ACS Nano,
Год журнала:
2023,
Номер
17(24), С. 24449 - 24467
Опубликована: Дек. 5, 2023
The
"marriage"
of
light
(i.e.,
photon)
and
matter
exciton)
in
semiconductors
leads
to
the
formation
hybrid
quasiparticles
called
exciton
polaritons
with
fascinating
quantum
phenomena
such
as
Bose–Einstein
condensation
(BEC)
photon
blockade.
research
has
been
evolving
into
an
era
emergent
two-dimensional
(2D)
photonic
structures
for
their
tremendous
potential
break
current
limitations
fundamental
study
applications.
In
this
Perspective,
basic
concepts
2D
excitons,
optical
resonators,
strong
coupling
regime
are
introduced.
progress
is
reviewed,
important
discoveries
(especially
recent
ones
polaritons)
highlighted.
Subsequently,
discussed
detail,
ranging
from
realization
various
systems
attractive
interesting
physics
extensive
Moreover,
emerging
semiconductors,
perovskites
(2DPK)
antiferromagnetic
(AFM)
surveyed
manipulation
distinct
control
degrees
freedom
(DOFs).
Finally,
outlook
on
nonlinear
interactions
presented
our
initial
numerical
simulations.
This
Perspective
not
only
aims
provide
in-depth
overview
latest
findings
but
also
attempts
serve
a
valuable
resource
prospect
explorations
optics
topological
Nano Letters,
Год журнала:
2024,
Номер
24(15), С. 4319 - 4329
Опубликована: Апрель 3, 2024
The
discovery
of
magnetic
order
at
the
2D
limit
has
sparked
new
exploration
van
der
Waals
magnets
for
potential
use
in
spintronics,
magnonics,
and
quantum
information
applications.
However,
many
these
materials
feature
low
ordering
temperatures
poor
air
stability,
limiting
their
fabrication
into
practical
devices.
In
this
Mini-Review,
we
present
a
promising
material
fundamental
studies
functional
use:
CrSBr,
an
air-stable,
two-dimensional
semiconductor.
Our
discussion
highlights
experimental
research
on
bulk
including
quasi-1D
semiconducting
properties,
A-type
antiferromagnetic
(TN
=
132
K),
strong
coupling
between
its
electronic
properties.
We
then
discuss
behavior
monolayer
few-layer
flakes
perspective
avenues
further
CrSBr.
Science China Information Sciences,
Год журнала:
2024,
Номер
67(6)
Опубликована: Май 29, 2024
Abstract
Over
the
past
70
years,
semiconductor
industry
has
undergone
transformative
changes,
largely
driven
by
miniaturization
of
devices
and
integration
innovative
structures
materials.
Two-dimensional
(2D)
materials
like
transition
metal
dichalcogenides
(TMDs)
graphene
are
pivotal
in
overcoming
limitations
silicon-based
technologies,
offering
approaches
transistor
design
functionality,
enabling
atomic-thin
channel
transistors
monolithic
3D
integration.
We
review
important
progress
application
2D
future
information
technology,
focusing
particular
on
microelectronics
optoelectronics.
comprehensively
summarize
key
advancements
across
material
production,
characterization
metrology,
electronic
devices,
optoelectronic
heterogeneous
silicon.
A
strategic
roadmap
challenges
for
from
basic
research
to
industrial
development
outlined.
To
facilitate
such
a
transition,
technologies
tools
dedicated
must
be
developed
meet
standards,
employment
AI
growth,
characterizations,
circuit
will
essential.
It
is
time
academia
actively
engage
with
drive
next
10
years
research.
ACS Nano,
Год журнала:
2024,
Номер
18(4), С. 2898 - 2905
Опубликована: Янв. 19, 2024
The
layered,
air-stable
van
der
Waals
antiferromagnetic
compound
CrSBr
exhibits
pronounced
coupling
among
its
optical,
electronic,
and
magnetic
properties.
As
an
example,
exciton
dynamics
can
be
significantly
influenced
by
lattice
vibrations
through
exciton-phonon
coupling.
Using
low-temperature
photoluminescence
spectroscopy,
we
demonstrate
the
effective
between
excitons
phonons
in
nanometer-thick
CrSBr.
By
careful
analysis,
identify
that
satellite
peaks
predominantly
arise
from
interaction
optical
phonon
with
a
frequency
of
118
cm
Two-dimensional
(2D)
ferromagnetic
materials
are
subjects
of
intense
research
owing
to
their
intriguing
physicochemical
properties,
which
hold
great
potential
for
fundamental
and
spintronic
applications.
Specifically,
2D
van
der
Waals
(vdW)
retain
both
structural
integrity
chemical
stability
even
at
the
monolayer
level.
Moreover,
due
atomic
thickness,
these
can
be
easily
manipulated
by
stacking
them
with
other
vdW
ferroic
nonferroic
materials,
enabling
precise
control
over
physical
properties
expanding
functional
Consequently,
materials-based
heterostructures
offer
a
platform
tailor
magnetic
explore
advanced
devices.
This
review
aims
provide
an
overview
recent
developments
in
emerging
The
fabrication
approaches
primarily
summarized,
followed
two
categories
heterostructures:
ferromagnetic/ferroic
ferromagnetic/nonferroic
heterostructures.
Subsequently,
progress
made
modulating
emergence
various
phenomena
is
highlighted.
Furthermore,
applications
such
devices
discussed
along
future
perspectives
directions
this
exciting
field.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
Abstract
In
materials
with
1D
electronic
bands,
electron–electron
interactions
can
produce
intriguing
quantum
phenomena,
including
spin‐charge
separation
and
charge
density
waves
(CDW).
Most
of
these
systems,
however,
are
non‐magnetic,
motivating
a
search
for
anisotropic
where
the
coupling
spin
may
affect
emergent
states.
Here,
chemical
intercalation
van
der
Waals
magnetic
semiconductor
CrSBr
yields
Li
0.17(2)
(tetrahydrofuran)
0.26(3)
CrSBr,
which
possesses
an
electronically
driven
quasi‐1D
CDW
onset
temperature
above
room
temperature.
Concurrently,
electron
doping
increases
ordering
from
132
to
200
K
switches
its
interlayer
antiferromagnetic
ferromagnetic.
The
spin‐polarized
nature
bands
that
give
rise
this
enforces
intrinsic
spin.
coexistence
interplay
ferromagnetism
modulation
in
exfoliatable
material
provide
promising
platform
studying
tunable
phenomena
across
range
temperatures
thicknesses.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 3, 2024
Abstract
Magnetism
in
two-dimensional
materials
reveals
phenomena
distinct
from
bulk
magnetic
crystals,
with
sensitivity
to
charge
doping
and
electric
fields
monolayer
bilayer
van
der
Waals
magnet
CrI
3
.
Within
the
class
of
layered
magnets,
semiconducting
CrSBr
stands
out
by
featuring
stability
under
ambient
conditions,
correlating
excitons
order
thus
providing
strong
magnon-exciton
coupling,
exhibiting
peculiar
magneto-optics
exciton-polaritons.
Here,
we
demonstrate
that
both
exciton
transitions
trilayer
are
sensitive
voltage-controlled
field-effect
charging,
bound
exciton-charge
complexes
doping-induced
metamagnetic
transitions.
Moreover,
how
these
unique
properties
enable
optical
probes
local
order,
visualizing
domains
competing
phases
across
induced
field
or
electrostatic
doping.
Our
work
identifies
few-layer
as
a
rich
platform
for
exploring
collaborative
effects
charge,
excitations,
magnetism.
ACS Nano,
Год журнала:
2024,
Номер
18(12), С. 8600 - 8625
Опубликована: Март 12, 2024
Accurately
controlling
magnetic
and
spin
states
presents
a
significant
challenge
in
spintronics,
especially
as
demands
for
higher
data
storage
density
increased
processing
speeds
grow.
Approaches
such
light
control
are
gradually
supplanting
traditional
field
methods.
Traditionally,
the
modulation
of
magnetism
was
predominantly
achieved
through
polarized
with
help
ultrafast
technologies.
With
growing
demand
energy
efficiency
multifunctionality
spintronic
devices,
integrating
photovoltaic
materials
into
magnetoelectric
systems
has
introduced
more
physical
effects.
This
development
suggests
that
sunlight
will
play
an
increasingly
pivotal
role
manipulating
orientation
future.
review
introduces
concludes
influence
various
types
on
magnetism,
exploring
mechanisms
magneto-optical
(MO)
effects,
light-induced
phase
transitions,
briefly
summarizes
recent
advancements
sunlight,
their
potential
applications,
providing
optimistic
perspective
future
research
directions
this
area.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июль 17, 2024
Abstract
Since
their
first
observation
in
2017,
atomically
thin
van
der
Waals
(vdW)
magnets
have
attracted
significant
fundamental,
and
application-driven
attention.
However,
low
ordering
temperatures,
T
c
,
sensitivity
to
atmospheric
conditions
difficulties
preparing
clean
large-area
samples
still
present
major
limitations
further
progress,
especially
amongst
magnetic
semiconductors.
The
remarkably
stable,
high-
vdW
magnet
CrSBr
has
the
potential
overcome
these
key
shortcomings,
but
its
nanoscale
properties
rich
phase
diagram
remain
poorly
understood.
Here
we
use
single
spin
magnetometry
quantitatively
characterise
saturation
magnetization,
anisotropy
constants,
transitions
few-layer
by
direct
imaging.
We
show
pristine
phases,
devoid
of
defects
on
micron
length-scales,
demonstrate
remarkable
air-stability
down
monolayer
limit.
furthermore
address
spin-flip
transition
bilayer
imaging
phase-coexistence
regions
antiferromagnetically
(AFM)
ordered
fully
aligned
spins.
Our
work
will
enable
engineering
exotic
electronic
phases
realization
novel
nanomagnetic
devices
based
this
highly
promising
magnet.
Light Science & Applications,
Год журнала:
2024,
Номер
13(1)
Опубликована: Авг. 21, 2024
In
recent
years,
two-dimensional
(2D)
van
der
Waals
materials
have
emerged
as
a
focal
point
in
research,
drawing
increasing
attention
due
to
their
potential
for
isolating
and
synergistically
combining
diverse
atomic
layers.
Atomically
thin
transition
metal
dichalcogenides
(TMDs)
are
one
of
the
most
alluring
owing
exceptional
electronic
optical
properties.
The
tightly
bound
excitons
with
giant
oscillator
strength
render
TMDs
an
ideal
platform
investigate
strong
light-matter
coupling
when
they
integrated
cavities,
providing
wide
range
possibilities
exploring
novel
polaritonic
physics
devices.
this
review,
we
focused
on
advances
TMD-based
coupling.
foremost
position,
discuss
various
structures
strongly
coupled
TMD
materials,
such
Fabry-Perot
photonic
crystals,
plasmonic
nanocavities.
We
then
present
several
intriguing
properties
relevant
device
applications
polaritons.
end,
delineate
promising
future
directions
study
materials.
