New trends in nanoparticle exsolution
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(62), P. 7987 - 8007
Published: Jan. 1, 2024
Many
relevant
high-temperature
chemical
processes
require
the
use
of
oxide-supported
metallic
nanocatalysts.
The
harsh
conditions
under
which
these
operate
can
trigger
catalyst
degradation
Language: Английский
Application of Machine Learning Interatomic Potentials in Heterogeneous Catalysis
Gbolagade Olajide,
No information about this author
Khagendra Baral,
No information about this author
Sophia Ezendu
No information about this author
et al.
Published: Jan. 1, 2025
Language: Английский
Applications of machine learning in surfaces and interfaces
Chemical Physics Reviews,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: March 1, 2025
Surfaces
and
interfaces
play
key
roles
in
chemical
material
science.
Understanding
physical
processes
at
complex
surfaces
is
a
challenging
task.
Machine
learning
provides
powerful
tool
to
help
analyze
accelerate
simulations.
This
comprehensive
review
affords
an
overview
of
the
applications
machine
study
systems
materials.
We
categorize
into
following
broad
categories:
solid–solid
interface,
solid–liquid
liquid–liquid
surface
solid,
liquid,
three-phase
interfaces.
High-throughput
screening,
combined
first-principles
calculations,
force
field
accelerated
molecular
dynamics
simulations
are
used
rational
design
such
as
all-solid-state
batteries,
solar
cells,
heterogeneous
catalysis.
detailed
information
on
for
Language: Английский
How graph neural network interatomic potentials extrapolate: Role of the message-passing algorithm
The Journal of Chemical Physics,
Journal Year:
2024,
Volume and Issue:
161(24)
Published: Dec. 23, 2024
Graph
neural
network
interatomic
potentials
(GNN-IPs)
are
gaining
significant
attention
due
to
their
capability
of
learning
from
large
datasets.
Specifically,
universal
based
on
GNN,
usually
trained
with
crystalline
geometries,
often
exhibit
remarkable
extrapolative
behavior
toward
untrained
domains,
such
as
surfaces
and
amorphous
configurations.
However,
the
origin
this
extrapolation
is
not
well
understood.
This
work
provides
a
theoretical
explanation
how
GNN-IPs
extrapolate
geometries.
First,
we
demonstrate
that
can
capture
non-local
electrostatic
interactions
through
message-passing
algorithm,
evidenced
by
tests
toy
models
density-functional
theory
data.
We
find
GNN-IP
models,
SevenNet
MACE,
accurately
predict
forces
in
indicating
they
have
learned
exact
functional
form
Coulomb
interaction.
Based
these
results,
suggest
ability
learn
interactions,
coupled
embedding
nature
GNN-IPs,
explains
ability.
GNN-IP,
SevenNet-0,
effectively
infers
domains
but
fails
arising
kinetic
term,
which
supports
suggested
theory.
Finally,
address
impact
hyperparameters
performance
potentials,
SevenNet-0
MACE-MP-0,
discuss
limitations
capabilities.
Language: Английский