Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
135(40)
Published: Aug. 19, 2023
Abstract
Remote
temperature
probing
at
the
cryogenic
range
is
of
utmost
importance
for
advancement
future
quantum
technologies.
Despite
notable
achievements
in
luminescent
thermometers,
accurately
measuring
temperatures
below
10
K
remains
a
challenging
endeavor.
In
this
study,
we
propose
novel
magneto‐optical
thermometric
approach
based
on
magnetic‐circular
dichroism
(MCD)
technique,
which
offers
unprecedented
capabilities
meticulous
variation
analysis
temperatures.
The
inherent
sensitivity
MCD
C
‐term,
conjunction
with
both
positive
and
negative
signals,
enables
highly
sensitive
probing.
Additionally,
groundbreaking
relative
thermal
value
95.3
%
−1
2.54
can
be
achieved
using
mononuclear
lanthanide
complex,
[[Ho(acac)
3
(phen)],
presence
0.25
T
applied
magnetic
field
combination
multiparametric
read‐out
multiple
regression.
These
results
unequivocally
demonstrate
viability
effectiveness
our
methodology
sensing.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(9), P. 5930 - 6050
Published: April 30, 2024
Since
the
last
century,
we
have
witnessed
development
of
molecular
magnetism
which
deals
with
magnetic
materials
based
on
species,
i.e.,
organic
radicals
and
metal
complexes.
Among
them,
broadest
attention
was
devoted
to
molecule-based
ferro-/ferrimagnets,
spin
transition
materials,
including
those
exploring
electron
transfer,
nanomagnets,
such
as
single-molecule
magnets
(SMMs),
qubits,
stimuli-responsive
materials.
Their
physical
properties
open
application
horizons
in
sensors,
data
storage,
spintronics,
quantum
computation.
It
found
that
various
optical
phenomena,
thermochromism,
photoswitching
characteristics,
luminescence,
nonlinear
chiroptical
effects,
well
responsivity
external
stimuli,
can
be
implemented
into
Moreover,
fruitful
interactions
these
effects
provide
new
cross-effects
multifunctionality,
enriching
applications
optical,
electronic,
devices.
This
Review
aims
show
scope
phenomena
generated
recent
advances
areas
high-temperature
photomagnetism,
thermometry
utilizing
SMMs,
addressability
magneto-chiral
dichroism,
opto-magneto-electric
multifunctionality.
These
findings
are
discussed
context
types
accessible
for
classes
Chemical Science,
Journal Year:
2023,
Volume and Issue:
14(22), P. 5827 - 5841
Published: Jan. 1, 2023
In
this
perspective,
we
provide
an
overview
of
the
recent
achievements
in
luminescent
lanthanide-based
molecular
cluster-aggregates
(MCAs)
and
illustrate
why
MCAs
can
be
seen
as
next
generation
highly
efficient
optical
materials.
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(15), P. 4643 - 4657
Published: Jan. 1, 2023
We
review
the
recent
research
progress
of
multifunctional
lanthanide-based
single-molecule
magnets
exhibiting
luminescence
thermometry
and
photochromic
ferroelectric
properties,
as
well
synergistic
effect
between
them.
Advanced Optical Materials,
Journal Year:
2022,
Volume and Issue:
10(22)
Published: Sept. 5, 2022
Abstract
Molecular
crystals
acting
as
temperature
sensors,
designed
for
multiple
measurement
techniques,
can
be
a
promising
pathway
self‐calibrating
thermometers.
The
molecular
assemblies
[Dy
x
III
Y
1–x
(phen)
2
(μ‐OH)
(H
O)
]·[Au
I
(SCN)
]
·phen·0.5MeCN·0.5H
O
(
=
0,
0.1,
0.02;
phen
1,10‐phenanthroline)
which
contain
weakly
bonded
lanthanide(III)
and
Au(I)
metal
complexes
are
reported.
They
have
Raman
scattering
in
the
low‐frequency
(LF)
region
with
sharp
peaks,
one
of
prerequisites
to
design
thermometric
behaviors
characterized
by
three
vibrational
bands,
their
thermal
sensitivity
is
compared
emission
ability.
LF
phonon
linked
Au···Au
vibration
helps
increase
Additionally,
magnetically
diluted
containing
both
Dy
3+
ions
prepared
demonstrate
effect
sensing
capability
through
spectroscopy
among
isostructural
mixed‐metal
materials.
Compounds
immersed
inside
various
benchtop
solvents
unravel
robustness
functioning
Furthermore,
they
reveal
single‐molecule
magnet
properties,
disclose
phonons
on
spin
relaxation
process.
Therefore,
reported
materials
luminescent
thermometers,
magnetic
center
thiocyanidoaurate
playing
critical
role
due
emissive
activities.
Chemical Science,
Journal Year:
2023,
Volume and Issue:
15(6), P. 2141 - 2157
Published: Dec. 21, 2023
Nd-luminescence
in
NdM
2
N@C
80
(M
=
Sc,
Lu,
Y)
reveals
the
relationship
between
strain,
ligand-field
splitting,
nephelauxetic
effect,
and
magnetic
axiality.
Crystal Growth & Design,
Journal Year:
2023,
Volume and Issue:
23(2), P. 1084 - 1094
Published: Jan. 16, 2023
Lanthanide
complexes
featuring
luminescent
and/or
single-molecule
magnet
(SMM)
characteristic(s)
are
proposed
candidates
to
develop
molecule-based
spintronics,
memory,
and
quantum
information
processing
(QIP)
device
architectures.
Herein,
we
report
on
the
SMM
of
charge-neutral
binuclear
lanthanide
complexes─[Ln2Cl6(4-picNO)4(μ2-4-picNO)2]·2H2O
(Ln3+
=
Tb3+
([Tb2])
or
Dy3+
([Dy2]);
4-picNO
4-picoline-N-oxide).
The
Dy
Tb
show
4-picNO-sensitized
luminescence
with
yields
in
solid
state
0.14%
88%,
respectively.
complex
is
an
a
magnetization
reversal
barrier
(Ueff)
20.6(4)
cm–1
under
zero
applied
magnetic
field,
whereas
not
SMM.
facile
preparation
[Ln2Cl6(4-picNO)4(μ2-4-picNO)2]·2H2O
showing
high
yield
(Tb3+)
characteristics
(Dy3+)
might
prove
useful
toward
designing
analogue
luminescent-SMM
hybrids
suitable
for
technological
applications.
