Journal of The European Ceramic Society最新文献

{"title":"High temperature stability in Li2CO3-doped PYN-PZT co-fired multilayer piezoelectric actuators","authors":"Guozheng Zhang ,&nbsp;Zongzheng Du ,&nbsp;Hong Liu ,&nbsp;Xingye Tong ,&nbsp;Yuting Yang","doi":"10.1016/j.jeurceramsoc.2025.117601","DOIUrl":"10.1016/j.jeurceramsoc.2025.117601","url":null,"abstract":"<div><div>Improving the performance stability of piezoelectric ceramic materials over a wide temperature range, especially at high temperatures, is a challenge and a research hotspot. In this study, the outstanding piezoelectric, dielectric, and ferroelectric properties of 0.15Pb(Yb_1/3Nb_2/3)O₃-0.37PbZrO₃-0.48PbTiO₃ (PYN-PZT) ceramics are achieved by introducing the sintering additive Li₂CO₃. These ceramics achieved excellent performance (<em>d</em>₃₃ = 459 pC/N, <em>d</em>₃₃* = 573 pm/V, <em>T</em>_C = 401 °C) at 1100 °C, which enables co-firing with the internal electrode. Furthermore, they demonstrate excellent temperature stability (Variation = 5.84 %) over a wide temperature range (30–190 °C). Subsequently, PYN-PZT+ 0.05Li multilayer piezoelectric actuators (MLAs), with dimensions of 7 × 7 × 36 mm, were fabricated using the tape casting method. The PYN-PZT+ 0.05Li-MLAs exhibit superior performance (<em>S</em> = 0.0689 %) and temperature stability (Variation = 9.87 %) across the temperature range (30–190 °C) and retain 88.5 % of their performance at 270 °C. The service temperature and temperature stability are significantly higher than those of previously reported materials and commercial actuators, suggesting that the PYN-PZT+ 0.05Li-MLAs hold great promise for significantly expanding the high-temperature range of MLAs.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117601"},"PeriodicalIF":5.8,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144254092","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}

{"title":"Composition-dependent structural, microstructural and functional characteristics of fine-grained BaTi1-xHfxO3 ceramics consolidated by Spark Plasma Sintering","authors":"Elena Mirabela Soare ,&nbsp;Cătălina-Andreea Stanciu ,&nbsp;Roxana Elena Pătru ,&nbsp;Vasile-Adrian Surdu ,&nbsp;Nadejda Horchidan ,&nbsp;Liliana Mitoşeriu ,&nbsp;Ioana Pintilie ,&nbsp;Bogdan Ştefan Vasile ,&nbsp;Adrian-Ionuţ Nicoară ,&nbsp;Roxana Doina Truşcă ,&nbsp;Adelina-Carmen Ianculescu","doi":"10.1016/j.jeurceramsoc.2025.117600","DOIUrl":"10.1016/j.jeurceramsoc.2025.117600","url":null,"abstract":"<div><div>The functional properties of BaTi_1-xHf_xO₃ (0 ≤x ≤ 0.20) ceramics consolidated by spark plasma sintering from Pechini nanopowders are discussed in terms of the synergic effect of overlapping dissimilar structural modifications, nanoscale grain size reduction and ferroelectric-relaxor crossover. Structural and Raman investigations revealed the coexistence of various polymorph modifications. The main effects of Hf addition are: (<em>i</em>) a strong inhibiting of the grain growth process, (<em>ii</em>) the reduction of <em>T</em>_C and increase of the orthorhombic-tetragonal and rhombohedral-orthorhombic transition temperatures until a single, \"pinched\" and diffuse ferroelectric-paraelectric phase transition occurs, (<em>iii</em>) a strong flattening of the permittivity maximum, (<em>iv</em>) a slight decrease of the grain boundary resistivity, but still allowing the application of high a.c. and d.c. fields and (<em>v</em>) a gradual reduction of polarization, hysteresis loops area, energy storage capability and tunability values. Based on the dielectric and thermo-Raman results, a new low-temperature phase diagram of the fine-grained BaTi_1-xHf_xO₃ ceramics is proposed.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117600"},"PeriodicalIF":5.8,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144307507","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}

{"title":"Thermomechanical degradation mechanisms of high-entropy (Yb0.25Er0.25Ho0.25Y0.25)2SiO5 environmental barrier coatings under CMAS melt infiltration","authors":"Zhijia Zhang ,&nbsp;Guo Jin ,&nbsp;Xiufang Cui ,&nbsp;Zhuo Chen ,&nbsp;Qicheng Li ,&nbsp;Shinan Hu ,&nbsp;Dechang Ma ,&nbsp;Hanchun Wang ,&nbsp;Xin Wen ,&nbsp;Haoliang Tian ,&nbsp;Haidou Wang","doi":"10.1016/j.jeurceramsoc.2025.117606","DOIUrl":"10.1016/j.jeurceramsoc.2025.117606","url":null,"abstract":"<div><div>This study examines the thermomechanical degradation mechanisms of a high-entropy (Yb_0.25Er_0.25Ho_0.25Y_0.25)₂SiO₅ (4REMS) environmental barrier coating under CMAS melt infiltration. The investigation considers both isothermal and thermal cycling conditions. Under isothermal exposure, the 4REMS coating exhibited excellent corrosion resistance due to the formation of a continuous apatite reaction layer that effectively inhibited melt infiltration. The synergistic dissolution of Yb^3 + , Er³⁺, Ho³⁺ and Y³⁺ cations in the CMAS melt promoted the formation of this dense layer. However, during cyclic corrosion testing, the emergence of microcracks compromised the structural integrity of the reaction layer, leading to an accelerated penetration rate of corrosive species. Furthermore, periodic temperature fluctuations induced dynamic instabilities in the dissolution-precipitation equilibrium, resulting in pronounced morphological alterations of apatite grains, including enhanced nucleation and coarsening.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117606"},"PeriodicalIF":5.8,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144290696","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}

{"title":"Novel Ba6Mg(11+x)F(34+2x) binary fluoride ceramics with excellent microwave/millimeter-wave dielectric properties for high-reliability packaging applications","authors":"Yi Bin Sun ,&nbsp;Mo Wei ,&nbsp;Chen Bo Wang ,&nbsp;Jing Ye Jin ,&nbsp;Xiong Jian Ruan ,&nbsp;Wei Ping Gong ,&nbsp;Qing Wei Zhou ,&nbsp;Xue Qing Yu ,&nbsp;Min Min Mao ,&nbsp;Lei Cao ,&nbsp;Kai Xin Song ,&nbsp;Chuan Yin ,&nbsp;Bing Liu","doi":"10.1016/j.jeurceramsoc.2025.117599","DOIUrl":"10.1016/j.jeurceramsoc.2025.117599","url":null,"abstract":"<div><div>Fluorides are promising low-permittivity microwave dielectric ceramics with exceptional dielectric properties. However, achieving optimal densification remains a challenge for most unary fluoride ceramics, and systematic studies on binary or polyfluoride ceramics are limited. In this study, novel non-stoichiometric Ba₆Mg_{(11+<em>x</em>)}F_{(34+2<em>x</em>)} (<em>x</em> = 0–0.5) binary fluoride ceramics were successfully prepared using the solid-state reaction method. The non-stoichiometric binary composition design enhanced the sintering behavior and effectively suppressed the formation of secondary phases, resulting in outstanding microwave dielectric properties. The optimal performance was achieved at <em>x</em> = 0.25 when sintered at 825°C, with <em>ε</em>_<em>r</em> = 8.2 ± 0.03<em>, Qf</em> = 77,700 ± 1100 GHz at 24 GHz, and <em>τ</em>_<em>f</em> = –83.95 ± 1.4 ppm/°C. Additionally, Ba₆Mg_{(11+<em>x</em>)}F_{(34+2<em>x</em>)} ceramics exhibited a reduced contact angle compared to unary fluorides and showed an excellent match in thermal expansion coefficient (17.6 ppm/°C) with copper electrodes, making them highly suitable for addressing thermal stress issues in integrated circuit packaging.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117599"},"PeriodicalIF":5.8,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239429","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}

{"title":"Guided phase transition from TiO2 rutile to anatase during electroforming of memristor-like devices","authors":"Andrea Alessio ,&nbsp;Valentina Bonino ,&nbsp;Federico Picollo ,&nbsp;Lorenzo Mino ,&nbsp;Matteo Fretto ,&nbsp;Jorge Serrano ,&nbsp;Vanessa Hinojosa-Chasiquiza ,&nbsp;Kalle Goß ,&nbsp;Regina Dittmann ,&nbsp;Gema Martinez-Criado ,&nbsp;Marco Truccato","doi":"10.1016/j.jeurceramsoc.2025.117597","DOIUrl":"10.1016/j.jeurceramsoc.2025.117597","url":null,"abstract":"<div><div>The effect of X-ray nano-beam irradiation has been investigated, along with a subsequent electric discharge between the metallic electrodes of memristive-like devices fabricated on top of rutile single crystals. X-ray irradiation with a photon flux of about 6 × 10¹² photons/second impinging on an area of 74 × 60 nm², and with irradiation times of the order of tens of seconds per point, has been able to pattern a conducting path between the electrodes, which has guided the electric discharge process. The results from Ti K-edge XANES mapping with submicron spatial resolution show small changes in the configuration of the pre-edge peaks, suggesting the presence of anatase phase in the affected region, which is also confirmed by micro-Raman mapping. This implies the occurrence of very intense Joule heating during the electric discharge (<em>T</em> &gt; 2140 K), followed by a very quick cooling process. This conversion of rutile to anatase represents a novel electrical method for the formation of localized anatase nanoparticles from rutile single crystals, which may be of help for specific applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117597"},"PeriodicalIF":5.8,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144230809","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}

{"title":"Phase stabilization strategy for robust high Q×f values in MgSiO3-based ceramics for millimeter-wave applications","authors":"Jin Fang ,&nbsp;Minmin Mao ,&nbsp;Yuxuan She ,&nbsp;Yutao Yang ,&nbsp;Yingjie Ren ,&nbsp;Hadi Barzegar Bafrooei ,&nbsp;Mahdi Feizpour ,&nbsp;Alexander Korotkevich ,&nbsp;Viktor Sergeevich Leontev ,&nbsp;Mikhail P. Kuz'min ,&nbsp;Shuqing Song ,&nbsp;Weiquan Zhang ,&nbsp;Kaixin Song","doi":"10.1016/j.jeurceramsoc.2025.117586","DOIUrl":"10.1016/j.jeurceramsoc.2025.117586","url":null,"abstract":"<div><div>MgSiO₃ ceramics hold promise for millimeter-wave applications owing to their low relative permittivity and cost-effectiveness, but their performance is limited by polymorphism and phase transitions. To mitigate these challenges, we strategically introduced Ge⁴⁺ ions to stabilize the orthoenstatite (OEN) phase and prepared MgSi_1-<em>x</em>Ge_<em>x</em>O₃ ceramics via a solid-state method. X-ray diffraction (XRD) and Raman spectroscopy confirmed a phase transition from clinoenstatite (CEN) to OEN with increasing Ge⁴⁺ concentration, resulting in a predominantly OEN phase at <em>x</em> ≥ 0.15. Scanning Electron Microscopy (SEM) revealed that Ge⁴⁺ influenced grain size, uniformity and density. The relative permittivity <em>ε</em>_r increased from 6.07 ± 0.11–7.10 ± 0.09 with increasing <em>x</em>, while the temperature coefficient <em>τ</em>_<em>f</em> decreased monotonically. Optimal <em>Q</em>×<em>f</em> values of 140,000 ± 11,000 GHz at 13.1 GHz and 216,880 ± 12,840 GHz at 24.4 GHz were achieved at <em>x</em> = 0.15. After one year, the microwave dielectric properties remained robust, underscoring the potential of MgSiO₃ for practical millimeter-wave applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117586"},"PeriodicalIF":5.8,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144230677","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}

{"title":"The impact of SrTiO3, CaTiO3 and BaTiO3 on the formation of core-shell structures in solid solutions with Na0.5Bi0.5TiO3","authors":"Sophie Bauer ,&nbsp;Marc Widenmeyer ,&nbsp;Till Frömling","doi":"10.1016/j.jeurceramsoc.2025.117588","DOIUrl":"10.1016/j.jeurceramsoc.2025.117588","url":null,"abstract":"<div><div>The solid solution 75Na_0.5Bi_0.5TiO₃-25SrTiO₃ (NBT-ST) can achieve outstanding high-strain properties for actuator applications. Whether these properties arise from microscopic core-shell structures or coexisting polar nanoregions remains uncertain, thus opening up a promising research field for tuning functional properties. One possible way to reveal the underlying core-shell formation mechanism and the structure’s impact on functional properties is to test related solid solutions with NBT. This study examines the applicability of core-shell formation conditions and associated property changes in NBT-ST to 87Na_0.5Bi_0.5TiO₃ −13CaTiO₃ (NBT-CT) and 94Na_0.5Bi_0.5TiO₃–6BaTiO₃ (NBT-BT). Thermal analysis and scanning electron microscopy revealed that two-step reactions, as in NBT-ST and NBT-CT, are the key factor enabling core-shell structures. A single-step reaction, like in NBT-BT resulted in no core-shell structures. As already demonstrated for NBT-ST, core-shell structures in NBT-CT led to comparably high strains of 0.29 % and slim polarisation loops, confirming the transferability of property changes associated with chemical inhomogeneities.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117588"},"PeriodicalIF":5.8,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239350","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}

{"title":"Novel (La0.2Ce0.2Pr0.2Nd0.2Gd0.2)2Hf2O7 high-entropy pyrochlore oxide as a promising TBC material","authors":"Gaius Cherian Mathew,&nbsp;Shijo Thomas","doi":"10.1016/j.jeurceramsoc.2025.117589","DOIUrl":"10.1016/j.jeurceramsoc.2025.117589","url":null,"abstract":"<div><div>High-entropy pyrochlore oxides are multi-cation solid solutions that have excellent high-temperature structural stability. They find application in fields like thermal insulation, catalysis, sensors, fuel cells, and optical and electronic devices, due to their compositional flexibility. While much research has focused on pyrochlore zirconates as a thermal barrier coating material, high entropy hafnates remain relatively unexplored although they have been reported to have better thermal characteristics. In this study, a novel high entropy pyrochlore hafnate, (La_0.2Ce_0.2Pr_0.2Nd_0.2Gd_0.2)₂Hf₂O₇, denoted as (LCPNG)HO, was designed, synthesized and characterized as a novel thermal barrier coating material. The high entropy oxide was synthesized through a solution combustion process using urea as fuel. The formation of phase-pure pyrochlore crystal structure was confirmed using characterization methods like XRD, Raman and HR-TEM with SAED. (LCPNG)HO exhibits excellent high temperature phase stability up to 1600 ℃ and has a uniform elemental distribution. The material exhibited excellent thermal stability with negligible mass changes in the temperature range of 25 – 1400 ℃, without any endothermic or exothermic processes being present. (LCPNG)HO exhibited a low thermal conductivity of 1.73 W/m.K and a coefficient of thermal expansion of 11.27 × 10⁻⁶ /K at 1000 ℃. The thermal conductivity value of (LCPNG)HO is lower than that of YSZ, a widely used TBC material. (LCPNG)HO also exhibited a wider UV-Vis absorption than YSZ and 20 % enhancement in IR absorbance, making it a suitable candidate for UV-IR shielding. The novel high entropy oxide displays an average hardness of 12.54 GPa and fracture toughness of 2.51 MPa.m^1/2 on dense sintered samples. Thermal ageing and cycling processes at high temperatures established that the high entropy oxide has excellent phase stability even after 150 h of ageing at 1400 ℃ and 15 cycles of heating and sudden cooling. (LCPNG)HO also exhibited excellent chemical compatibility with the thermally grown oxide, Al₂O₃. The results indicate that (LCPNG)HO has outstanding characteristics, suitable for thermal barrier coating application.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117589"},"PeriodicalIF":5.8,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144195158","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}

{"title":"Role of waste glass as a fluxing agent in the sintering mechanism of porous ceramic aggregates from aluminium dross","authors":"Xinghan Huang ,&nbsp;Fengyi Zhang ,&nbsp;Xinyue Ma ,&nbsp;Chiu Chuen Onn ,&nbsp;Ying Pio Lim ,&nbsp;Heng Kam Lim ,&nbsp;Chou Yong Tan ,&nbsp;Kim Hung Mo","doi":"10.1016/j.jeurceramsoc.2025.117587","DOIUrl":"10.1016/j.jeurceramsoc.2025.117587","url":null,"abstract":"<div><div>This study presents an innovative approach to enhance the performance of porous ceramic aggregates (PCAs) produced from secondary aluminium dross (SAD) by incorporating waste glass powder (WGP). During the sintering process, aluminium nitride (AlN) in SAD acts as a pore-forming agent through its oxidation reaction, while the Na₂O and CaO in WGP serve as fluxing agents due to their low melting point. Mixtures containing 60 % brown clay and 40 % SAD with varying WGP contents (0–20 %) were sintered at 1150–1250 °C. The optimal addition of 15 % WGP resulted in the highest crushing strength of 5.3 MPa at 1200 °C and the lowest bulk density of 381 kg/m³ at 1250 °C. Microstructural observations confirmed a well-developed porous structure. Furthermore, heavy metal leaching concentrations were below regulatory limits, indicating environmental safety. These results demonstrate that incorporating WGP as a fluxing agent facilitates densification and pore formation, offering a sustainable route in PCAs production.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117587"},"PeriodicalIF":5.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144222512","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}

{"title":"Enhanced antimony telluride thermoelectric generators: From material synthesis to device applications","authors":"Nattharika Theekhasuk ,&nbsp;Rachsak Sakdanuphab ,&nbsp;Athorn Voraud ,&nbsp;Pichet Limsuwan ,&nbsp;Aparporn Sakulkalavek ,&nbsp;Nuttakrit Somdock","doi":"10.1016/j.jeurceramsoc.2025.117585","DOIUrl":"10.1016/j.jeurceramsoc.2025.117585","url":null,"abstract":"<div><div>This study investigates the effect of Bi₄O₄SeCl₂ (BOSC) addition (0–4 wt%) on the thermoelectric performance of p-type Bi₀.₅Sb₁.₅Te₃ synthesized via high-energy ball milling. XRD analysis revealed lattice incorporation at 1 wt% BOSC, while higher concentrations led to phase separation. The 1 wt% BOSC sample exhibited a significantly reduced total thermal conductivity of 0.28 W/m·K, compared to 0.46 W/m·K in the undoped sample, attributed to enhanced phonon scattering. Despite moderate decreases in electrical conductivity and Seebeck coefficient, a peak ZT of 1.02 at 50 °C was achieved—representing a ∼54 % improvement over the undoped material. Furthermore, a prototype thermoelectric module fabricated with BOSC-doped legs produced a power density of 17.6 mW/cm² under a 150 °C temperature gradient. These results demonstrate that BOSC is an effective additive for reducing thermal conductivity and enhancing overall thermoelectric performance, offering potential for energy harvesting applications at moderate temperatures.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 15","pages":"Article 117585"},"PeriodicalIF":5.8,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144189896","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}