|
Home
|
E-Submission/Review
|
Sitemap
|
Editorial Office
|
목적 및 범위
Aims and Scope
저널 정보
About the Journal
편집위원회
Editorial Board
Open Access
편집국
Editorial Office
논문투고안내
Instructions for Authors
연구윤리규정
Research and Publication Ethics
필수 점검 사항
Checklist
논문투고사이트
E-Submission
저작권이양동의서
Copyright Transfer Agreement
발간호 검색
All issues
출판전 논문
Online First
현재 발행 호
Current Issue
많이 읽힌 논문
Most Read Articles
많이 인용된 논문
Most Cited Articles
개별 논문 검색
Korean J. Met. Mater.
Search
저자 색인
Author Index
Korean Journal of Metals and Materials
Search
> Browse Articles > Search
E
n
h
a
n
c
e
d
E
l
e
c
t
r
o
m
a
g
n
e
t
i
c
W
a
v
e
A
b
s
o
r
p
t
i
o
n
i
n
H
e
x
a
f
e
r
r
i
t
e
/
L
S
M
O
B
i
l
a
y
e
r
s
:
O
p
t
i
m
i
z
a
t
i
o
n
o
f
S
t
r
u
c
t
u
r
a
l
D
e
s
i
g
n
U
s
i
n
g
a
H
i
g
h
F
r
e
q
u
e
n
c
y
S
o
f
t
w
a
r
e
S
i
m
u
l
a
t
i
o
n
J
a
e
-
H
e
e
H
e
o
,
T
a
e
-
W
o
o
L
e
e
,
Y
o
u
n
g
-
M
i
n
K
a
n
g
,
S
a
n
g
-
M
i
n
L
e
e
Korean J. Met. Mater.
2024;62(11):868-878. Published online 2024 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2024.62.11.868
Abstract
In this study, the electromagnetic (EM) wave absorption properties of a two-layered structure composed of La
0.7
Sr
0.3
MnO
3
-epoxy (10 wt.%) (LSMO) and SrFe
9.5
Co
1.25
Ti
1.25
O
19
-epoxy (10 wt.%) (SFCTO), both exhibiting distinct high-frequency magnetic and dielectric properties, were investigated using a High Frequency Simulation Software (HFSS) simulation tool. LSMO had a high dielectric constant (ε'.....
More
M
i
c
r
o
w
a
v
e
A
b
s
o
r
p
t
i
o
n
C
h
a
r
a
c
t
e
r
i
s
t
i
c
s
o
f
M
<
s
u
p
>
2
+
,
3
+
<
/
s
u
p
>
(
M
=
M
n
<
s
u
p
>
3
+
<
/
s
u
p
>
,
Z
n
<
s
u
p
>
2
+
<
/
s
u
p
>
,
N
i
<
s
u
p
>
2
+
<
/
s
u
p
>
)
-
s
u
b
s
t
i
t
u
t
e
d
S
r
<
s
u
b
>
3
<
/
s
u
b
>
C
o
<
s
u
b
>
2
<
/
s
u
b
>
F
e
<
s
u
b
>
2
4
<
/
s
u
b
>
O
<
s
u
b
>
4
1
<
/
s
u
b
>
H
e
x
a
f
e
r
r
i
t
e
C
o
m
p
o
s
i
t
e
s
M
2+, 3+
(M = Mn
3+
, Zn
2+
, Ni
2+
)이 치환된 Sr
3
Co
2
Fe
24
O
41
hexaferrite 복합체의 전자기파 흡수 특성
J
a
e
-
H
e
e
H
e
o
,
Y
o
u
n
g
-
M
i
n
K
a
n
g
허재희, 강영민
Korean J. Met. Mater.
2024;62(8):645-655. Published online 2024 Jul 31
DOI:
https://doi.org/10.3365/KJMM.2024.62.8.645
Abstract
Mn, Zn, Ni-substituted Z-type hexaferrites, Sr
3
Co
2
Fe
24
O
41
(Sr
3
Co
2
Fe
24-x
Mn
x
O
41
, Sr
3
Co
2-y
Zn
y
Fe
24
O
41
, Sr
3
Co
1-z
Ni
z
ZnFe
24
O
41
), were prepared by sol-gel synthesis processes and their high-frequency magnetic, dielectric and electromagnetic (EM) wave absorption characteristics were investigated. Substituting Mn for Fe by
x
= 0.5 maintained the single-phase Z phase while shifting the μ' , μ″ spectra towards lower.....
More
S
y
n
t
h
e
s
i
s
,
C
h
a
r
a
c
t
e
r
i
z
a
t
i
o
n
,
a
n
d
E
l
e
c
t
r
o
m
a
g
n
e
t
i
c
W
a
v
e
A
b
s
o
r
b
i
n
g
P
r
o
p
e
r
t
i
e
s
o
f
L
a
<
s
u
b
>
0
.
7
<
/
s
u
b
>
S
r
<
s
u
b
>
0
.
3
<
/
s
u
b
>
M
n
O
<
s
u
b
>
3
<
/
s
u
b
>
La
0.7
Sr
0.3
MnO
3
의 합성, 특성 평가 및 전자기파 흡수 특성
J
a
e
H
e
e
H
e
o
,
Y
o
u
n
g
-
M
i
n
K
a
n
g
허재희, 강영민
Korean J. Met. Mater.
2023;61(3):183-189. Published online 2023 Feb 24
DOI:
https://doi.org/10.3365/KJMM.2023.61.3.183
Abstract
Perovskite manganese La
0.7
Sr
0.3
MnO
3
(LSMO) powders were prepared by sol-gel synthesis and calcination in the temperature (
T
) range of 500~1200 o C and their structures and electromagnetic (EM) wave absorption properties were investigated. X-ray diffraction (XRD) analysis revealed that the crystalline perovskite phase can be formed at
T
≥ 600
o
C......
More
Web of Science 3
Crossref 3
F
a
b
r
i
c
a
t
i
o
n
a
n
d
E
l
e
c
t
r
o
m
a
g
n
e
t
i
c
w
a
v
e
a
b
s
o
r
p
t
i
o
n
P
r
o
p
e
r
t
i
e
s
o
f
C
o
-
C
u
-
s
u
b
s
t
i
t
u
t
e
d
N
i
-
Z
n
S
p
i
n
e
l
F
e
r
r
i
t
e
-
e
p
o
x
y
C
o
m
p
o
s
i
t
e
s
Co, Cu가 치환된 Ni-Zn 스피넬 페라이트-에폭시 복합체의 제조와 전자기파 흡수 특성
J
i
-
E
u
n
Y
o
o
,
Y
o
u
n
g
-
M
i
n
K
a
n
g
유지은, 강영민
Korean J. Met. Mater.
2020;58(12):887-895. Published online 2020 Dec 4
DOI:
https://doi.org/10.3365/KJMM.2020.58.12.887
Abstract
Spinel ferrites (Ni
0.5
Zn
0.5
)
1-
x-y
Co
x
Cu
y
Fe
2
O
4
, (
x
= 0 and
y
= 0,
x
= 0.2 and
y
= 0,
x
= 0.1 and
y
= 0.1,
x
= 0 and
y
= 0.2) were prepared by sol-gel method and post-annealed at 1100
o
C. The grain growth of the sample is very sensitive.....
More
Web of Science 5
Crossref 2
1
|
Journal Impact Factor 1.1