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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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M
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La과 Mn으로 이중 도핑된 n형 Mg
3
La
0.005
Mn
x
SbBi의 열전특성
S
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주성재, 손지희, 장정인, 민복기, 김봉서
Korean J. Met. Mater.
2024;62(1):45-50. Published online 2023 Dec 29
DOI:
https://doi.org/10.3365/KJMM.2024.62.1.45
Abstract
Mg
3
Sb
2
-based n-type materials are consisted of earth-abundant elements and possess comparable thermoelectric properties with n-type Bi
2
Te
3
at low temperatures, which make them promising candidates for cooling and power generation applications in terms of cost and performance. Substitution of Sb atom with chalcogen elements (Te, Se S) is a conventional method.....
More
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K
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Korean J. Met. Mater.
2023;61(11):842-848. Published online 2023 Oct 29
DOI:
https://doi.org/10.3365/KJMM.2023.61.11.842
Abstract
SnSe
2
alloys have been investigated in recent times as potential
n
-type thermoelectric materials. In this study, the thermoelectric transport properties of a series of Sb-doped SnSe
2
, Sn(Se
1-x
Sb
x
)
2
(
x
= 0, 0.015, 0.03, 0.045, 0.06) alloys are investigated. The electrical conductivity was generally enhanced with Sb doping owing to a large.....
More
Web of Science 1
Crossref 1
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M
a
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l
s
소결온도 최적화에 의한 Mg
3
SbBi
0.99
Te
0.01
n형 소재의 열전특성 향상
S
u
n
g
-
J
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J
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J
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S
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J
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J
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-
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,
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-
K
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주성재, 손지희, 장정인, 김봉서, 민복기
Korean J. Met. Mater.
2023;61(10):785-792. Published online 2023 Sep 25
DOI:
https://doi.org/10.3365/KJMM.2023.61.10.785
Abstract
Mg
3
Sb
2
-based materials are promising candidates to replace n-type Bi
2
Te
3
for cooling and power generation at low temperatures. Generally, the thermoelectric performance of a material is sensitively affected by synthesis process parameters, and among them, sintering temperature (
T
s
) is a critical one. In this study, n-type Mg
3
SbBi
0.99
Te
0.01
polycrystalline samples were fabricated.....
More
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(
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=
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b
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b
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Korean J. Met. Mater.
2023;61(9):694-703. Published online 2023 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2023.61.9.694
Abstract
Wet chemical analysis techniques for four elements (M = As, Pb, Sb, and Sn) in Ag – M binary alloys were investigated with emphasis on the choice of solvent acid and the characteristic wavelength used in the ICP-AES (Inductively-Coupled Plasma Atomic Emission Spectrometer) analysis. The elements are representative tramp elements.....
More
Web of Science 1
Crossref 1
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Debye-Callaway 모델 기반 Yb(Cd
1-
x
Mg
x
)
2
Sb
2
열전 합금의 격자 열전도도 분석
M
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s
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허민수, 권승환, 서원선, 김상일, 김현식
Korean J. Met. Mater.
2023;61(8):608-615. Published online 2023 Jul 24
DOI:
https://doi.org/10.3365/KJMM.2023.61.8.608
Abstract
YbCd
2
Sb
2
-based Zintl phases have been identified as promising materials for thermoelectric applications due to their high Seebeck coefficient and electrical conductivity. However, their high thermal conductivity limits their overall thermoelectric performance. To address this, Mg has recently been introduced as an alloying element at Cd atomic sites to reduce the.....
More
Web of Science 1
Crossref 1
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l
s
La 도핑된 n형 Mg
3
SbBi 열전소재의 합성 및 열전특성
S
u
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g
-
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J
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주성재, 손지희, 장정인, 민복기, 김봉서
Korean J. Met. Mater.
2023;61(6):437-443. Published online 2023 May 18
DOI:
https://doi.org/10.3365/KJMM.2023.61.6.437
Abstract
Mg
3
Sb
2
-based materials are very promising for thermoelectric applications at low temperatures, and are strong candidates to replace n-type Bi
2
Te
3
for cooling and power generation. Substituting Sb atoms with chalcogen elements (S, Se, Te) is a typical method of n-type doping, while doping the Mg site with Group 3 elements (Y,.....
More
Web of Science 1
Crossref 1
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b
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>
YbCd
2-x
Mg
x
Sb
2
열전 합금의 열전 성능 증대 메커니즘 분석
S
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,
H
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K
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권승환, 김상일, 허민수, 서원선, 노종욱, 양희선, 김현식
Korean J. Met. Mater.
2023;61(3):198-205. Published online 2023 Feb 24
DOI:
https://doi.org/10.3365/KJMM.2023.61.3.198
Abstract
YbCd
2
Sb
2
is a promising Zintl compound for waste heat recovery applications due to its low thermal conductivity, originating from its complex crystal structure. Many strategies such as alloying or doping have been suggested to further reduce the thermal conductivity of YbCd
2
Sb
2
to improve its thermoelectric performance. However, the.....
More
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a
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Bi
2
Te
3
, Sb
2
Te
3
, 및 Bi
0.5
Sb
1.5
Te
3
플레이크들의 광학 및 광전자적 특성
H
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조현승, 김주원, 김상일, 김태완
Korean J. Met. Mater.
2023;61(2):107-114. Published online 2023 Jan 27
DOI:
https://doi.org/10.3365/KJMM.2023.61.2.107
Abstract
In this study, a mechanical exfoliation method was developed for the synthesis of high purity Bi
2
Te
3
, Sb
2
Te
3
, and Bi
0.5
Sb
1.5
Te
3
flakes. The synthesized Bi
2
Te
3
, Sb
2
Te
3
, and Bi
0.5
Sb
1.5
Te
3
flakes were characterized by atomic force microscope, Raman spectroscopy, and photoluminescence (PL). The effect of the thickness of the Bi
2
Te
3
, Sb
2
Te
3
, and Bi
0.5
Sb
1.5
Te
3
flakes.....
More
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N
b
F
e
S
b
H
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f
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M
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T
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,
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S
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g
-
J
a
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,
J
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I
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J
a
n
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,
J
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-
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S
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n
,
B
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g
-
S
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K
i
m
,
B
o
k
-
K
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M
i
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Korean J. Met. Mater.
2022;60(11):858-864. Published online 2022 Oct 31
DOI:
https://doi.org/10.3365/KJMM.2022.60.11.858
Abstract
NbFeSb-based alloys are promising
p
-type half-Heusler materials with excellent thermoelectric performance, thermal stability, and naturally abundant constituent elements. Alloying and doping are powerful techniques for enhancing the thermoelectric properties of half-Heusler materials. This study experimentally investigated the effects of V alloying in NbFeSb codoped with Ti, Zr, and Sn. As.....
More
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p
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o
n
T
h
i
n
F
i
l
m
s
스핀 코팅법에 의한 Sb
2
S
3
광흡수층 박막의 기계적 거동
M
a
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Z
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a
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g
,
D
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Y
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,
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,
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y
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L
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장마오, 유다영, 전영선, 이동윤
Korean J. Met. Mater.
2021;59(1):1-7. Published online 2021 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.1.1
Abstract
To measure the mechanical properties of Sb
2
S
3
, a two-component compound semiconductor used in the light absorption layer of a solar cell, Sb
2
S
3
thin films were formed on FTO glass using the spin coating method. The spin-coated Sb
2
S
3
thin films were heat-treated at 200
o
C in an Ar atmosphere for up.....
More
Web of Science 3
Crossref 3
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P
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t
i
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s
o
f
B
i
-
S
b
-
T
e
A
l
l
o
y
s
Bi-Sb-Te계 합금의 열전물성에 대한 Cu 및 In 첨가 영향
H
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u
n
J
u
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C
h
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K
i
m
,
S
a
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g
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I
l
K
i
m
조현준, 김현식, 김상일
Korean J. Met. Mater.
2019;57(10):673-678. Published online 2019 Sep 23
DOI:
https://doi.org/10.3365/KJMM.2019.57.10.673
Abstract
Herein we report the effect of Cu/In doping on the electronic and thermal transport properties of Bi-Sb-Te thermoelectric alloys. To closely examine the role of each doping element when incorporated in a Bi
0.4
Sb
1.6
Te
3
alloy, different groups of samples were prepared and characterized, including undoped Bi
0.4
Sb
1.6
Te
3
, In single-doped samples and In.....
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Web of Science 9
Crossref 6
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Korean J. Met. Mater.
2017;55(9):637-644. Published online 2017 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2017.55.9.637
Abstract
In the photovoltaic industries, the main technique of metallization is screen printing with silver pastes, due to its simple and quick process. However, the high price of silver paste is one of the barriers to the producing of low cost solar cells. Consequently, a primary target in photovoltaic research is.....
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Crossref 3
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nanowire arrays와 PEDOT: PSS를 이용한 유･무기 열전 복합소재 합성 및 특성평가
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노상현, 김지원, 박운익, 김양도, 임재홍
Korean J. Met. Mater.
2017;55(6):432-439. Published online 2017 Jun 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.6.432
Abstract
Hybrid organic/inorganic composites have recently been investigated in the thermoelectric field in an effort to interdependently manipulate the charge carriers, which are interconnected with electrical and thermal transport. The decoupling of a charge carrier’s roles in the hybrid structures can result in enhanced thermoelectric performance, by only exploiting the high.....
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Crossref 2
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