ECS Journal of Solid State Science and Technology,
Journal Year:
2024,
Volume and Issue:
13(3), P. 037008 - 037008
Published: March 11, 2024
In
the
current
study,
magnetic
nanoparticles
of
neodymium
and
samarium
substituted
Mg-Zn-Cu,
with
a
chemical
composition
Mg
0.5
Zn
Cu
0.05
R
x
Fe
1.95-x
O
4
(x
=
0.05;
Nd,
Sm)
were
produced
via
sol-gel
auto-combustion
route.
XRD
indicates
evolution
cubic
symmetry
having
Fd3m
space
group
no
impurities
at
room
temperature.
The
FESEM
images
show
irregularly
shaped
agglomerated
grains
in
all
samples.
FTIR
examination
reveals
stretching
vibrations
among
metal
cations
anions
interstitial
vacancies.
M-H
graphs
demonstrates
that
prepared
nanoferrites
have
low
rentivity
(0.18–0.84
emu
g
−1
)
coercivity
(11.25–34.03
Oe)
indicating
formation
superparamagnetic
nature.
From
electromagnetic
traits,
observed
sample’s
real
permeability
(
μ
″)
permittivity
ε
′)
along
dielectric
loss
reduced
increasing
applied
field
frequency,
typical
behaviour
spinel
nanoferrites.
This
may
be
explained
by
Maxwell-Wagner
interfacial
polarisation
electron
hopping
ferrous
ferric
ions.
variations
coercivity,
anisotropy
constant,
traits
provide
strong
evidence
samples
are
thermally
stable
potential
to
used
solenoids
transformers,
also,
more
resistive
devices
operate
high
frequency.
