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Korean Journal of Materials Research最新文献

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Properties of Green-Emitting CaNb2O6:Tb3+ Thin Films Grown by Radio-Frequency Magnetron Sputtering 射频磁控溅射法生长的绿色发光 CaNb2O6:Tb3+ 薄膜的特性
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.400
Seonkyeong Kim, Shinho Cho
{"title":"Properties of Green-Emitting CaNb2O6:Tb3+ Thin Films Grown by Radio-Frequency Magnetron Sputtering","authors":"Seonkyeong Kim, Shinho Cho","doi":"10.3740/mrsk.2023.33.10.400","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.400","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"235 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139312383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
γ'-Precipitation Free Zone and γ' Rafting Related to Surface Oxidation in Creep Condition of Directionally Solidified CM247LC Superalloy 定向凝固 CM247LC 超耐热合金蠕变条件下与γ'表面氧化有关的γ'-无沉淀区和γ'漂移
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.406
Byung Hak Choe, Kwang Soo Choi, S. Han, D. Kim, Jong-Kee Ahn, Dong Su Kang, Seong-Moon Seo
{"title":"γ'-Precipitation Free Zone and γ' Rafting Related to Surface Oxidation in Creep Condition of Directionally Solidified CM247LC Superalloy","authors":"Byung Hak Choe, Kwang Soo Choi, S. Han, D. Kim, Jong-Kee Ahn, Dong Su Kang, Seong-Moon Seo","doi":"10.3740/mrsk.2023.33.10.406","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.406","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"31 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139312841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MOF-Derived FeCo-Based Layered Double Hydroxides for Oxygen Evolution Reaction 用于氧进化反应的 MOF 衍生钴铁基层状双氢氧化物
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.377
Fang Zheng, Mayur A Gaikwad, Jin Hyeok Kim
{"title":"MOF-Derived FeCo-Based Layered Double Hydroxides for Oxygen Evolution Reaction","authors":"Fang Zheng, Mayur A Gaikwad, Jin Hyeok Kim","doi":"10.3740/mrsk.2023.33.10.377","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.377","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"11 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139312517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristics of Heavy Metal Oxide Glasses in BaO-GeO2-La2O3-ZnO-Sb2O3 System for Infrared Lens 用于红外透镜的 BaO-GeO2-La2O3-ZnO-Sb2O3 体系重金属氧化物玻璃的特性
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.414
Sang-Jin Park, Bok-Hyun Oh, Sang-Jin Lee
{"title":"Characteristics of Heavy Metal Oxide Glasses in BaO-GeO2-La2O3-ZnO-Sb2O3 System for Infrared Lens","authors":"Sang-Jin Park, Bok-Hyun Oh, Sang-Jin Lee","doi":"10.3740/mrsk.2023.33.10.414","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.414","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"166 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139312581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
pH-Controlled Synthesis of Carbon Xerogels for Coin-Type Organic Supercapacitor Electrodes 用于纽扣型有机超级电容器电极的碳聚合物的 pH 值控制合成
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.430
Ji Chul Jung, Wonjong Jung
{"title":"pH-Controlled Synthesis of Carbon Xerogels for Coin-Type Organic Supercapacitor Electrodes","authors":"Ji Chul Jung, Wonjong Jung","doi":"10.3740/mrsk.2023.33.10.430","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.430","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"3 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139312977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Mg Addition on the Microstructure and Mechanical Properties of Al-Li-Ce Alloys 添加镁对铝-锂-铈合金微观结构和力学性能的影响
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.393
Byeong-Kwon Lee, Eun Ko, Yong-Ho Kim, H. Yoo, H. Son, Sung-Kil Hong
{"title":"Effect of Mg Addition on the Microstructure and Mechanical Properties of Al-Li-Ce Alloys","authors":"Byeong-Kwon Lee, Eun Ko, Yong-Ho Kim, H. Yoo, H. Son, Sung-Kil Hong","doi":"10.3740/mrsk.2023.33.10.393","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.393","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"190 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139313058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alloying Effects of BCC-Fe Based Low-Alloy Steel on Mechanical and Thermal Expansion Properties for a Plant Engineering: Ab Initio Calculation BCC-Fe 低合金钢的合金化效应对工厂工程机械和热膨胀性能的影响：Ab Initio 计算
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.422
Myungjae Kim, J. Kwak, Jiwoong Kim, Kyung-Nam Kim
{"title":"Alloying Effects of BCC-Fe Based Low-Alloy Steel on Mechanical and Thermal Expansion Properties for a Plant Engineering: Ab Initio Calculation","authors":"Myungjae Kim, J. Kwak, Jiwoong Kim, Kyung-Nam Kim","doi":"10.3740/mrsk.2023.33.10.422","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.422","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"113 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139312753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of Hollandite Powders as a Nuclear Waste Ceramic Forms by a Solution Combustion Synthesis 用溶液燃烧合成法合成作为核废料陶瓷形式的荷兰石粉末
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-10-27 DOI: 10.3740/mrsk.2023.33.10.385
Choong-Hwan Jung, Sooji Jung
{"title":"Synthesis of Hollandite Powders as a Nuclear Waste Ceramic Forms by a Solution Combustion Synthesis","authors":"Choong-Hwan Jung, Sooji Jung","doi":"10.3740/mrsk.2023.33.10.385","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.10.385","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"13 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139312971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Substrate Bias Voltage on the Electrical and Optical Properties of IWO Thin Films 衬底偏置电压对IWO薄膜电学和光学性能的影响
Korean Journal of Materials Research Pub Date : 2023-09-27 DOI: 10.3740/mrsk.2023.33.9.372
Jae-Wook Choi, Yeon-Hak Lee, Min-Sung Park, Young-Min Kong, Daeil Kim
{"title":"Influence of Substrate Bias Voltage on the Electrical and Optical Properties of IWO Thin Films","authors":"Jae-Wook Choi, Yeon-Hak Lee, Min-Sung Park, Young-Min Kong, Daeil Kim","doi":"10.3740/mrsk.2023.33.9.372","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.9.372","url":null,"abstract":"Transparent conductive tungsten (W) doped indium oxide (In2O3; IWO) films were deposited at different substrate bias voltage (-Vb) conditions at room temperature on glass substrates by radio frequency (RF) magnetron sputtering and the influence of the substrate bias voltage on the optical and electrical properties was investigated. As the substrate bias voltage increased to –350 Vb, the IWO films showed a lower resistivity of 2.06 × 10-4 Ωcm. The lowest resistivity observed for the film deposited at –350 Vb could be attributed to its higher mobility, of 31.8 cm2/Vs compared with that (6.2 cm2/Vs) of the films deposited without a substrate bias voltage (0 Vb). The highest visible transmittance of 84.1 % was also observed for the films deposited at the –350 Vb condition. The X-ray diffraction observation indicated the IWO films deposited without substrate bias voltage were amorphous phase without any diffraction peaks, while the films deposited with bias voltage were polycrystalline with a low In2O3 (222) diffraction peak and relatively high intensity (431) and (046) diffraction peaks. From the observed visible transmittance and electrical properties, it is concluded that the opto-electrical performance of the polycrystalline IWO film deposited by RF magnetron sputtering can be enhanced with effective substrate bias voltage conditions.","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135635688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Partial Substitution of Copper with Nickel for the Superconducting Bismuth Compound and Its Effect on the Physical and Electrical Properties 用镍部分取代铜制备超导铋化合物及其对其物理电学性能的影响
Korean Journal of Materials Research Pub Date : 2023-09-27 DOI: 10.3740/mrsk.2023.33.9.360
Kareem Ali Jasim, Riyam Abd Al-Zahra Fadil, Kassim Mahdi Wadi, Auday Hattem Shaban
{"title":"Partial Substitution of Copper with Nickel for the Superconducting Bismuth Compound and Its Effect on the Physical and Electrical Properties","authors":"Kareem Ali Jasim, Riyam Abd Al-Zahra Fadil, Kassim Mahdi Wadi, Auday Hattem Shaban","doi":"10.3740/mrsk.2023.33.9.360","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.9.360","url":null,"abstract":"This study focuses on how the partial substitution of copper by nickel nanoparticles affects the electrical and structural properties of the Bi2Ba2Ca2Cu2.9Ni0.1O10+δ, Bi2Ba2Ca2Cu2.8Ni0.2O10+δ and Bi2Ba2Ca2Cu2.6Ni0.4O10+δ compounds. Approximate values of crystallization size and crystallization percentage for the three compounds were calculated using the Scherer, modified Scherer, and Williamson-Hall methods. A great similarity was observed in the crystal size values from the Scherer method, 243.442 nm, and the Williamson-Hall method, 243.794 nm for the second sample. At the same time this sample exhibited the highest crystal size value for the three methods. In the examination of electrical properties, the sample with 0.1 partial substitution, Bi2Ba2Ca2Cu2.9Ni0.1O10+δ was determined to be the best with a critical temperature of 100 K and an energy gap of 6.57639 × 10-21 MeV. Using the SEM technique to analyze the structural morphology of the three phases, it was discovered that the size of the granular forms exceeds 25 nm. It was determined that the samples’ shapes alter when nickel concentration rises. The patterns that reveal the distribution of the crystal structure also exhibit clear homogeneity.","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135635689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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