Journal of The European Ceramic Society最新文献_第10页

Direct laser writing for rapid fabrication of porous carbon: Enhancing Si-C reaction bonding in silicon carbide ceramics 快速制备多孔碳的直接激光写入：增强碳化硅陶瓷中的硅-碳反应键合

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-19 DOI: 10.1016/j.jeurceramsoc.2025.117762

Changcong Huang , Jian Chen , Shengjun Liao , Chenxi Gao , Lan Peng , Zhongming Chen , Xuejian Liu , Zhengren Huang

引用次数: 0

Subcritical crack growth in cold sintered ZnO ceramics 冷烧结ZnO陶瓷的亚临界裂纹扩展

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-19 DOI: 10.1016/j.jeurceramsoc.2025.117761

Abdullah Jabr , Peter Supancic , Raul Bermejo

引用次数: 0

Three-stage oxidation kinetics and passivation mechanism of spark plasma sintered ZrC ultra-high temperature ceramic 火花等离子烧结ZrC超高温陶瓷的三级氧化动力学及钝化机理

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-19 DOI: 10.1016/j.jeurceramsoc.2025.117757

Yun-Ching Lin , Hans Brouwer , Vera Popovich , Yinglu Tang

{"title":"Three-stage oxidation kinetics and passivation mechanism of spark plasma sintered ZrC ultra-high temperature ceramic","authors":"Yun-Ching Lin , Hans Brouwer , Vera Popovich , Yinglu Tang","doi":"10.1016/j.jeurceramsoc.2025.117757","DOIUrl":"10.1016/j.jeurceramsoc.2025.117757","url":null,"abstract":"<div><div>ZrC Ultra-High Temperature Ceramic is a promising material for future extreme environment applications. However, its susceptibility to oxidation at elevated temperatures poses a significant challenge. There remains unresolved controversy in literature regarding its oxidation kinetics and activation energies. The temperature, oxygen pressure and time effects on the oxidation and passivation of ZrC are still not fully understood. To address these questions, we fabricated near-stoichiometric ZrC ceramic via spark plasma sintering (SPS) and for the first time investigated the temperature-oxygen pressure-time (T-P-t) dependent oxidation kinetics of SPS-sintered ZrC. A three-stage oxidation mechanism including a passivation stage was reported. The study also revealed the complexity of activation energy dependence on temperature and pressure within the 3D T-P-t space. Additionally, it uncovered the conditions necessary to maintain the passivation of ZrC. These findings provide valuable insights for future design of oxidation-resistant ZrC and carbides, paving the way for advancements in materials for extremes.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117757"},"PeriodicalIF":6.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145027327","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

Study on the sintering behavior of Y3GaAl4O12 ceramics during pre-sintering and fabrication of highly transparent ceramics Y3GaAl4O12陶瓷在预烧结和制备高透明陶瓷过程中的烧结行为研究

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-19 DOI: 10.1016/j.jeurceramsoc.2025.117759

Pan Gao , Zhengyang Jing , Guangsheng Tu , Bowen Chen , Hao Wang , Bingtian Tu , Honggang Gu , Shiyuan Liu , Weimin Wang , Zhengyi Fu

{"title":"Study on the sintering behavior of Y3GaAl4O12 ceramics during pre-sintering and fabrication of highly transparent ceramics","authors":"Pan Gao , Zhengyang Jing , Guangsheng Tu , Bowen Chen , Hao Wang , Bingtian Tu , Honggang Gu , Shiyuan Liu , Weimin Wang , Zhengyi Fu","doi":"10.1016/j.jeurceramsoc.2025.117759","DOIUrl":"10.1016/j.jeurceramsoc.2025.117759","url":null,"abstract":"<div><div>Yttrium aluminum gallium garnet (Y<sub>3</sub>(Ga,Al)<sub>5</sub>O<sub>12</sub>,YAGG) based transparent ceramics exhibit promising application potential in the fields of scintillators, white LEDs/LDs and persistent phosphors. However, conventional vacuum sintering induces the evaporation of Ga<sub>2</sub>O<sub>3</sub>, damaging the compositional homogeneity. This study successfully fabricated the highly transparent Y<sub>3</sub>GaAl<sub>4</sub>O<sub>12</sub> ceramic via sintering the green body prepared from single-phase powder in air followed by hot isostatic pressing. Upon substituting Ga<sup>3+</sup> for Al<sup>3+</sup>, Y<sub>3</sub>GaAl<sub>4</sub>O<sub>12</sub> ceramic exhibited more obvious grain growth during intermediate stage of sintering, resulting in a higher apparent activation energy for densification (2036 ± 157 kJ/mol). The evolution of microstructure and grain size in the pre-sintered Y<sub>3</sub>GaAl<sub>4</sub>O<sub>12</sub> ceramic were also investigated. Finally, the Y<sub>3</sub>GaAl<sub>4</sub>O<sub>12</sub> transparent ceramic (thickness 2.0 mm) had an in-line transmittance of 77 %@1064 nm, and the refractive index and optical band gap were 1.851 (589 nm) and 5.59 eV, respectively. This study provides a promising strategy to fabricate highly transparent gallium-containing garnet ceramics.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 1","pages":"Article 117759"},"PeriodicalIF":6.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144885613","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

Effects of alkaline-earth metal oxides and heat treatment on the structure and cyan-luminescence properties of Bi3+-doped SiO2-MO-Y2O3-ZnO-ZrO2-Ga2O3 (M = Ca, Sr, Ba) glass and Y2Zr2O7 transparent glass-ceramic 碱土金属氧化物和热处理对Bi3+掺杂SiO2-MO-Y2O3-ZnO-ZrO2-Ga2O3 （M = Ca, Sr, Ba）玻璃和Y2Zr2O7透明玻璃陶瓷结构和青色发光性能的影响

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-19 DOI: 10.1016/j.jeurceramsoc.2025.117758

Jianshan Yang, Zhiwei Luo, Haozhang Liang, Nanshan Ma, Xiangtao Lin, Yu Li, Juxia Tong, Xianjun Feng, Tingxiao Wu

{"title":"Effects of alkaline-earth metal oxides and heat treatment on the structure and cyan-luminescence properties of Bi3+-doped SiO2-MO-Y2O3-ZnO-ZrO2-Ga2O3 (M = Ca, Sr, Ba) glass and Y2Zr2O7 transparent glass-ceramic","authors":"Jianshan Yang, Zhiwei Luo, Haozhang Liang, Nanshan Ma, Xiangtao Lin, Yu Li, Juxia Tong, Xianjun Feng, Tingxiao Wu","doi":"10.1016/j.jeurceramsoc.2025.117758","DOIUrl":"10.1016/j.jeurceramsoc.2025.117758","url":null,"abstract":"<div><div>Parent glasses with the composition of 55SiO<sub>2</sub>-22MO-6Y<sub>2</sub>O<sub>3</sub>-8ZnO-5.5ZrO<sub>2</sub>-3.5Ga<sub>2</sub>O<sub>3</sub>- 1Bi<sub>2</sub>O<sub>3</sub>(M = Ca, Sr, Ba, mol%) were prepared. After heat treatment, glass-ceramics containing Y<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> crystal were obtained. The increase in the atomic number of alkaline-earth metals favors the crystallization in the glass. Under the optimum excitation wavelength of 340 nm, the emission peak exhibits a redshift. The emission intensity reaches a maximum value when BaO is introduced. As the heat treatment temperature rises and time extends, the diffraction peak intensity of the glass-ceramics enhances, with significant grain agglomeration occurring. The optimal heat treatment regime is nucleation at 780 °C for 10 h, followed by crystallization at 830 ℃ for 4 h. Under this regime, the emission intensity is 2.75 times that of the parent glass. The glass-ceramics are promising candidates for WLEDs, with the emission spectra fully covering the 480–520 nm range at an ideal intensity and chromaticity coordinates falling within the cyan region.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 1","pages":"Article 117758"},"PeriodicalIF":6.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144885615","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

Roles of non-stoichiometric Mg2+-Si4+ co-doping in the sintering process of TAG ceramics with higher optical quality 非化学计量Mg2+-Si4+共掺杂在高光学质量TAG陶瓷烧结过程中的作用

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-19 DOI: 10.1016/j.jeurceramsoc.2025.117760

Shiji Shen , Jie Chen , Yanna Tian , Hongbo Chen , Xuan Yang , Hui Lin , Shengming Zhou , Jun Wang

{"title":"Roles of non-stoichiometric Mg2+-Si4+ co-doping in the sintering process of TAG ceramics with higher optical quality","authors":"Shiji Shen , Jie Chen , Yanna Tian , Hongbo Chen , Xuan Yang , Hui Lin , Shengming Zhou , Jun Wang","doi":"10.1016/j.jeurceramsoc.2025.117760","DOIUrl":"10.1016/j.jeurceramsoc.2025.117760","url":null,"abstract":"<div><div>Non-stoichiometric Mg<sup>2+</sup>-Si<sup>4+</sup> co-doping in lattice site can effectively reduce the presence of residual phases at grain boundaries and enhance the optical quality of Tb<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>(TAG) garnet transparent ceramics, outperforming traditional weight ratio single-component sintering aids. However, further experimental validation and a deeper analysis of the underlying mechanisms are required to fully understand this phenomenon. In this study, a systematic investigation was carried out to explore the effects of non-stoichiometric Mg<sup>2+</sup>-Si<sup>4+</sup> co-doping on the sintering process of TAG ceramics. Through extensive experiments and analyses, the solid-solution behavior of Mg<sup>2+</sup>/Si<sup>4+</sup> at various sintering stages was revealed, and its correlation with densification, phase evolution, and microstructure of the grain boundary was disclosed. Through analysis of lattice parameter and oxygen vacancy concentration change, it was found that Si<sup>4+</sup> enters the lattice earlier than Mg<sup>2+</sup>, and as temperature increases, the presence of Si<sup>4+</sup> in turn enhances the solid solubility of Mg<sup>2+</sup>. By precisely controlling the Mg<sup>2+</sup>/Si<sup>4+</sup> atomic ratio, optimized control of the densification process was achieved. TEM analysis of the optimal sample's grain boundaries showed that under high addition amounts of MgO and TEOS, the non-stoichiometric design method significantly reduced grain boundary residual phases. This discovery highlights the importance of synergistic optimisation of aids species and content under non-stoichiometric doping for preparing higher optical quality garnet transparent ceramics.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 1","pages":"Article 117760"},"PeriodicalIF":6.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144902719","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

Monolithic Al2O3-SiO2 aerogels enhanced by hybrid interpenetrating network with high mechanical strength and excellent thermal insulation 混合互穿网络增强的单片Al2O3-SiO2气凝胶具有高机械强度和优异的保温性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-16 DOI: 10.1016/j.jeurceramsoc.2025.117755

Hao Zhang , Zhen Teng , Yiwang Bao , Man Jiang , Qingguo Feng , Chunfeng Hu

{"title":"Monolithic Al2O3-SiO2 aerogels enhanced by hybrid interpenetrating network with high mechanical strength and excellent thermal insulation","authors":"Hao Zhang , Zhen Teng , Yiwang Bao , Man Jiang , Qingguo Feng , Chunfeng Hu","doi":"10.1016/j.jeurceramsoc.2025.117755","DOIUrl":"10.1016/j.jeurceramsoc.2025.117755","url":null,"abstract":"<div><div>Oxide ceramic aerogels, one of the most important aerogels, hold significant application promise in thermal insulation and protection. However, their low strength, long preparation cycle, and supercritical drying dependence hinder their widespread use. In this study, we proposed a hybrid interpenetrating network strategy and prepared a hybrid Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> aerogel (PAS) via ambient pressure drying. The structures, mechanical properties, thermal insulation performance, and mechanisms of PAS were systematically investigated. PAS exhibited remarkably low drying linear shrinkage (6.08 %), substantially compressive strength (8.05 MPa), and impressive strain capacity (45 %). Furthermore, PAS demonstrated exceptional thermal insulation (0.039 W/m·K at 25°C) and high-temperature structural stability. Mechanistic studies revealed that the hybrid interpenetrating network significantly reinforced the Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> network, and inhibited the phase transition of Al<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> in high-temperature. This study provides a reproducible approach for the rapid preparation of high-strength, low-thermal conductivity oxide ceramic aerogels and demonstrates its promising application potential in thermal protection.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 1","pages":"Article 117755"},"PeriodicalIF":6.2,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144864154","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

Mechanical performance of sub-stoichiometric titanium carbide ceramics synthesized by a hybrid SHS and SPS methodology 混合SHS和SPS法合成亚化学计量碳化钛陶瓷的力学性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-15 DOI: 10.1016/j.jeurceramsoc.2025.117748

B.M. Moshtaghioun , R. Cano Crespo , F.L. Cumbrera , D. Gómez-García , M. García Fernández , M.A. Rodríguez , R. Moreno

{"title":"Mechanical performance of sub-stoichiometric titanium carbide ceramics synthesized by a hybrid SHS and SPS methodology","authors":"B.M. Moshtaghioun , R. Cano Crespo , F.L. Cumbrera , D. Gómez-García , M. García Fernández , M.A. Rodríguez , R. Moreno","doi":"10.1016/j.jeurceramsoc.2025.117748","DOIUrl":"10.1016/j.jeurceramsoc.2025.117748","url":null,"abstract":"<div><div>Sub-stoichiometric titanium carbide ceramics were synthesized via a hybrid route combining self-propagating high-temperature synthesis (SHS) and spark plasma sintering (SPS). TiC₁₋ₓ powders were produced through a single, rapid SHS step by the direct reaction of titanium and graphite, followed by attrition milling to achieve an average particle size of 3–5 μm. Particular attention was devoted to analyzing sub-stoichiometry variations associated with carbon vacancy formation during both SHS and SPS processes. SPS treatments at temperatures up to 1800 °C promoted sub-stoichiometric deviations reaching compositions as low as TiC<sub>0.74</sub>, which remained nearly stable even under more extreme SPS conditions. Additionally, a minor and unexpected precipitation of a disordered graphite phase was detected. The resulting sub-stoichiometric titanium carbide ceramics exhibited high Vickers hardness values, reaching up to 27 GPa. Microstructural analysis revealed plastic deformation, attributed to dislocation interactions with graphite precipitates. The dislocation dynamics were found to be governed by cationic diffusion mechanisms.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 1","pages":"Article 117748"},"PeriodicalIF":6.2,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144902720","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

Simultaneously achieving large transducer figure-of-merits and high curie temperature through acceptor doping in PMN-PAN-PZT ternary system for high power applications 在大功率应用的PMN-PAN-PZT三元体系中，通过受体掺杂实现了大的换能器性能和高的居里温度

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-13 DOI: 10.1016/j.jeurceramsoc.2025.117747

Kyoung-Woo Lee , Dong-Gyu Lee , Geun-Soo Lee , Byeong-Jae Lee , Heemin Kang , Sahn Nahm , Yongke Yan , Sunghoon Hur , Jeong Min Baik , Kyung-Hoon Cho , Hyun-Cheol Song , Sil-Mook Lim

{"title":"Simultaneously achieving large transducer figure-of-merits and high curie temperature through acceptor doping in PMN-PAN-PZT ternary system for high power applications","authors":"Kyoung-Woo Lee , Dong-Gyu Lee , Geun-Soo Lee , Byeong-Jae Lee , Heemin Kang , Sahn Nahm , Yongke Yan , Sunghoon Hur , Jeong Min Baik , Kyung-Hoon Cho , Hyun-Cheol Song , Sil-Mook Lim","doi":"10.1016/j.jeurceramsoc.2025.117747","DOIUrl":"10.1016/j.jeurceramsoc.2025.117747","url":null,"abstract":"<div><div>This study investigates the effects of Mn doping on the microstructure, phase composition, and electromechanical properties of 0.03Pb(Mg₁<sub>/</sub>₃Nb₂<sub>/</sub>₃)O₃-0.03Pb(Al₁<sub>/</sub>₂Nb₁<sub>/</sub>₂)O₃-0.94Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PMN-PAN-PZT) ceramics for high-power piezoelectric applications. A composition with 0.3 wt% MnO<sub>2</sub> doping was identified as the optimal, exhibiting excellent electromechanical coupling factor (<span><math><msub><mrow><mi>k</mi></mrow><mrow><mi>p</mi></mrow></msub></math></span>= 63 %), piezoelectric coefficient (<span><math><msub><mrow><mi>d</mi></mrow><mrow><mn>33</mn></mrow></msub></math></span> = 370 pC/N), Curie temperature (<em>T</em><sub>C</sub> = 310 °C), and mechanical quality factor (<span><math><msub><mrow><mi>Q</mi></mrow><mrow><mi>m</mi></mrow></msub></math></span> = 1160). This enhanced performance is attributed to optimized grain growth, increased densification, and oxygen vacancy induced by acceptor doping. In contrast to conventional compositions that rely on high relaxor content containing expensive rare metals such as Nb, this study demonstrates that excellent electromechanical properties can be achieved with only 6 % PMN-PAN, through optimized doping and microstructural control. These findings suggest that Mn-doped PMN-PAN-PZT ceramics are promising cost-effective alternatives for ultrasonic transducers and actuators, where both mechanical quality factor and piezoelectric performance are critical.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117747"},"PeriodicalIF":6.2,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144916588","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

From scheelite to perovskite: Electrical and redox behavior of SrMoO4/SrMoO3 ceramic components for SOFC anodes 从白钨矿到钙钛矿：用于SOFC阳极的SrMoO4/SrMoO3陶瓷元件的电学和氧化还原行为

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-13 DOI: 10.1016/j.jeurceramsoc.2025.117742

Rui G. Pinto, Aleksandr Bamburov, Aleksey A. Yaremchenko

{"title":"From scheelite to perovskite: Electrical and redox behavior of SrMoO4/SrMoO3 ceramic components for SOFC anodes","authors":"Rui G. Pinto, Aleksandr Bamburov, Aleksey A. Yaremchenko","doi":"10.1016/j.jeurceramsoc.2025.117742","DOIUrl":"10.1016/j.jeurceramsoc.2025.117742","url":null,"abstract":"<div><div>Perovskite-type SrMoO<sub>3</sub> was explored as a prospective electronically-conducting ceramic component for solid oxide fuel cell anodes. The study examined the electrical conductivity of SrMoO<sub>3</sub> and its oxidized precursor, scheelite-type SrMoO<sub>4</sub>, and the dynamics of redox-driven phase transformation between them. While SrMoO<sub>4</sub> ceramics show very low electrical conductivity (∼10<sup>−5</sup> S/cm at 900°C in air), SrMoO<sub>3</sub> remains oxygen-stoichiometric and exhibits high metallic-like p(O<sub>2</sub>)-independent conductivity within the phase stability domain, reaching 1160 S/cm at 900°C and 1620 S/cm at 700°C even for highly porous samples. The scheelite-to-perovskite transformation is comparatively slow even at 900°C, and complete phase conversion requires up to 10 h at 1000°C under reducing conditions. The phase transformation is accompanied by a smooth dimensional shrinkage on reduction and a sharp expansion on reversed re-oxidation. The isothermal reduction of SrMoO<sub>4</sub> ceramics induces an increase in conductivity by ≥ 7 orders of magnitude within 10 h at 900°C, highlighting the potential of SrMoO<sub>3</sub> as a high-conducting component for composite anodes.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 1","pages":"Article 117742"},"PeriodicalIF":6.2,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144864156","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