Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
Eutectic
high-entropy
alloys
(EHEAs),
characterized
by
their
combination
of
hard
and
ductile
phases,
hold
broad
application
prospects
in
terms
mechanical
properties.
However,
the
current
performance
these
is
not
satisfactory.
Herein,
a
new
design
approach
presented
for
EHEAs,
focusing
on
precise
composition
regulation
each
phase
dual-phase
alloy.
Hierarchically
heterogeneous
microstructure
integrating
various
strengthening
mechanisms
successfully
introduced
such
as
transformation,
twinning,
nanoprecipitates
(NPs)
into
single
system.
Finally,
overall
strength
ductility
are
effectively
enhanced.
Specifically,
ultimate
tensile
1571
MPa,
uniform
elongation
22%,
maximum
can
reach
2045MPa.
Notably,
high
Al
content
EHEA
reduces
its
density,
resulting
specific
273
MPa
cm3
g-1
HEAs.
The
multi-mechanism
assisted
(MMAS)
strategy
expected
to
provide
guidance
like
EHEAs
future.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(12), С. 6021 - 6041
Опубликована: Янв. 1, 2024
This
review
provides
a
comprehensive
overview
of
the
recent
advancements
in
controllable
synthesis
high-entropy
alloys,
ranging
from
approach
and
significance
composition,
morphology,
structure,
surface/interface
engineering.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
64(2)
Опубликована: Авг. 29, 2024
Abstract
Investigating
the
formation
and
transformation
mechanisms
of
spiral‐concave
crystals
holds
significant
potential
for
advancing
innovative
material
design
comprehension.
We
examined
kinetics‐controlled
nucleation
growth
Prussian
Blue
with
spiral
concave
structures,
constructed
a
detailed
crystal
phase
diagram.
The
hexacyanoferrate
(SC‐HCF)
crystals,
characterized
by
high‐density
surface
steps
low
stress‐strain
architecture,
exhibit
enhanced
activity
due
to
their
facile
interaction
reactants.
Notably,
coordination
environment
SC‐HCF
can
be
precisely
modulated
introduction
diverse
metals.
Utilizing
X‐ray
absorption
fine
structure
spectroscopy
in
situ
ultraviolet‐visible
spectroscopy,
we
elucidated
mechanism
Co‐HCF
facilitated
oriented
adsorption‐ion
exchange
(OA‐IE)
process.
Both
experimental
data,
density
functional
theory
confirm
that
possesses
an
optimized
energy
band
structure,
capable
adjusting
local
electronic
enhancing
performance
oxygen
evolution
reaction.
This
work
not
only
elucidates
regulation
rich
HCF,
but
also
offers
novel
perspective
constructing
nanocrystals
intricate
structures.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
64(1)
Опубликована: Сен. 21, 2024
Phase
engineering
is
a
critical
strategy
in
electrocatalysis,
as
it
allows
for
the
modulation
of
electronic,
geometric,
and
chemical
properties
to
directly
influence
catalytic
performance.
Despite
its
potential,
phase
remains
particularly
challenging
thermodynamically
stable
perovskites,
especially
2D
structure
constraint.
Herein,
we
report
LaNiO
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 24, 2025
Hydrogen,
as
a
promising
clean
energy
carrier,
underscores
the
critical
need
for
reliable
detection
technologies
to
ensure
its
safe
and
efficient
use.
Magnesium
(Mg)
thin
films,
with
their
hydrogenochromic
properties,
are
particularly
well-suited
hydrogen
sensing
applications
due
dramatic
optical
transitions.
However,
practical
implementation
faces
challenges
in
achieving
both
rapid
response
durability
under
cyclic
conditions.
To
overcome
these
limitations,
advanced
interfacial
tuning
techniques
have
been
developed
optimize
diffusion
pathways
reinforce
structural
resilience.
This
review
focuses
on
scientific
mechanism
governing
interaction
between
Mg-based
films
hydrogen,
highlighting
suitability
sensors
superior
characteristics.
Controllable
manufacturing
methods
allow
precise
control
over
alloy
composition
microstructure
of
facilitating
construction
phases
interfaces
conducive
support
hydride
formation,
ultimately
improving
performance.
Recent
advancements
engineering,
refined
situ
characterization
techniques,
drive
development
films.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(23), С. 8212 - 8222
Опубликована: Янв. 1, 2024
F-doped
Ni(OH)
2
/Ni–B
with
amorphous
heterojunction
and
F-induced
dual
effects
is
prepared
by
a
facile
process
for
efficient
stable
alkaline
hydrogen
evolution.
