Rare
earth
ions
doped
multi-functional
materials
have
been
the
central
focus
of
next
generation
integrated,
miniaturized,
and
intelligentized
electronics.
Herein,
Ho3+
Ho3+-Yb3+
Pb(Zn1/3Nb2/3)O3-11PbTiO3
(PZN-11PT)
single
crystals
were
elaborately
designed
grown
by
high
temperature
flux
method.
The
as
demonstrated
excellent
electrical
properties
with
Curie
temperatures
(Tc)
182
℃
173
℃,
remnant
polarizations
(Pr)
37.8
μC/cm2
24.5
μC/cm2,
large
coercive
fields
(Ec)
16.8
kV/cm
12.2
for
PZN-11PT
samples,
respectively.
Besides,
these
showed
down-
up-conversion
photoluminescence
emission
behaviors,
indicating
a
remarkable
sensing
property
which
can
be
utilized
in
non-contact
optical
monitoring
phase
transition
detection
applications.
These
results
suggest
that
could
promising
candidates
optoelectronic
devices.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 19, 2025
Fluorescence
thermometers
have
been
plagued
by
the
problem
of
thermal
quenching
(TQ)
for
a
long
time
when
operating
at
higher
temperatures,
which
seriously
hindered
their
performances
in
practical
application.
Ho3+-Yb3+-codoped
Lu2Mo3O12
phosphors
were
synthesized
designing
TQ-immune
fluorescence
thermometers.
Temperature-sensitive
upconversion
(UC)
lifetime
(FL)
and
color
modulated
utilizing
appropriate
phonon-assisted
energy
transfer
(PAET)
from
Yb3+
(2F5/2)
to
Ho3+
(5I5)
based
on
with
negative
expansion
(NTE)
properties.
Under
980
nm
laser
excitation,
FL
5F4
→
5I8
(Ho3+)
transition
extended
35.65
52.94
μs
(280
480
K)
corresponding
changed
green
red
Lu2Mo3O12:
Ho3+,
Yb3+.
Accordingly,
dual-mode
self-calibration
thermometer
was
constructed
through
technology
(5F4
transition)
Commission
Internationale
de
Eclairage
chromaticity
coordinate
ratio
(CIER)
technology.
Ultimately,
feasibility
verified
high
stability
temperature
sensitivity
(δT
=
0.9
K,
CIER),
indicating
that
it
is
prospective
candidate
visualized
warning
sensing.
