of
a
thin
Co
film
deposited
on
Kapton®
substrates
using
magneto-optical
Kerr
effect
in
longitudinal
configuration.
developed
magnetometer
integrated
with
tensile
testing
machine
to
investigate
magnetization
reversal
phenomena
under
applied
strain.
The
machine,
custom-designed
fit
experimental
constraints,
applies
uniaxial
stress
samples,
facilitating
study
magnetoelastic
effects.
Calibration
digital
image
correlation
ensures
accurate
strain
measurements.
Our
findings
demonstrate
that
application
significantly
influences
curves,
highlighting
emergence
anisotropies
and
changes
coercive
saturation
fields.
Magnetic
nanoparticles
(MNPs)
are
widely
recognized
as
effective
signal
amplifiers
for
surface
plasmon
resonance
(SPR)-based
biosensors.
Herein,
we
report
that
SPR
sensors
can
be
a
useful
tool
to
characterize
the
physicochemical
properties
of
surface-functionalized
iron
oxide
MNPs.
In
this
work,
Kretschmann
configuration-based
sensing
platform
with
scanning
angular
range
up
17°
is
employed
identify
conditions
different
MNP
suspensions.
We
demonstrate
feasibility
differentiating
coatings
on
MNPs,
such
amine,
biotin,
and
streptavidin,
well
distinguishing
magnetic
core
sizes
(from
15
nm
30
nm)
nanoparticle
concentrations
0.013
mg/ml
2.5
mg/ml).
The
angle
shift,
Δθ,
used
crucial
parameter
characterizing
these
MNPs
floating
within
metal
layer
directly
interact
plasmons,
variation
their
reason
causing
shift
in
angle.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
Abstract
Antiferromagnetism
has
become
a
promising
candidate
for
the
next
generation
electronic
devices
due
to
its
thermal
stability,
low
energy
consumption,
and
fast
switching
speed.
However,
canceling
of
net
magnetic
moment
in
antiferromagnetic
order
presents
great
challenge
on
quantitative
characterization
modulation,
hindering
investigation
application.
In
this
work,
utilizing
optical
second
harmonic
(SHG)
wide
temperature
range,
integrated
differential
phase
contrast
scanning
transmission
electron
microscopy,
first-principles
calculations,
we
performed
study
evolution
non-collinear
BiFeO3
films
with
series
strains.
We
found
that
coupling
was
significantly
enhanced,
featured
by
increase
Néel
from
428
K
646
K,
one
enhancement
SHG
intensity
contributed
G-type
strain
manipulation
-2.4%
+0.6%.
attributed
superexchange
interaction
as
Fe-O-Fe
bond
angle
approaches
180º
when
in-plane
lattice
constants
increase,
which
might
also
result
tendency
collinear
one.
Our
work
not
only
bridges
epitaxial
multiferroics,
more
importantly,
paves
way
characterizing
antiferromagnetism
Zero
quantitatively
technology.
Abstract
Spintronic
sensors
are
uniquely
positioned
to
deliver
the
next
generation
of
high-performance
magnetic
field
measurement
tools
with
re-configurable
key
features.
In
this
perspective
article,
we
focus
on
giant
and
tunnel
magnetoresistance
that
exploit
changes
in
electrical
resistance
thin
films
response
an
external
field.
We
discuss
strategies
address
ongoing
open
challenges
improve
operation
limits.
The
goal
is
meet
current
technological
needs
thus
expand
scope
existing
applications.
also
propose
innovative
approaches
design
adaptable
characteristics
embedded
multifunctionality,
aiming
create
opportunities
for
future
sensing
These
solutions
leverage
versatility
spintronic
sensors,
from
thin-film
multilayers
form
their
building
blocks,
device
fabrication
methods
potential
integration
other
technologies.
outlook
novel
applications
spans
multiple
areas,
including
electric
vehicles,
robotics,
remote
detection,
or
biomedicine.
