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High-temperature thermoelastic martensitic transformations in Ni44Fe19Ga27Co10 single crystals Ni44Fe19Ga27Co10 单晶中的高温热弹性马氏体转变
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-21 DOI: 10.1016/j.matlet.2024.137744
E.E. Timofeeva , E.Yu. Panchenko , M.V. Zherdeva , A.B. Tokhmetova , A.I. Tagiltsev , N.Yu. Surikov , I.D. Fatkullin , M.C. Dmitrienko , M.N. Volochaev , Yu.I. Chumlyakov
{"title":"High-temperature thermoelastic martensitic transformations in Ni44Fe19Ga27Co10 single crystals","authors":"E.E. Timofeeva ,&nbsp;E.Yu. Panchenko ,&nbsp;M.V. Zherdeva ,&nbsp;A.B. Tokhmetova ,&nbsp;A.I. Tagiltsev ,&nbsp;N.Yu. Surikov ,&nbsp;I.D. Fatkullin ,&nbsp;M.C. Dmitrienko ,&nbsp;M.N. Volochaev ,&nbsp;Yu.I. Chumlyakov","doi":"10.1016/j.matlet.2024.137744","DOIUrl":"10.1016/j.matlet.2024.137744","url":null,"abstract":"<div><div>For the first time Ni<sub>44</sub>Fe<sub>19</sub>Ga<sub>27</sub>Co<sub>10</sub> single crystals with high-temperature martensitic transformation (M<sub>s</sub> = 336 K) and high-temperature superelasticity (373–548 K) under tension and compression were obtained after annealing at 1448 K for 6 h, followed by fast quenching in ice-cold salt water. The increase in temperature is associated with the precipitation of the large γ-particles and the substantial decrease in the precipitation of the nanosized ω-phase, which was observed in the single crystals after annealing at 1448 K for 1 h with slower water quenching.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"380 ","pages":"Article 137744"},"PeriodicalIF":2.7,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-assembled composite cathode material Pr0.5In0.5BaCo3ZnO7+δ for solid oxide fuel cells 用于固体氧化物燃料电池的自组装复合阴极材料 Pr0.5In0.5BaCo3ZnO7+δ
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-21 DOI: 10.1016/j.matlet.2024.137745
Shilun Fu, Yichu Ma, Zejun Yin, Yawen Wang, Mengyu Yang, Qingjun Zhou
{"title":"Self-assembled composite cathode material Pr0.5In0.5BaCo3ZnO7+δ for solid oxide fuel cells","authors":"Shilun Fu,&nbsp;Yichu Ma,&nbsp;Zejun Yin,&nbsp;Yawen Wang,&nbsp;Mengyu Yang,&nbsp;Qingjun Zhou","doi":"10.1016/j.matlet.2024.137745","DOIUrl":"10.1016/j.matlet.2024.137745","url":null,"abstract":"<div><div>In this study, Pr<sub>0.5</sub>In<sub>0.5</sub>BaCo<sub>3</sub>ZnO<sub>7+δ</sub> (PIBCZ) is synthesised by the high-temperature solid state reactions method as a cathode material for solid oxide fuel cells (SOFCs). Interestingly, a self-assembled composite cathode with three phases of Pr<sub>0.5-x</sub>In<sub>0.5+x</sub>BaCo<sub>3</sub>ZnO<sub>7+δ</sub> (P<sub>0.5-x</sub>I<sub>0.5+x</sub>BCZ), PrBaCo<sub>2</sub>O<sub>5+δ</sub> and CoO is formed by one pot methode. The average thermal expansion coefficient (TEC) of PIBCZ in air is 14.0 × 10<sup>−6</sup> K<sup>−1</sup> in the temperature range of 20–900 °C, and its electrical conductivity reaches 20.8 S cm<sup>−1</sup> at 800 °C. The area specific resistance (ASR) and maximum power density (MPD) reach 0.02 Ω cm<sup>2</sup> and 435 mW cm<sup>−2</sup> at 800 °C, respectively.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"380 ","pages":"Article 137745"},"PeriodicalIF":2.7,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flash-induced chemical reaction: Conversion of a sulphide into oxide and its densification in <10 s 闪光诱导化学反应：在 <10 秒内将硫化物转化为氧化物并使其致密化
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-21 DOI: 10.1016/j.matlet.2024.137747
Pranav Rai, Devinder Yadav
{"title":"Flash-induced chemical reaction: Conversion of a sulphide into oxide and its densification in <10 s","authors":"Pranav Rai,&nbsp;Devinder Yadav","doi":"10.1016/j.matlet.2024.137747","DOIUrl":"10.1016/j.matlet.2024.137747","url":null,"abstract":"<div><div>The present work shows that the rate of a chemical reaction can be enhanced by application of electric field and the reaction temperature can be lowered significantly. Roasting is a metallurgical process where metal sulphides transform into metal oxide when heated in presence of air. Conventional roasting of zinc sulphide (ZnS) requires high temperatures (&gt;800 °C) and is a sluggish process. Field-induced roasting and densification occurred together at a furnace temperature as low as 650 °C in &lt;10 s. Interrupted experiments in stage III of flash showed that cubic ZnS first transformed to hexagonal ZnS at ∼ 844 °C (which appears above 1020 °C) before transforming to ZnO. The hexagonal phase was retained at room temperature only if the flash was turned off in &lt;5 s. This study introduces a new method for speeding up chemical reactions using electric fields, which is both fast and energy efficient.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"380 ","pages":"Article 137747"},"PeriodicalIF":2.7,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tannic acid and trivalent iron modified Fe3O4 nanoparticles as a new adsorbent to remove uranium from wastewater 单宁酸和三价铁修饰的 Fe3O4 纳米颗粒作为一种新型吸附剂去除废水中的铀
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-20 DOI: 10.1016/j.matlet.2024.137708
Jingjing Yang , Weifan Li , Guodong Zhao , Yilong Hua , Qing Liu
{"title":"Tannic acid and trivalent iron modified Fe3O4 nanoparticles as a new adsorbent to remove uranium from wastewater","authors":"Jingjing Yang ,&nbsp;Weifan Li ,&nbsp;Guodong Zhao ,&nbsp;Yilong Hua ,&nbsp;Qing Liu","doi":"10.1016/j.matlet.2024.137708","DOIUrl":"10.1016/j.matlet.2024.137708","url":null,"abstract":"<div><div>This study reports the preparation and application of Fe<sub>3</sub>O<sub>4</sub> nanoparticles modified by tannic acid and trivalent iron for U(Ⅵ) removal. The phenolic hydroxyl group on the tannic acid molecule can be complexed with U(Ⅵ), so as to achieve the goal of adsorping uranium from wastewater, and the maximum adsorption capacity of TA-Fe<sup>III</sup>@Fe<sub>3</sub>O<sub>4</sub> can reach 98.2 mg/g. Through the research on pH, dosage, adsorption kinetics and adsorption thermodynamics indicted that it were excepting as a new green adsorbent for removing U(Ⅵ) from wastewater.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"380 ","pages":"Article 137708"},"PeriodicalIF":2.7,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retraction notice to “A novel wide-band and light-density radar absorbing structure consisted of two different resistance layers” [Mater. Lett. 306 (2022) 130852] 由两个不同电阻层组成的新型宽带光密度雷达吸收结构"[《材料学报》306 (2022) 130852]的撤稿通知
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-20 DOI: 10.1016/j.matlet.2024.137731
Lili Yu, Ze Zhang, Jinping Li, Zelin Liu, Rui Jiang, Xinyu Hou
{"title":"Retraction notice to “A novel wide-band and light-density radar absorbing structure consisted of two different resistance layers” [Mater. Lett. 306 (2022) 130852]","authors":"Lili Yu,&nbsp;Ze Zhang,&nbsp;Jinping Li,&nbsp;Zelin Liu,&nbsp;Rui Jiang,&nbsp;Xinyu Hou","doi":"10.1016/j.matlet.2024.137731","DOIUrl":"10.1016/j.matlet.2024.137731","url":null,"abstract":"","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"379 ","pages":"Article 137731"},"PeriodicalIF":2.7,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142721741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bayesian optimization enhanced neural networks for predicting metal-organic framework morphology: A ZIF-8 synthesis case study 用于预测金属有机框架形态的贝叶斯优化增强型神经网络：ZIF-8 合成案例研究
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-19 DOI: 10.1016/j.matlet.2024.137738
Yuncheng Du , Dongping Du
{"title":"Bayesian optimization enhanced neural networks for predicting metal-organic framework morphology: A ZIF-8 synthesis case study","authors":"Yuncheng Du ,&nbsp;Dongping Du","doi":"10.1016/j.matlet.2024.137738","DOIUrl":"10.1016/j.matlet.2024.137738","url":null,"abstract":"<div><div>Zeolitic imidazolate framework-8 (ZIF-8) is a metal–organic framework (MOF) for diverse applications, including drug delivery and gas storage, where its morphology such as size significantly affects controlled drug release and gas absorption. Traditional trial-and-error methods for optimizing ZIF-8 morphology are time consuming and inefficient. To improve this, we integrate machine learning with experimental studies by developing a neural network model with hyperparameters optimized through Bayesian optimization. This model predicts how different experimental conditions such as precursor concentrations affect ZIF-8 morphology, thus setting the foundation for synthesis optimization that can improve morphology control.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"380 ","pages":"Article 137738"},"PeriodicalIF":2.7,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carboxymethyl cellulose-assisted preparation of magnetic metal–organic framework nanocomposites with antifouling for efficient uranium enrichment 羧甲基纤维素辅助制备用于高效铀浓缩的防污磁性金属有机框架纳米复合材料
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-19 DOI: 10.1016/j.matlet.2024.137742
Xuejie Guo, Tianjin Gu, Qingyue Wang, Aiqi Wang, Keni Chen, Haocheng Yang
{"title":"Carboxymethyl cellulose-assisted preparation of magnetic metal–organic framework nanocomposites with antifouling for efficient uranium enrichment","authors":"Xuejie Guo,&nbsp;Tianjin Gu,&nbsp;Qingyue Wang,&nbsp;Aiqi Wang,&nbsp;Keni Chen,&nbsp;Haocheng Yang","doi":"10.1016/j.matlet.2024.137742","DOIUrl":"10.1016/j.matlet.2024.137742","url":null,"abstract":"<div><div>A magnetic metal–organic frameworks nanocomposite (FCMCZA) was prepared by solvothermal and in situ growth method for efficient antifouling and uranium enrichment. A series of characterization tests were carried out by SEM, XRD, XPS, FTIR and N<sub>2</sub> adsorption–desorption analyses. The FCMCZA exhibited the distinct core–shell structure with high specific surface areas (793.86 m<sup>2</sup>/g) and abundant functional groups. The saturated magnetization and algae death rate of FCMCZA reached 33.5 emu/g and 41 %, respectively. The maximum adsorption capacity of FCMCZA was 238.66 mg/g at pH 8.0, calculated from Langmuir model. Importantly, the removal capacity of FCMCZA remained 87.29 mg/g after four cycles. The high removal rate (62.9 %) and uranium uptake (11.7 μg/g) in actual seawater further proved its application potentiality.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"380 ","pages":"Article 137742"},"PeriodicalIF":2.7,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integration of Bi2S3 nanoflowers into TiO2 nanorods for enhanced photoelectrochemical water splitting performance 将 Bi2S3 纳米花融入 TiO2 纳米棒以提高光电化学水分离性能
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-19 DOI: 10.1016/j.matlet.2024.137740
Ai Li , Liyuan Liu , Zhengbo Jiao , Minmin Han
{"title":"Integration of Bi2S3 nanoflowers into TiO2 nanorods for enhanced photoelectrochemical water splitting performance","authors":"Ai Li ,&nbsp;Liyuan Liu ,&nbsp;Zhengbo Jiao ,&nbsp;Minmin Han","doi":"10.1016/j.matlet.2024.137740","DOIUrl":"10.1016/j.matlet.2024.137740","url":null,"abstract":"<div><div>Herein, TiO<sub>2</sub>/Bi<sub>2</sub>S<sub>3</sub> composite photoanode was prepared by loading Bi<sub>2</sub>S<sub>3</sub> nanomaterials on the surface of TiO<sub>2</sub> nanorods to promote the separation and transfer of charge carriers. By controlling the concentration of precursors, the morphology of Bi<sub>2</sub>S<sub>3</sub> was modulated from nanosheets to nanoflowers then to nanorods. Benefited from the advantaged three-dimensional structure, TiO<sub>2</sub> decorated with Bi<sub>2</sub>S<sub>3</sub> achieved the elevated charge carrier transport. Moreover, the constructed type II heterojunction between TiO<sub>2</sub> and Bi<sub>2</sub>S<sub>3</sub> facilitated the separation of photogenerated electrons and holes. With the synergistic effect of structure modulation and heterojunction construction, TiO<sub>2</sub>/Bi<sub>2</sub>S<sub>3</sub> composite photoanode obtained the optimal photocurrent density of 0.25 mA/cm<sup>2</sup>, which is 5 times that of pristine TiO<sub>2</sub>.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"380 ","pages":"Article 137740"},"PeriodicalIF":2.7,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","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 temperature on the growth of Cupric and Cuprous Nanoparticles in a wet chemical synthesis
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-19 DOI: 10.1016/j.matlet.2024.137672
T. Schwarz , A. Pastötter , T.H. Tran , M. Schlosser , C. Kaulen , A. Lechner , A. Slabon , M. Kammler
{"title":"Effect of temperature on the growth of Cupric and Cuprous Nanoparticles in a wet chemical synthesis","authors":"T. Schwarz ,&nbsp;A. Pastötter ,&nbsp;T.H. Tran ,&nbsp;M. Schlosser ,&nbsp;C. Kaulen ,&nbsp;A. Lechner ,&nbsp;A. Slabon ,&nbsp;M. Kammler","doi":"10.1016/j.matlet.2024.137672","DOIUrl":"10.1016/j.matlet.2024.137672","url":null,"abstract":"<div><div>Cuprous oxide (Cu<sub>2</sub>O) and cupric oxide (CuO) particles were synthesized using a wet chemical surfactant free method at different synthesis temperatures from 25 °C to 60 °C. Morphology, size, and chemical composition of the prepared Cu<sub>2</sub>O particles were analyzed by FESEM, PXRD, and UV-vis. We discovered that the chemical composition of the Cu<sub>2</sub>O particles remained unaffected by the synthesis temperature. However, morphology and size of the particles showed a strong temperature dependency. This could be attributed to the temperature induced formation of CuO species from the copper hydroxide (Cu(OH)<sub>2</sub>) precursor which also functions as copper precursor for the Cu<sub>2</sub>O particle growth. The cupric oxide species was determined to be the main cause for the formation of micrometer sized particles, whereas with the Cu(OH)<sub>2</sub> precursor species for the Cu<sub>2</sub>O particles nanocubes with smaller edge lengths as well as octahedrons were obtained.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"381 ","pages":"Article 137672"},"PeriodicalIF":2.7,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance investigations of the easily manufactured composite all-day radiative cooling materials based on PDMS
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2024-11-19 DOI: 10.1016/j.matlet.2024.137743
Ying Xie , Yong Chen , Xueying Xia
{"title":"Performance investigations of the easily manufactured composite all-day radiative cooling materials based on PDMS","authors":"Ying Xie ,&nbsp;Yong Chen ,&nbsp;Xueying Xia","doi":"10.1016/j.matlet.2024.137743","DOIUrl":"10.1016/j.matlet.2024.137743","url":null,"abstract":"<div><div>The passive radiative cooling technology can be employed to obtain the cooling capacity without any energy consumption, which has been garnering significant attention nowadays. This work proposes and experimentally studies the all-day radiative cooling material based on layered composite material made from Polydimethylsiloxane (PDMS). This work adds SiO<sub>2</sub> nano-particles, which act as visible light scatters, and the proposed film can realize an excellent all-day cooling capacity when the thicknesses of the PDMS and Al films are respectively chosen as 200 μm and 4 μm, and the concentration of the SiO<sub>2</sub> particles in the film is 40 %. The theoretical explorations indicated that the presented composite film can exhibit the high reflectivity (90.36 %) and emissivity (90.19 %) in the visible spectrum and atmospheric transparency window (ATW) spectrum. Under direct sunlight of a highest solar irradiance of 688.89 W/m<sup>2</sup>, there is an average temperature difference between cooling film and white paper of 6.3 °C. Furthermore, in clear weather conditions at night with an average humidity level of 58.15 %, it can generate a temperature difference of 4.8 °C. This work proposes an easily manufactured and eco-friendly all-day radiative cooling material, which has the potential applications in future refrigeration technology.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"381 ","pages":"Article 137743"},"PeriodicalIF":2.7,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","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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