Journal of The European Ceramic Society最新文献_第8页

A phase field model for cold sintering of barium titanate 钛酸钡冷烧结相场模型

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-13 DOI: 10.1016/j.jeurceramsoc.2025.117534

Kamalpreet Singh, Alessandro Leronni, Chris R. Bowen, James Roscow

引用次数: 0

Lightweight SiCN ceramics doped with rare earth elements for electromagnetic wave absorption and infrared stealth 用于电磁波吸收和红外隐身的稀土轻量化SiCN陶瓷

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-13 DOI: 10.1016/j.jeurceramsoc.2025.117528

Chang Liu , Kaidi Mao , Hang Teng , Rui Zhang , Haibin Sun , Qiangqiang Hu , Cuncheng Li , Hongyu Gong , Paolo Colombo , Xue Guo , Yurun Feng

引用次数: 0

Exploring the dielectric properties, glass ability and ferroelectric phases in the BaO-Bi2O3-TiO2-B2O3-Al2O3 system 探索BaO-Bi2O3-TiO2-B2O3-Al2O3体系的介电性能、玻璃化性能和铁电相

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-12 DOI: 10.1016/j.jeurceramsoc.2025.117527

Hongyi Deng , Lixu Xie , Alexander Martin , Kyle G. Webber , Dominique de Ligny , Maria Rita Cicconi

{"title":"Exploring the dielectric properties, glass ability and ferroelectric phases in the BaO-Bi2O3-TiO2-B2O3-Al2O3 system","authors":"Hongyi Deng , Lixu Xie , Alexander Martin , Kyle G. Webber , Dominique de Ligny , Maria Rita Cicconi","doi":"10.1016/j.jeurceramsoc.2025.117527","DOIUrl":"10.1016/j.jeurceramsoc.2025.117527","url":null,"abstract":"<div><div>In this study, Bi- and Ti-rich glasses have been designed and investigated for the development of ferroelectric glass-ceramics (GCs). The glass formation range, the structure of the glass network and the crystalline phases obtained in the glass-ceramics were explored. Glass compositions within the <em>x</em>BaO-(90-<em>x</em>)(40Bi<sub>2</sub>O<sub>3</sub>-25TiO<sub>2</sub>-35B<sub>2</sub>O<sub>3</sub>)-10Al<sub>2</sub>O<sub>3</sub> system were synthesized through rapid press quenching of the melt, with a controlled melting temperature of 1000°C. Raman spectroscopy was carried out to investigate the impact of Bi<sub>2</sub>O<sub>3</sub>, TiO<sub>2</sub> and BaO on the arrangement of the structural units in these glasses. Subsequent thermal treatment in the temperature range of 500–700°C led to the formation of glass-ceramics containing the ferroelectric Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> crystal phase in all compositions. Notably, glass-ceramics containing 10–16 mol% of BaO exhibited a single Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> crystal phase upon complete crystallization. The microstructure and temperature-dependent dielectric properties of glasses and GCs were investigated as a function of the Ba content. The permittivity <em>ε</em><sub><em>r</em></sub> of the glasses is quite high compared to other glass systems, ranging between 22 and 28, and it is greatly increased in the crystallized samples (up to 70). Furthermore, no phase transitions up to 300 °C are observed, especially in GCs with a single Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> crystal phase, making these materials strong candidates for energy storage dielectrics. The samples developed in this study demonstrate the potentiality of obtaining piezoelectric glass-ceramics in network former-poor matrices.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 14","pages":"Article 117527"},"PeriodicalIF":5.8,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144107258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Environmental response characteristics of substoichiometric ZrCx exposed to inductively coupled air plasma 亚化学计量ZrCx暴露于电感耦合空气等离子体的环境响应特性

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-10 DOI: 10.1016/j.jeurceramsoc.2025.117491

Matthew T. Konnik , Lorenzo Capponi , Trey Oldham , Francesco Panerai , Kelly A. Stephani

{"title":"Environmental response characteristics of substoichiometric ZrCx exposed to inductively coupled air plasma","authors":"Matthew T. Konnik , Lorenzo Capponi , Trey Oldham , Francesco Panerai , Kelly A. Stephani","doi":"10.1016/j.jeurceramsoc.2025.117491","DOIUrl":"10.1016/j.jeurceramsoc.2025.117491","url":null,"abstract":"<div><div>An inductively coupled plasma jet was used to elucidate fundamental response characteristics of substoichiometric zirconium carbide in a hypersonic-relevant environment. Specimens were subjected to high-enthalpy air at surface temperatures between 1850 and 2525 °C. Corrosion progressed linearly, though the most extreme condition exhibited diffusion-limiting behavior. Surface cracking shifted to porosity at higher temperatures, potentially indicating a shift in gas exchange character. Spectral emittance and optical bandgap differences were attributed to nitrogen, carbonates, and surface annealing. Bulk scale porosity decreased and developed gradients at higher temperatures. Final reaction products were identified as oxides and oxynitrides, while interfaces included oxynitrides, oxycarbides, carbonitrides, and carbon at lower temperatures. Plasma dwell time influenced local electron density of zirconium, possibly due to vacancies mediated by high temperatures and free electrons. This analysis quantifies high degrees of spatial and temporal dependence of composition and microstructure, necessitating multiphysics testing for efficient design and innovation of refractories for hypersonics.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 14","pages":"Article 117491"},"PeriodicalIF":5.8,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Preparation of Ti3+ self-doped Li4Ti5O12 as high-performance anode for lithium ion batteries 高性能锂离子电池负极Ti3+自掺杂Li4Ti5O12的制备

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-09 DOI: 10.1016/j.jeurceramsoc.2025.117525

Enci Jin, Qiushi Song, Hongwei Xie, Zhiqiang Ning, Yu Kai

引用次数: 0

Investigating the effect of spark plasma sintering temperature and post-sintering annealing in LiNi0.5Mn1.5O4 for its ideal design towards practical battery applications 研究火花等离子烧结温度和烧结后退火对LiNi0.5Mn1.5O4的影响，使其在电池中的理想设计更接近实际应用

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-09 DOI: 10.1016/j.jeurceramsoc.2025.117524

Jon G. Bell , Rishabh Shukla , Shangxiong Huangfu, Michael Stuer

{"title":"Investigating the effect of spark plasma sintering temperature and post-sintering annealing in LiNi0.5Mn1.5O4 for its ideal design towards practical battery applications","authors":"Jon G. Bell , Rishabh Shukla , Shangxiong Huangfu, Michael Stuer","doi":"10.1016/j.jeurceramsoc.2025.117524","DOIUrl":"10.1016/j.jeurceramsoc.2025.117524","url":null,"abstract":"<div><div>In this work, the effect of spark plasma sintering (SPS) and post-annealing in pure Ar and O<sub>2</sub> on structure, ac/dc-conductivity, impedance, and electronic properties of LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> (LNMO) are investigated, which establish a roadmap for the design of an ideal compound. Structural analysis using XRD reveals that the unit cell volume increases with SPS temperature and post-annealing in Ar and decreases in O<sub>2</sub> due to a reduction in oxygen vacancies. The dc-conductivity shows the dominance of SPH conduction up to 200 K, while Mott-VRH conduction prevails until 168 K. Frequency dispersion modeling of ac-conductivity (σ<sub>ac</sub>) with modified JPL supports the NSPT model, and scaling of σ<sub>ac</sub> follows the modified Summerfield model. In addition, DRT clearly distinguishes grain, grain boundary, interfacial, and electrode contributions and shows that post-annealing in Ar(O<sub>2</sub>) can be effectively used to increase(decrease) the grain and grain boundary resistance, which can be utilized to design and property-tune LNMO for practical applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117524"},"PeriodicalIF":5.8,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143934986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Enhancing proton-conducting solid oxide fuel cell performance with Pr-doped BaZr0.5Fe0.5O3-δ cathodes

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-09 DOI: 10.1016/j.jeurceramsoc.2025.117526

Zhaoling Wei , Juan Liu , Jinhuai Wang , Zhiwen Zhu , Zhihao Wang , Lei Bi

{"title":"Enhancing proton-conducting solid oxide fuel cell performance with Pr-doped BaZr0.5Fe0.5O3-δ cathodes","authors":"Zhaoling Wei , Juan Liu , Jinhuai Wang , Zhiwen Zhu , Zhihao Wang , Lei Bi","doi":"10.1016/j.jeurceramsoc.2025.117526","DOIUrl":"10.1016/j.jeurceramsoc.2025.117526","url":null,"abstract":"<div><div>Developing high-performance cathodes remains crucial for advancing proton-conducting solid oxide fuel cells (H-SOFCs). While Fe-doped BaZrO<sub>3</sub> (BZF), derived from the proton conductor BaZrO<sub>3</sub>, demonstrates moderate performance, it underperforms compared to recently reported cathodes. To address this limitation, we introduce Pr as a co-dopant in BZF, creating BaZr<sub>0.4</sub>Fe<sub>0.5</sub>Pr<sub>0.1</sub>O<sub>3</sub> (BZFPr). Pr-doping induces electronic structure modifications that weaken metal-oxygen bonds, generating abundant oxygen vacancies and enhancing protonation capabilities. These changes synergistically improve oxygen and proton diffusion kinetics. Furthermore, Pr doping elevates the oxidation state of Fe, significantly boosting oxygen reduction reaction (ORR) activity. After microstructural optimization, BZFPr achieves exceptional performance with a peak power density of 1686 mW cm<sup>−2</sup> and a low polarization resistance of 0.059 Ω cm<sup>2</sup> at 700 °C—values surpassing most state-of-the-art cathodes. The BZFPr cathode also exhibits remarkable operational stability under fuel cell conditions, establishing Pr doping as an effective strategy for developing high-performance, durable cathodes for H-SOFCs.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117526"},"PeriodicalIF":5.8,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143942879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Performance and oxygen transport in dual-phase SrFe0.95Mo0.05O3-δ-Ce0.8Gd0.2O2-δ hollow fiber membranes for catalytic membrane reactors 催化膜反应器用双相SrFe0.95Mo0.05O3-δ- ce0.8 gd0.2 o2 -δ中空纤维膜的性能及氧输运

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117520

O.V. Cherendina , E.V. Shubnikova , M.O. Khokhlova , R.D. Guskov , M.V. Arapova , O.A. Bragina , H. Jiang , G. He , A.P. Nemudry

{"title":"Performance and oxygen transport in dual-phase SrFe0.95Mo0.05O3-δ-Ce0.8Gd0.2O2-δ hollow fiber membranes for catalytic membrane reactors","authors":"O.V. Cherendina , E.V. Shubnikova , M.O. Khokhlova , R.D. Guskov , M.V. Arapova , O.A. Bragina , H. Jiang , G. He , A.P. Nemudry","doi":"10.1016/j.jeurceramsoc.2025.117520","DOIUrl":"10.1016/j.jeurceramsoc.2025.117520","url":null,"abstract":"<div><div>The dual-phase materials based on SrFe<sub>0.95</sub>Mo<sub>0.05</sub>O<sub>3-δ</sub> -Ce<sub>0.8</sub>Gd<sub>0.2</sub>O<sub>2-δ</sub> (SFM5-GDC) oxides with different phase ratios were prepared via Pechini method followed by the ball-milling and sintering. The influence of GDC phase content on the oxygen permeation flux and total conductivity of the dual-phase SFM5-GDC materials was investigated. Furthermore, the apparent activation energy values for oxygen transport through the SFM5-GDC hollow fiber membranes were estimated using two different kinetic models. Studies on the catalytic activity of the dual-phase SFM5-GDC hollow fiber membranes in the oxidative dehydrogenation of ethane showed a good performance when using air or CO<sub>2</sub> as oxygen source. In addition, the feasibility of ethylene production through alternative current heating of the hollow fiber membrane reactor was successfully demonstrated.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117520"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143928771","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Development of TiO2 ultrafiltration membranes using nanoparticle slurry-based dip coating 纳米颗粒浆料基浸涂TiO2超滤膜的研制

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117523

Jongman Lee , Jang-Hoon Ha , Hong Joo Lee , In-Hyuck Song , Syed Zaighum Abbas Bukhari

{"title":"Development of TiO2 ultrafiltration membranes using nanoparticle slurry-based dip coating","authors":"Jongman Lee , Jang-Hoon Ha , Hong Joo Lee , In-Hyuck Song , Syed Zaighum Abbas Bukhari","doi":"10.1016/j.jeurceramsoc.2025.117523","DOIUrl":"10.1016/j.jeurceramsoc.2025.117523","url":null,"abstract":"<div><div>TiO<sub>2</sub> ultrafiltration (UF) membranes are promising for environmental applications such as wastewater filtration and photocatalysis. Herein, dip coating of Al<sub>2</sub>O<sub>3</sub> microfiltration (MF) membranes with a TiO<sub>2</sub> nanoparticle (NP) slurry is proposed as an alternative to the conventional, laborious sol–gel method to prepare these membranes. The dispersion of the NPs in the slurry was optimized using chemical and mechanical treatments. The effect of the sintering temperature on the pore size distribution was evaluated. The slurry was stabilized by 2.3 wt% Darvan CN at pH 8.5. Small milling ball sizes improved the dispersion and reduced the agglomerate size. The optimized slurry was used to produce a 3.3 µm-thick TiO<sub>2</sub> UF layer. Sintering at 700 ℃ yielded pore sizes up to 50 nm and 26 nm (Hg porosity and molecular weight cut-off measurements, respectively). These findings demonstrate how dip coating using a TiO<sub>2</sub> NP slurry facilitates the development of TiO<sub>2</sub> UF membranes.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117523"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Radiation-induced defect formation and phase evolution in zirconium carbide ceramics 碳化锆陶瓷的辐射缺陷形成与相演化

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117521

S.F. Samadov , N.A. Ismayilova , L.A. Tuyen , M.N. Nasrabadi , N.V.M. Trung , N.V. Tiep , O.A. Samedov , I.I. Mustafayev , S.H. Jabarov , A.A. Donkov , Matlab N. Mirzayev

{"title":"Radiation-induced defect formation and phase evolution in zirconium carbide ceramics","authors":"S.F. Samadov , N.A. Ismayilova , L.A. Tuyen , M.N. Nasrabadi , N.V.M. Trung , N.V. Tiep , O.A. Samedov , I.I. Mustafayev , S.H. Jabarov , A.A. Donkov , Matlab N. Mirzayev","doi":"10.1016/j.jeurceramsoc.2025.117521","DOIUrl":"10.1016/j.jeurceramsoc.2025.117521","url":null,"abstract":"<div><div>In this work, the evolution of defects in zirconium carbide (ZrC) nanocrystals under gamma irradiation was studied using both experimental and computational approaches. Positron Annihilation Spectroscopy (PAS) and Raman spectroscopy were used to characterize radiation-induced defects, structural changes, and vibrational modes in ZrC samples. Density Functional Theory (DFT) calculations revealed that the displacement damage in the ZrC lattice increased with irradiation dose, and the increase in defects led to a significant decrease in Young's modulus and to lower hardness. Irradiation at 3000 kGy enhances defect evolution by creating carbon vacancies that potentially combine with existing defects to form larger vacancy clusters. In the Raman spectra, a new peak due to Sp2 C-C was detected at 1795 cm<sup>−1</sup> at an absorption dose of 3000 kGy. The intensity ratio of the I<sub>D</sub>/I<sub>G</sub> band decreased from 1.133 (initial) to 1.09 (3000 kGy), reflecting amorphization and the formation of an oxide layer. These findings provide a foundation for future investigations aimed at optimizing the radiation tolerance of ZrC-based materials for advanced nuclear applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117521"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143934985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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