Sensors,
Год журнала:
2023,
Номер
23(6), С. 3042 - 3042
Опубликована: Март 11, 2023
Piezoelectric
transducers
have
numerous
applications
in
a
wide
range
of
sensing
and
actuation
applications.
Such
variety
has
resulted
continuous
research
into
the
design
development
these
transducers,
including
but
not
limited
to
their
geometry,
material
configuration.
Among
these,
cylindrical-shaped
piezoelectric
PZT
with
superior
features
are
suitable
for
various
sensor
or
actuator
However,
despite
strong
potential,
they
been
thoroughly
investigated
fully
established.
The
aim
this
paper
is
shed
light
on
cylindrical
configurations.
Based
latest
literature,
different
configurations
such
as
stepped-thickness
potential
application
areas
will
be
elaborated
propose
future
trends
introducing
new
that
meet
requirements
biomedical
applications,
food
industry,
well
other
industrial
fields.
Sensors,
Год журнала:
2025,
Номер
25(2), С. 349 - 349
Опубликована: Янв. 9, 2025
For
those
piezoelectric
materials
that
operate
under
high-power
conditions,
the
and
dielectric
properties
obtained
small
signal
conditions
cannot
be
directly
applied
to
transducers.
There
are
three
mainstream
characterization
methods:
constant
voltage
method,
current
transient
method.
In
this
study,
we
developed
verified
a
combined
impedance
method
integrated
advantages
of
methods,
along
with
an
improved
for
testing
PZT-5H
ceramics.
The
results
from
both
methods
indicated
increasing
power,
electromechanical
coupling
coefficient
k31
,
d31,
elastic
compliance
s11E
showed
trends,
while
mechanical
quality
factor
Qm
first
decayed
rapidly
then
stabilized
at
fixed
level.
Additionally,
temperature
vibrators
rose
significantly
due
self-heating,
whereas
generated
almost
no
heat,
remained
room
temperature.
By
comparing
two
decoupled
effects
power
on
performance.
self-heating
amplified
k31,
s11E,
its
influence
negligible.
Journal of Composites Science,
Год журнала:
2025,
Номер
9(2), С. 71 - 71
Опубликована: Фев. 5, 2025
Free-standing
ferroelectric
films
have
emerged
as
a
transformative
technology
in
the
field
of
flexible
electronics,
offering
unique
properties
that
enable
wide
range
applications,
including
sensors,
actuators,
and
energy
harvesting
devices.
This
review
paper
explores
recent
advancements
fabrication,
characterization,
application
free-standing
films,
highlighting
innovative
techniques
such
multilayer
structures
van
der
Waals
epitaxy
enhance
their
performance
while
maintaining
mechanical
flexibility.
We
discuss
critical
role
these
next-generation
devices,
emphasizing
potential
for
integration
into
multifunctional
systems
combine
sensing
capabilities.
Additionally,
we
address
challenges
related
to
leakage
currents,
polarization
stability,
scalability
must
be
overcome
facilitate
commercialization.
By
synthesizing
current
research
findings
identifying
future
directions,
this
aims
provide
comprehensive
overview
state-of-the-art
impact
on
development
sustainable
efficient
electronic
technologies.
Sensors,
Год журнала:
2023,
Номер
23(6), С. 3042 - 3042
Опубликована: Март 11, 2023
Piezoelectric
transducers
have
numerous
applications
in
a
wide
range
of
sensing
and
actuation
applications.
Such
variety
has
resulted
continuous
research
into
the
design
development
these
transducers,
including
but
not
limited
to
their
geometry,
material
configuration.
Among
these,
cylindrical-shaped
piezoelectric
PZT
with
superior
features
are
suitable
for
various
sensor
or
actuator
However,
despite
strong
potential,
they
been
thoroughly
investigated
fully
established.
The
aim
this
paper
is
shed
light
on
cylindrical
configurations.
Based
latest
literature,
different
configurations
such
as
stepped-thickness
potential
application
areas
will
be
elaborated
propose
future
trends
introducing
new
that
meet
requirements
biomedical
applications,
food
industry,
well
other
industrial
fields.
