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Influence of the Thickness of TiO<sub>2</sub>/TiO<sub>2-x</sub> Layers on the Behavior of a Memristor Device
TiO2/TiO2-x 박막층의 두께가 멤리스터 소자의 특성에 미치는 영향
Han-Sang Kim, Sung-Jin Kim
김한상, 김성진
Korean J. Met. Mater. 2019;57(2):84-90.   Published online 2019 Feb 5
DOI: https://doi.org/10.3365/KJMM.2019.57.2.84

Memristors have been extensively investigated as the fourth fundamental circuit element. Titanium oxide is a common material used to fabricate memristors. In this paper, we investigated the influence of the thickness of the oxide active layer on the Al/TiO2-x/TiO2/heavily doped electrode memristor architecture. An insulating TiO2 thin-film was deposited using..... More

Electrical and Optical Investigation of the Growth Behavior of Au Nanoparticles Fabricated on Various Matrix Materials by the Alternating Sputtering Method
교번스퍼터링법에 의해 다양한 기지상 재료위에 형성된 Au 나노입자의 성장거동에 대한 전기, 광학적 분석
Bum-Joon Kim, Hyun Chul Kim, Jong-Geon Park, Kyeong-Seok Lee
김범준, 김현철, 박종건, 이경석
Korean J. Met. Mater. 2017;55(10):739-744.   Published online 2017 Sep 28
DOI: https://doi.org/10.3365/KJMM.2017.55.10.739

Nanocomposite films, which are comprised of metal nanoparticles dispersed in a matrix layer, have attracted great interest due to their unique electrical and optical properties, which are mainly due to the excitation of localized surface plasmons. In this study, we employed an alternating sputtering method to fabricate such nanocomposite films...... More

Wetting Behavior of Liquids on Micro-Patterned Polymer Surfaces Fabricated by Thermal Imprinting
Kwang-Jin Bae, Wenhui Yao, Yiliang He, Young-Rae Cho
Korean J. Met. Mater. 2017;55(9):624-631.   Published online 2017 Aug 30
DOI: https://doi.org/10.3365/KJMM.2017.55.9.624

The wetting behavior of liquids on solid surfaces is important in the study of surfaces and interfaces. In this study, the wetting behavior of deionized (DI) water and hexadecane on fluorinated and micro-patterned polymer surfaces was investigated. The sample surfaces were processed by spray coating and thermal imprinting, respectively. The..... More

Study of Solution-Processed Indium Zinc Oxide TFTs Made by Simultaneous Spin Coating and Ultraviolet Light Irradiation
스핀코팅과 자외선 조사의 동시 적용을 기반한 용액 공정형 Indium Zinc 산화물 트랜지스터 연구
Fei Shan, Sung-Jin Kim
선비, 김성진
Korean J. Met. Mater. 2017;55(8):572-575.   Published online 2017 Aug 1
DOI: https://doi.org/10.3365/KJMM.2017.55.8.572

We investigated solution-processed indium zinc oxide (IZO) thin-film transistors (TFTs) which were fabricated by spin coating with simultaneous irradiation by ultraviolet light. The proposed treatment enhanced the efficient condensation and densification of the oxide semiconducting channel layer by decreasing oxygen-vacancy-related defects and increasing metal-oxide bonds. An IZO TFT irradiated for..... More

Calculation of Inductance, Capacitance, and Microwave Absorbance of Modified Square Loop Frequency Selective Surface
변형된 사각 루프 주파수 선택 표면의 인덕턴스, 커패시턴스 계산 및 전파흡수특성
Tian Liu, Sung-Soo Kim
류전, 김성수
Korean J. Met. Mater. 2017;55(6):412-418.   Published online 2017 Jun 1
DOI: https://doi.org/10.3365/KJMM.2017.55.6.412

The square loop (SL) is the typical pattern of a frequency selective surface (FSS) with high inductance (L) and capacitance (C). In this study, modified patterns including split square loop FSS (SSL-FSS) and I-type FSS (I-FSS) are proposed, and their L and C values were estimated using the equivalent circuit..... More

The Effects of Particle Size on the Surface Properties of an HVOF Coating of WC-Co
WC-Co 초고속 화염용사코팅 표면특성에 미치는 분말입자의 크기
Tong Yul Cho, Jae Hong Yoon, Sang Hwan Yoon, Yun Kon Joo, Won Ho Choi, Young Bok Son
조동율, 윤재홍, 윤상환, 주윤곤, 최원호, 손영복
Korean J. Met. Mater. 2017;55(4):227-231.   Published online 2017 Apr 6
DOI: https://doi.org/10.3365/KJMM.2017.55.4.227

The effects of particle size on the surface properties of HVOF spray coating were studied to improve of the durability of metal components. Micro and nano sized WC-12Co powders were coated on the surface of Inconel718, and the effects of particle size on surface properties were studied. Surface hardness was..... More

Plastic Working & Materials Processing
The Effect of Mixed Slurry of Fe and Graphite on the Characteristics of Laser Carburized Surface
레이저 침탄공정시 철과 흑연의 혼합 슬러리가 침탄특성에 미치는 효과
Won-Jong Ji, Seong-Hoon Lee, Young-Hoon Moon
지원종, 이성훈, 문영훈
Korean J. Met. Mater. 2017;55(1):16-23.   Published online 2017 Jan 5
DOI: https://doi.org/10.3365/KJMM.2017.55.1.16

Laser surface carburizing can be achieved by a laser alloying mechanism, which includes melting the graphite coated substrate and dissolution of the graphite in the liquid state. The drawback of laser carburizing is that process-induced cracks frequently form on the carburized surface as a result of carbon enrichment and the..... More

         Cited By 1
Catalytic Activity and Surface Characteristics of WO<sub>3</sub>-doped MnO<sub>x</sub>-TiO<sub>2</sub> Catalysts for Low-temperature Selective Catalytic Reduction of NO<sub>x</sub> with NH<sub>3</sub>
Byeongkil Shin, Heesoo Lee, Hyun Park
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
The effect of added WO3 on the catalytic activity and surface characteristics of the MnOx-TiO2 system was investigated for the low-temperature selective catalytic reduction of NOx with NH3. Based on physio-chemical characterizations, the specific surface areas of the WO3-MnOx-TiO2 catalysts increased from 76.12 m2/g to 90.29 m2/g as the WO3... More
Electronic Materials
The Effects of Bis(3-Sulfo-Propyl)di-Sulfide (SPS) Additives on the Surface Morphology and Mechanical Properties of Electrolytic Copper Foil
전해 동박의 표면 형상 및 기계적 물성에 미치는 SPS 첨가제 영향
Tae-Gyu Woo
Korean J. Met. Mater. 2016;54(9):681-687.   Published online 2016 Sep 5
DOI: https://doi.org/10.3365/KJMM.2016.54.9.681

In this study the effects of Bis(3-Sulfo-Propyl)di-Sulfide (SPS) on the elongation, surface morphology and crystal structure of electrolytic copper foil were investigated. Additives HEC (hydroxyethyl cellulose) (A), SPS(B), Coll-A(C) were used in the study, and the additive used as D was a Cl- ion. The study results show that there..... More

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