发布求助
文献互助 智能选刊 最新文献

Materials Letters: X最新文献

筛选
英文 中文
Americium doping induced self irradiation of SrBPO5: 241Am: Spectroscopic insight 掺汞诱导SrBPO5:241Am的自辐射：光谱透视
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2023-02-18 DOI: 10.1016/j.mlblux.2023.100185
M. Mohapatra , Santosh K. Gupta
{"title":"Americium doping induced self irradiation of SrBPO5: 241Am: Spectroscopic insight","authors":"M. Mohapatra ,&nbsp;Santosh K. Gupta","doi":"10.1016/j.mlblux.2023.100185","DOIUrl":"10.1016/j.mlblux.2023.100185","url":null,"abstract":"<div><p>In the present work, <sup>241</sup>Am incorporated in SrBPO<sub>5</sub> (SBP) host matrix was investigated by various spectroscopic techniques to understand the trap level spectroscopic properties of the system. Photoluminescence (PL) depicted stabilization of Am in +3 oxidation state with low local symmetry. Thermoluminescence (TL) on the other hand suggested that creation of self irradiated defects in SBP:<sup>241</sup>Am leads to a glow curve around 463 K. Electron spin resonance (ESR) further confirmed the creation of borate radical in axial symmetry on doping ‘Am’ in SBP with hyperfine splitting. We could further propose the mechanism of TL glow curve on doping Am in the SBP lattice.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100185"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42826823","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
A titanium dioxide-based thick film gas sensor for propanol 一种基于二氧化钛的丙醇厚膜气体传感器
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2023-01-25 DOI: 10.1016/j.mlblux.2023.100184
Ankit Kumar Vishwakarma , Ajaya Kumar Sharma , Ashok Kumar Mishra , Lallan Yadava
{"title":"A titanium dioxide-based thick film gas sensor for propanol","authors":"Ankit Kumar Vishwakarma ,&nbsp;Ajaya Kumar Sharma ,&nbsp;Ashok Kumar Mishra ,&nbsp;Lallan Yadava","doi":"10.1016/j.mlblux.2023.100184","DOIUrl":"10.1016/j.mlblux.2023.100184","url":null,"abstract":"<div><p>In the present paper, we reported the sensing behavior and mechanism of a titanium dioxide-based thick film sensor for the detection of propanol at room temperature. Undoped titanium dioxide (UTO) and 2 wt% cadmium sulfide doped titanium dioxide (CdTO) thick film samples are fabricated on an alumina substrate. The response of the fabricated samples is measured with varying concentrations of propanol (0–5000 ppm) in a testing chamber at room temperature. The measurement showed that the 2 wt% CdS doped sample showed a maximum response (63 %) for propanol. The transient response is also measured and the response time is 65 s and recovery 195 s.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100184"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48346451","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
Size dependent photocatalytic activities of rod-shape SnO2 nanocrystals 棒状SnO2纳米晶体的尺寸依赖性光催化活性
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2023-02-28 DOI: 10.1016/j.mlblux.2023.100186
I-Che Li, Tsung-Wei Zeng
{"title":"Size dependent photocatalytic activities of rod-shape SnO2 nanocrystals","authors":"I-Che Li,&nbsp;Tsung-Wei Zeng","doi":"10.1016/j.mlblux.2023.100186","DOIUrl":"10.1016/j.mlblux.2023.100186","url":null,"abstract":"<div><p>Various rod-shape SnO<sub>2</sub> nanocrystals of different sizes and shapes were synthesized to study the desirable morphology for photocatalytic applications. An optimal apparent photocatalytic rate constant of 0.0809/min<sup>−1</sup> was achieved for smaller SnO<sub>2</sub> nanorods with diameter of ∼2.9 nm and with length of ∼9.3 nm, which is attributed to suitable nanostructures and high crystallinity. Photocatalytic activities as a function of growth and evolution of SnO<sub>2</sub> nanorods are revealed.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100186"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49641521","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: 3
Synthesis and characterization of nanostructured silica powders using rice hull ash-based sodium silicate solution by precipitation and calcination 稻壳灰基水玻璃溶液沉淀法和煅烧法合成纳米二氧化硅粉体及表征
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2022-12-09 DOI: 10.1016/j.mlblux.2022.100175
Emie Salamangkit Mirasol , Masaru Shimomura
{"title":"Synthesis and characterization of nanostructured silica powders using rice hull ash-based sodium silicate solution by precipitation and calcination","authors":"Emie Salamangkit Mirasol ,&nbsp;Masaru Shimomura","doi":"10.1016/j.mlblux.2022.100175","DOIUrl":"10.1016/j.mlblux.2022.100175","url":null,"abstract":"<div><p>Herein, characteristics of the nanostructured silica powders (NsSP) synthesized from Philippine rice hull ash-based sodium silicate solution by precipitation (pH 2, pH 6) and calcination (600 °C, 900 °C) were presented. Characterizations confirmed that the synthesized NsSP contains high amount of SiO<sub>2</sub>. NsSP obtained at pH 2 revealed higher mass losses by ∼ 12 % until 900 °C and higher intensities of –OH and Si–OH bonds than obtained at pH 6. Calcination of NsSP at 900 °C removes the Si–OH bond leading to a relative growth in the SiO<sub>2</sub> primary particles but SiO<sub>2</sub> structure remained amorphous. Morphology of NsSP obtained at pH 2 were cloud-like while NsSP obtained at pH 6 were bead-like and more distinct.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100175"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47780616","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
Basalt powder as reinforcement material in polyurethane foams with reduced flammability and self-extinguish properties 玄武岩粉作为聚氨酯泡沫中的增强材料，具有降低可燃性和自熄性
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2022-12-05 DOI: 10.1016/j.mlblux.2022.100173
Joyce Massoni Tonetto , Ana Paula Romio , Juliana Kloss , Michele Di Domenico , Claiton Zanini Brusamarello
{"title":"Basalt powder as reinforcement material in polyurethane foams with reduced flammability and self-extinguish properties","authors":"Joyce Massoni Tonetto ,&nbsp;Ana Paula Romio ,&nbsp;Juliana Kloss ,&nbsp;Michele Di Domenico ,&nbsp;Claiton Zanini Brusamarello","doi":"10.1016/j.mlblux.2022.100173","DOIUrl":"10.1016/j.mlblux.2022.100173","url":null,"abstract":"<div><p>Composite polyurethane (PU) foams were effectively synthesized by the mass polymerization method with concentrations of natural basalt powder from 0 to 100 wt%. By increasing basalt's content, the foams had more considerable growth, suggesting a catalyst effect of its inherent metallic compounds during the reaction. Adding basalt powder decreased the traction and compression resistances and increased the foam's density and thermal stability. Still, the increase in basalt content reduced the burning time of the foams, indicating enhanced properties as a flame retardant and self-extinguishing capacity compared to traditional foams.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100173"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41590732","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
Selective laser oxidation sintering of cuprous oxide 选择性激光氧化烧结氧化亚铜
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 DOI: 10.1016/j.mlblux.2022.100172
Asif Ur Rehman, Abid Ullah, Tingting Liu, Rashid Ur Rehman, M. U. Salamci, Wenhe Liao
{"title":"Selective laser oxidation sintering of cuprous oxide","authors":"Asif Ur Rehman, Abid Ullah, Tingting Liu, Rashid Ur Rehman, M. U. Salamci, Wenhe Liao","doi":"10.1016/j.mlblux.2022.100172","DOIUrl":"https://doi.org/10.1016/j.mlblux.2022.100172","url":null,"abstract":"","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"1 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"54921267","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
Optical and structural properties of CdS-ZnO thick film CdS-ZnO厚膜的光学和结构特性
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2022-12-24 DOI: 10.1016/j.mlblux.2022.100180
Ajaya Kumar Sharma , Ankit Kumar Vishwakarma , Lallan Yadava
{"title":"Optical and structural properties of CdS-ZnO thick film","authors":"Ajaya Kumar Sharma ,&nbsp;Ankit Kumar Vishwakarma ,&nbsp;Lallan Yadava","doi":"10.1016/j.mlblux.2022.100180","DOIUrl":"10.1016/j.mlblux.2022.100180","url":null,"abstract":"<div><p>In the present work, we report the fabrication and characterization of undoped ZnO and Cadmium Sulfide (CdS) and Zinc Oxide (ZnO) thick films. The structural properties of ZnO films are characterized by X-ray Diffraction (XRD). It is evident from XRD that, the crystallite size of fabricated ZnO and CdS-ZnO films are 45 nm and 38 nm respectively. Optical properties have been investigated by U-V absorption. It is observed from U-V Spectroscopy that the band gap decreases with CdS doping. We found that all deposited ZnO thin films are to be polycrystalline structures of wurtzite, and the crystallite size of ZnO is in the nanometric range which further decreases with CdS doping.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100180"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46800687","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: 2
Mechanical property investigation of welded joints in 10HFTBch steel for the automobile wheel production 汽车车轮用10HFTBch钢焊接接头力学性能研究
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2023-01-16 DOI: 10.1016/j.mlblux.2023.100181
S. Sheyko , V. Tsyganov , O. Hrechanyi , T. Vasilchenko , A. Vlasov
{"title":"Mechanical property investigation of welded joints in 10HFTBch steel for the automobile wheel production","authors":"S. Sheyko ,&nbsp;V. Tsyganov ,&nbsp;O. Hrechanyi ,&nbsp;T. Vasilchenko ,&nbsp;A. Vlasov","doi":"10.1016/j.mlblux.2023.100181","DOIUrl":"10.1016/j.mlblux.2023.100181","url":null,"abstract":"<div><p>Rational method for micro alloying auto sheet rolled steel of low-pearlite, 10 HFTBch steel, which contributed to more uniform indicators of the mechanical properties of welded joints obtaining in the heat-affected zone and weld was chosen. It brought them closer to the properties of the base metal.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100181"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43023590","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: 1
Effect of variations in pouring temperature on tensile strength of CuZn cast alloys 浇注温度变化对CuZn铸造合金抗拉强度的影响
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2023-01-21 DOI: 10.1016/j.mlblux.2023.100182
Akhyar , Iqbal , Nurdin Ali , Husni Husin
{"title":"Effect of variations in pouring temperature on tensile strength of CuZn cast alloys","authors":"Akhyar ,&nbsp;Iqbal ,&nbsp;Nurdin Ali ,&nbsp;Husni Husin","doi":"10.1016/j.mlblux.2023.100182","DOIUrl":"10.1016/j.mlblux.2023.100182","url":null,"abstract":"<div><p>The solidification rate of materials affects the properties of the cast product and the pouring temperature also influences the freezing conditions of cast-metal alloys. The propose of this study is to evaluate the tensile strength of cast samples by using five variations of pouring temperatures through permanent molds by a gravity casting process. The results showed that the tensile strength maximum was 443 MPa at 1210 °C, the freezing range affected the tensile properties of cast samples.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100182"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44149243","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: 1
Selective laser oxidation sintering of cuprous oxide 选择性激光氧化烧结氧化亚铜
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 Epub Date: 2022-12-01 DOI: 10.1016/j.mlblux.2022.100172
Asif Ur Rehman , Abid Ullah , Tingting Liu , Rashid Ur Rehman , Metin Uymaz Salamci , Wenhe Liao
{"title":"Selective laser oxidation sintering of cuprous oxide","authors":"Asif Ur Rehman ,&nbsp;Abid Ullah ,&nbsp;Tingting Liu ,&nbsp;Rashid Ur Rehman ,&nbsp;Metin Uymaz Salamci ,&nbsp;Wenhe Liao","doi":"10.1016/j.mlblux.2022.100172","DOIUrl":"https://doi.org/10.1016/j.mlblux.2022.100172","url":null,"abstract":"<div><p>Laser powder bed fusion (LPBF) has revolutionized many industries. In this paper, we report a new approach of LPBF for oxide ceramics with selective oxidation that reduces cracks and manufacturing defects. In this method, laser energy density was used to control the oxidation within the material article. Cuprous oxide was additively manufactured into CuO with remarkable crack reduction and improvement in microstructure. The effect of process parameters on the microstructure of Cu<sub>2</sub>O and its oxidation behavior toward energy beam of different laser powers were analyzed. The experimental results clarified that the oxidation was increased by increasing the laser power in the presence of oxygen.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100172"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49745458","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信
小红书