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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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금속산화물 나노구조체를 이용한 화학저항식 가스센서의 최신 연구동향
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고재권, 박인혁, 심영석, 홍구택, 권기창
Korean J. Met. Mater.
2024;62(2):142-153. Published online 2024 Jan 30
DOI:
https://doi.org/10.3365/KJMM.2024.62.2.142
Abstract
In the modern era, advanced industrial and process technologies in various fields are known to produce harmful gases. These gases typically leak at low concentrations, but continuous exposure can cause serious harm to health and safety. Since human sensory organs cannot detect these risks or leaking hazardous gases, there has.....
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Korean J. Met. Mater.
;59(2):135-141. Published online 2021 Jan 27
DOI:
https://doi.org/10.3365/KJMM.2021.59.2.135
Abstract
The formation of porous material structures has been widely investigated for the development of high-performance energy materials, catalysts, and chemical sensing devices. Various nanoporous structure fabrication methods are based on wet-chemical processes, which require precise control of the process parameters. Physical vapor deposition such as thermal evaporation utilizes high vacuum.....
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Web of Science 3
Crossref 3
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급속응고된 Fe-Si-B(-Cu-Zr-Ca)계 나노결정 합금의 미세조직과 결정립성장 억제에 관한 연구
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임현아, 정준영, 안수봉, 손근용, 박원욱
Korean J. Met. Mater.
2020;58(9):633-638. Published online 2020 Aug 19
DOI:
https://doi.org/10.3365/KJMM.2020.58.9.633
Abstract
Magnetic induction and resonance wireless power charging generally operates in a high frequency range, and its efficiency is degraded by the generation of heat at high frequency. This makes it necessary to develop new soft magnetic materials capable of maintaining their characteristics even at high frequency. The purpose of this.....
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Web of Science 3
Crossref 2
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대기압의 공기 분위기에서 촉매를 사용하지 않는 열증발법을 이용하여 생성된 TiO
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나노구조
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이근형
Korean J. Met. Mater.
2020;58(5):353-356. Published online 2020 Apr 14
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.353
Abstract
TiO
2
nanostructures were synthesized using a thermal evaporation method without a catalyst. TiO powders mixed with graphite powders were used as the source materials. The synthesis process was performed in air atmosphere at 1000 °C. When the mass ratio of TiO/graphite in the source material was 2:1, TiO
2
nanowires and.....
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Web of Science 3
Crossref 5
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Korean J. Met. Mater.
2020;58(5):304-318. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.304
Abstract
This study investigated the removal of the organic dye like methylene blue using porous particles in a batch adsorption process. Porous silica microparticles were synthesized with macropores or meso-macropores and used as adsorbent particles. The hierarchically porous structures with additional mesopores were found to be more effective adsorbent than simple.....
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Web of Science 3
Crossref 3
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Ni 박막 위 20 nm급 고정렬 Pt 크로스-바 구조물의 형성 방법
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박태완, 정현성, 조영래, 이정우, 박운익
Korean J. Met. Mater.
2018;56(12):910-914. Published online 2018 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.12.910
Abstract
Since catalyst technology is one of the promising technologies to improve the working performance of next generation energy and electronic devices, many efforts have been made to develop various catalysts with high efficiency at a low cost. However, there are remaining challenges to be resolved in order to use the.....
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Crossref 3
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Korean J. Met. Mater.
2018;56(9):658-663. Published online 2018 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.9.658
Abstract
Titanium nitride (TiN) has been used extensively in coating materials and cutting tools because of its attractive properties, which include low density, high melting point, high hardness and thermodynamic stability. However, like many ceramic materials, its low fracture toughness limits wide industrial application. The methods generally utilized to improve its.....
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Crossref 16
Optical Devices & Energy Materials
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수열합성법으로 성장시킨 TiO
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나노로드의 형태학적, 구조적, 광전기화학적 특성 연구
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최하영, 류혁현, 이원재
Korean J. Met. Mater.
2017;55(1):46-52. Published online 2017 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2017.55.1.46
Abstract
We investigated the effects of growth duration on the morphological, structural, and photoelectrochemical properties of TiO
2
nanorods grown on a TiO
2
-buffered fluorine-doped tin oxide (FTO) substrate using the hydrothermal method. From the study, we found that the photoelectrochemical properties were mainly dependent on the nanorod length and (002) XRD peak.....
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Crossref 2
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나노구조 SiC-Graphene 복합재료 급속소결
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손인진
Korean J. Met. Mater.
2016;54(12):893-898. Published online 2016 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.12.893
Abstract
The low mechanical properties of SiC limit its wide application despite many attractive properties. To improve the mechanical properties, a second phase has been generally added to make a nanostructured composite. In this respect, graphene was evaluated as the reinforcing agent of SiC. SiC-graphene composites were sintered within 2 min.....
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Crossref 3
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Korean J. Met. Mater.
2016;54(10):787-792. Published online 2016 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.10.787
Abstract
The effect of added WO
3
on the catalytic activity and surface characteristics of the MnO
x
-TiO
2
system was investigated for the low-temperature selective catalytic reduction of NO
x
with NH
3
. Based on physio-chemical characterizations, the specific surface areas of the WO
3
-MnO
x
-TiO
2
catalysts increased from 76.12 m
2
/g to 90.29 m
2
/g as the WO
3
...
More
Crossref 1
Materials Analysis & Characterization
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미세쌍정의 투과전자현미경 해석
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류근걸, 하미영, 이강득
Korean J. Met. Mater.
2016;54(9):711-715. Published online 2016 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.9.711
Abstract
Micro-twinning has been investigated in some state-of-the-art materials by transmission electron microscopy, but such characterizations have not been clear so far. Micro-twins must be characterized by identifying their spots in the electron diffraction pattern, which is very unique compared to normal defects such as dislocations or stacking.....
More
Crossref 2
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