Nanotechnology,
Год журнала:
2024,
Номер
36(10), С. 105201 - 105201
Опубликована: Дек. 23, 2024
In
this
paper
we
investigate
the
electrical
response
of
amorphous
complex
oxide
memristors
under
different
stimulation.
With
help
transmission
electron
microscopy
and
energy
dispersive
x-ray
spectroscopy,
observed
that
those
devices
stimulated
with
voltage
display
strong
cationic
segregation
at
nanoscale
together
partial
crystallization
layer.
On
other
hand,
current
maintain
their
character
no
significative
chemical
changes.
Our
analysis
also
shows
stimulation
leads
to
a
more
stable
memristive
smaller
cycle-to-cycle
variations.
These
findings
could
contribute
design
reliable
oxide-based
underscore
crucial
effect
has
type
applied
on
integrity
reliability.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(14), С. 17821 - 17831
Опубликована: Март 27, 2024
Hardware
neural
networks
with
mechanical
flexibility
are
promising
next-generation
computing
systems
for
smart
wearable
electronics.
Overcoming
the
challenge
of
developing
a
fully
synaptic
plastic
network,
we
demonstrate
low-operating-voltage
PET/ITO/p-MXene/Ag
flexible
memristor
device
by
controlling
etching
aluminum
metal
ions
in
Ti3C2Tx
MXene.
The
presence
small
fraction
Al
partially
etched
MXene
(p-Ti3C2Tx)
significantly
suppresses
operating
voltage
to
1
V
compared
7
from
(f-Ti3C2Tx)-based
devices.
Former
devices
exhibit
excellent
non-volatile
data
storage
properties,
robust
∼103
ON/OFF
ratio,
high
endurance
∼104
cycles,
multilevel
resistance
states,
and
long
retention
measured
up
∼106
s.
High
stability
∼73°
bending
angle
environmental
robustness
confirmed
consistent
switching
characteristics
under
increasing
temperature
humid
conditions.
Furthermore,
p-Ti3C2Tx
is
employed
mimic
biological
synapse
measuring
learning–forgetting
pattern
cycles
as
potentiation
depression.
Spike
time-dependent
plasticity
(STDP)
based
on
Hebb's
Learning
rules
also
successfully
demonstrated.
Moreover,
remarkable
accuracy
∼95%
recognizing
modified
patterns
National
Institute
Standards
Technology
(MNIST)
set
just
29
training
epochs
achieved
simulation.
Ultimately,
our
findings
underscore
potential
MXene-based
versatile
components
neuromorphic
computing.
As
the
age
of
Internet
Things
(IoTs)
unfolds,
along
with
rapid
advancement
artificial
intelligence
(AI),
traditional
von
Neumann-based
computing
systems
encounter
significant
challenges
in
handling
vast
amounts
data
storage
and
processing.
Bioinspired
neuromorphic
strategies
offer
a
promising
solution,
characterized
by
features
in-memory
computing,
massively
parallel
processing,
event-driven
operations.
Compared
to
rigid
silicon-based
devices,
flexible
devices
are
lightweight,
thin,
highly
stretchable,
garnering
considerable
attention.
Among
materials
utilized
these
transition
metal
carbides/nitrides
(MXenes)
particularly
noteworthy
their
excellent
flexibility,
exceptional
conductivity,
hydrophilicity,
which
confer
remarkable
properties
upon
devices.
Herein,
comprehensive
discussion
is
provided
on
applications
MXenes
memory
This
review
covers
basic
principles
device
structures
common
parameters
emerging
as
well
synthesis,
functionalization
methods,
distinct
MXenes.
The
remaining
future
opportunities
relevant
also
presented.
can
serve
valuable
reference
lay
cornerstone
for
practical
feasible
implementation
technologies.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 28, 2025
A
growing
concern
for
sustainable
electronics
to
support
a
more
eco-friendly
future
has
significantly
increased
the
demand
flexible
and
biodegradable
electronics.
This
work
explores
effect
of
using
entirely
biocompatible
materials
in
memristor
device
achieve
volatile
nonvolatile
resistive
switching
operations
by
modulating
layer
(SL)
materials.
The
physically
transient
memristors
(PTMs),
based
on
an
Mg
electrode,
polytrimethylene
carbonate
(PTMC)/polyvinylpyrrolidone
(PVP)
layer,
chitosan/PVP
substrate,
exhibited
both
memory
characteristics,
as
well
quantized
conductance
(G0)
states.
PTM
low
set/reset
voltage
(<1
V),
large
(ROFF/RON)
window
(>106),
long-term
HRS/LRS
retention
(>103
s)
characteristics
during
its
operation.
I-V
pulse
response
revealed
that
occurs
due
constriction
metallic
filament
atomic
scale,
with
resistance
≤
12.9
kΩ.
LRS
HRS
are
controlled
within
range
(G0
=
2e2/h)
bulk
(G)
three
different
concentrations
(1:0.5,
1:1,
1:1.5)
blended
film
(PTMC:PVP)
exhibit
polymer
films
display
unique
dual-phase
surface
morphology,
facilitating
ionic
transportation.
was
encapsulated
ALD-deposited
Al2O3
enable
controllable
biodegradation
process,
allowing
control
over
lifespan.
tunable
volatile/nonvolatile
electrical
demonstrate
potential
this
implantable
biomedical
memory,
secure
hardware
systems,
wearable
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 25, 2024
The
switching
response
in
organic
electrochemical
transistors
(OECT)
is
a
basic
effect
which
transient
current
occurs
to
voltage
perturbation.
This
phenomenon
has
an
important
impact
on
different
aspects
of
the
application
OECT,
such
as
equilibration
times,
hysteresis
dependence
scan
rates,
and
synaptic
properties
for
neuromorphic
applications.
Here
we
establish
model
that
unites
vertical
ion
diffusion
horizontal
electronic
transport
analysis
time-dependent
OECTs.
We
use
combination
tools
consisting
physical
analytical
model;
advanced
2D
drift-diffusion
simulation;
experimental
measurement
poly(3-hexylthiophene)
(P3HT)
OECT.
show
reduction
general
simple
equations
average
ionic/hole
concentration
inside
film,
produces
Bernards-Malliaras
conservation
equation
coupled
with
equation.
provide
classification
pulse,
correspondent
effects
transfer
curves.
shape
transients
basically
related
main
control
phenomenon,
either
ions
during
doping
dedoping,
or
along
channel
length.
Applied Physics A,
Год журнала:
2024,
Номер
130(11)
Опубликована: Окт. 8, 2024
Abstract
The
composition:
10KNbO
3
-10Fe
2
O
-50B
-30V
5
(in
mol%)
is
produced
using
the
conventional
melt
quenching
method
and
their
corresponding
glass–ceramic
nanocomposites
were
studied.
structural
properties
of
as-quenched
sample
its
heat-treated
samples
investigated
X-ray
diffraction
differential
thermal
analysis.
Density
(ρ)
was
found
to
decrease
with
increasing
average
nanocrystallite
size
as
molar
volume
increases.
Studies
on
thermoelectric
power
have
been
carried
out.
nanocomposite
after
h
heating
exhibits
significant
improvement
electrical
conductivity.
activation
energy
(W),
polaron
radius
(r
p
)
other
parameters
estimated
in
non-adiabatic
region.
current–voltage
(I–V)
curve
each
measured.
A
temporal
analysis
current
&
voltage
nonlinear
I–V
curves
show
pinched
hysteresis
loop,
which
memristor’s
fingerprint.
a
large
switching
window.
results
study
enable
us
predict
that
they
will
be
helpful
for
future
applications
non-volatile
electronic-memory
devices.
