Journal of the European Ceramic Society,
Journal Year:
2024,
Volume and Issue:
44(16), P. 116810 - 116810
Published: Aug. 8, 2024
Seed-free
solid-state
crystal
growth
(SSCG)
is
a
developing
technique
to
produce
lead-free
potassium
sodium
niobate
(KNN)
single
crystals
with
the
advantage
of
expeditious
rates.
The
fundamental
mechanism
for
seed-free
SSCG
abnormal
grain
growth,
which
can
be
promoted
through
inclusion
precise
concentration
an
A-site
donor
dopant
in
KNN.
To
date,
Ba2+
and
Bi3+
have
been
utilised
grow
centimetre-sized
KNN
piezoelectric
properties
equivalent
traditional
melt
techniques.
This
research
explores
broad
range
potential
dopants
(K0.5Na0.5Li0.006Dx)NbO3
(where
D
=
Ba2+,
Ca2+,
Sr2+,
Pb2+,
Bi3+,
La3+,
Ce3+,4+
Pr3+,4+)
determine
disparities
behaviour
critical
parameters
that
enable
substantial
growth.
incorporation
different
influences
behaviour,
sizes
preferential
crystallographic
orientations.
inspires
future
explore
compositions
techniques
improve
addressing
other
challenges.
These
efforts
are
essential
maturity
SSCG,
making
it
industrially
viable
genuine
alternative
costly
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2024,
Volume and Issue:
12
Published: Sept. 13, 2024
Piezoelectric
materials,
as
a
class
of
materials
capable
generating
electrical
charges
under
mechanical
vibration,
have
special
piezoelectric
effects
and
been
widely
applied
in
various
disease
treatment
fields.
People
generate
vibrations
the
oral
cavity
during
daily
activities
such
brushing
teeth,
using
electric
toothbrushes,
chewing,
speaking.
These
natural
(or
external
ultrasound)
provide
ideal
conditions
for
activating
leading
to
their
high
potential
applications
protecting
health
treating
diseases.
Based
on
this,
this
review
reports
research
progress
trends
protection
diseases
past
5
years,
discusses
its
mechanism,
challenges
shortcomings,
aiming
theoretical
basis
new
ideas
future
application
field
cavity.
Finally,
brief
outlook
is
provided,
suggesting
that
may
enable
them
quickly
move
towards
real
clinical
applications.
