Cong Yan , Alexander Plunkett , Büsra Bor , Erica Lilleodden , Gerold A. Schneider , Diletta Giuntini
{"title":"In situ compression of ceramic-organic supraparticles: Deformation and fracture behavior","authors":"Cong Yan , Alexander Plunkett , Büsra Bor , Erica Lilleodden , Gerold A. Schneider , Diletta Giuntini","doi":"10.1016/j.jeurceramsoc.2025.117482","DOIUrl":"10.1016/j.jeurceramsoc.2025.117482","url":null,"abstract":"<div><div>Supercrystalline nanocomposites (SCNCs) feature intriguing functionalities and exceptional mechanical properties, but they are usually confronted with challenges when it comes to processing them in larger bulk form. One way to tackle this problem is a hierarchical approach, for which spherical SCNCs, i.e. supraparticles (SPs), are promising candidates as building blocks. Understanding the mechanical behavior of SPs is thus a key step towards the development of robust, multifunctional and macroscopic SCNCs. Hereby, in situ compression tests are performed on SPs with varying sizes and levels of crosslinking of their organic ligands. A size-dependent deformation and fracture behavior emerges. Plasticity occurs in larger SPs, while small ones exhibit brittle fracture. Surface stress and compaction affect the elastic modulus. Fracture initiation sites shift from the center of SPs to their equatorial belts with the decrease of SPs’ size. The inverse scaling relationship between fracture strength and SPs’ sizes is rationalized via Griffith theory.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117482"},"PeriodicalIF":5.8,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143906886","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 microwave performance of nano-TiO2 modified lithium ferrites for high-power applications","authors":"Mingchao Yang, Lijun Jia, Zhihao Chen, Hongwei Li, Wei Xiang, Xuening Han, Huaiwu Zhang","doi":"10.1016/j.jeurceramsoc.2025.117483","DOIUrl":"10.1016/j.jeurceramsoc.2025.117483","url":null,"abstract":"<div><div>To meet the application requirements of high-power microwave devices, the effects of anatase nano-TiO<sub>2</sub> doping on the high-power withstanding capability, and microwave loss of lithium ferrites were investigated. The results revealed that an increased proportion of fine grains played a critical role in enhancing spin-wave linewidth (Δ<em>H</em><sub><em>k</em></sub>). The Curie temperature rose with increasing doping amount (<em>x</em>), which was attributed to the precipitation of the Bi-enriched ferrite phase. In particular, when <em>x</em> = 0.35, the sample exhibited high spin-wave linewidth (Δ<em>H</em><sub><em>k</em></sub> = 14.8 Oe) and low dielectric loss (tan<em>δ</em><sub><em>ε</em></sub> = 2.31 ×10<sup>−4</sup>), alongside a significant reduction in ferromagnetic resonance linewidth (Δ<em>H</em> = 88 Oe). Leveraging these properties, a classic high-power latching phase shifter was designed. The device achieved large phase shift (>358 °), low insertion loss (<0.84 dB), and small voltage standing wave ratio (<1.23). These excellent performances highlight the promising prospects of nano-TiO<sub>2</sub> modified lithium ferrites in high-power microwave device applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117483"},"PeriodicalIF":5.8,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143904390","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}
Ye Tian , Shaoqi Guo , Ye Jia , Tian Xia , Yonghao Xu , Liaona She , Zixiong Sun , Yuanting Wu , Wanyin Ge , Li Jin , Xiaoyong Wei
{"title":"Significantly enhanced energy storage performance achieved by relaxor-antiferroelectricity in silver sodium niobate ceramics","authors":"Ye Tian , Shaoqi Guo , Ye Jia , Tian Xia , Yonghao Xu , Liaona She , Zixiong Sun , Yuanting Wu , Wanyin Ge , Li Jin , Xiaoyong Wei","doi":"10.1016/j.jeurceramsoc.2025.117481","DOIUrl":"10.1016/j.jeurceramsoc.2025.117481","url":null,"abstract":"<div><div>AgNbO<sub>3</sub> antiferroelectric materials have garnered significant research interest for applications in high-power energy-storage systems. However, the high manufacturing cost due to expensive “Ag” restricts their commercial applications. Herein, we studied an antiferroelectric ceramic system at a lower cost:(Ag<sub>0.5–3x</sub>Sm<sub>x</sub>Na<sub>0.5</sub>)NbO<sub>3</sub>(ASNN<em>x</em>). The results show that at <em>x</em> ≤ 0.05, the “chemical-pressure” provided by Sm-doping compresses antiferroelectric unit-cell and suppresses spontaneous polarization, boosting antiferroelectric stability. At <em>x</em> = 0.07, the antiferroelectric <em>Pbcm</em> phase evolves into a paraelectric <em>P</em>4/<em>mbm</em> phase displaying classic dielectric relaxation characteristic. Analysis of both composition- and temperature-driven electrical polarization behavior indicates the presence of numerous <em>antipolar</em> clusters (i.e., relaxor-antiferroelectric state) in the <em>P</em>4/<em>mbm</em> lattice, resulting in significantly enhanced energy-storage performance (<em>W</em><sub>rec</sub> = 3.9 J/cm<sup>3</sup>, η = 83 %) compared to the initial composition, with a temperature variation rate ≤ 3 % over 30–140 °C. Pulsed discharge results for ASNN0.07 ceramic show that at <em>E</em> = 250 kV/cm, the <em>W</em><sub>dis</sub>= 2.6 J/cm³ , <em>P</em><sub>D</sub> = 140 MW/cm³ and <em>t</em><sub>0.9</sub> = 50 ns, rivaling previously reported (Ag,Sm)NbO<sub>3</sub> ceramics; in particular, it only contains 29 % Ag.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117481"},"PeriodicalIF":5.8,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143894389","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}
Huanrong Tian , Xu Zhou , Zidong Zhang , Haitao Wu , Yao Liu
{"title":"A novel ultra-low relative permittivity Mg2P4O12 metaphosphate ceramic for dielectric resonator antennas","authors":"Huanrong Tian , Xu Zhou , Zidong Zhang , Haitao Wu , Yao Liu","doi":"10.1016/j.jeurceramsoc.2025.117480","DOIUrl":"10.1016/j.jeurceramsoc.2025.117480","url":null,"abstract":"<div><div>Addressing the critical demand for ultra-low relative permittivity ceramics in advanced communication systems, this study developed a novel Mg<sub>2</sub>P<sub>4</sub>O<sub>12</sub> metaphosphate ceramic. At microwave frequencies, it exhibits excellent performance with <em>ε</em><sub>r</sub> = 4.61 ± 0.08, <em>Q×f</em> = 51,073 ± 1716 GHz, and <em>τ</em><sub>f</sub> = −11.46 ± 2.1 ppm/℃, offering significant advantages in low-latency transmission and high temperature stability. Additionally, its low bulk density (∼ 2.50 g/cm<sup>3</sup>) supports lightweight design of electronic devices. Terahertz time-domain spectroscopy further demonstrated its excellent submillimeter-wave dielectric performance, suggesting potential for achieving higher <em>Q×f</em> values. Consequently, 5 wt% H<sub>3</sub>BO<sub>3</sub> was introduced to improve sintering characteristics, significantly enhancing the quality factor to 61,757 ( ± 1608) GHz. To validate practical application, a broadband DRA was designed using Mg<sub>2</sub>P<sub>4</sub>O<sub>12</sub>+ 5 wt% H<sub>3</sub>BO<sub>3</sub> ceramics, achieving an impressive bandwidth of 27.4 % and high gain of 7.3 dBi, demonstrating great potential for radar communication applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117480"},"PeriodicalIF":5.8,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874982","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}
Jianxin Zheng , Yuan Lin , Tongguo Huo , Dan Zhu , Yanyan Wang , Ziwei Wang , Siqing Wang , Yu Dai , Jian Wu
{"title":"Preparation and comparative study on the mechanical properties and ablation behavior of C/C-ZrxTa1-xC composites","authors":"Jianxin Zheng , Yuan Lin , Tongguo Huo , Dan Zhu , Yanyan Wang , Ziwei Wang , Siqing Wang , Yu Dai , Jian Wu","doi":"10.1016/j.jeurceramsoc.2025.117479","DOIUrl":"10.1016/j.jeurceramsoc.2025.117479","url":null,"abstract":"<div><div>Using a self-made ZrC-TaC composite liquid precursor, we introduced Zr<sub>x</sub>Ta<sub>1-x</sub>C solid solution ceramics into a C/C composite matrix via precursor impregnation and pyrolysis (PIP) to fabricate C/C-Zr<sub>x</sub>Ta<sub>1-x</sub>C composites. By optimizing the Zr/Ta ratio, C/C-Zr<sub>x</sub>Ta<sub>1-x</sub>C composites with excellent mechanical and ablative properties were prepared. For the Zr/Ta ratio of 6:1, the composite exhibits a flexural strength of 166.16 ± 13.84 MPa and a flexural modulus of 24.43 ± 2.28 GPa. Under an oxyacetylene flame with a heat flux of 4.18 MW/m², the composite with a Zr/Ta molar ratio of 12:1 exhibited the lowest mass and linear ablation rates of 1.98 mg/s and 5.91 μm/s, respectively. This is because during the ablation process, the Zr-Ta-O composite oxide layer characterized by a solid ZrO<sub>2</sub> framework and liquid phases of Zr<sub>6</sub>Ta<sub>2</sub>O<sub>17</sub> and Ta<sub>2</sub>O<sub>5</sub> as pore fillers effectively prevented further oxygen intrusion into the matrix, thereby significantly enhancing ablation performance.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117479"},"PeriodicalIF":5.8,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868949","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}
Zhipeng Fu , Lingfei Zhang , Changlian Chen , Shuai Yang , Rongqi Xu , Xianliang Fu , Li Zhu , Hebin Shi , Man Xu
{"title":"High porosity and robust strength silicon carbide ceramic membrane for water treatment","authors":"Zhipeng Fu , Lingfei Zhang , Changlian Chen , Shuai Yang , Rongqi Xu , Xianliang Fu , Li Zhu , Hebin Shi , Man Xu","doi":"10.1016/j.jeurceramsoc.2025.117478","DOIUrl":"10.1016/j.jeurceramsoc.2025.117478","url":null,"abstract":"<div><div>Silicon carbide (SiC) ceramic membranes are renowned for their excellent properties, finding extensive applications across various fields. However, achieving a balance between porosity and strength poses a persistent challenge. This study uses a freeze-drying method to prepare a silica sol-starch composite xerogel as a pore-forming agent. The structural stability of the composite xerogel plays a critical role in supporting the pore structure during pressing, thus enhancing porosity and achieving a homogeneous microstructure. At approximately 1400 °C, carbon derived from the starch carbonizes and reacts with SiO<sub>2</sub> in the pore-forming agent <em>via</em> a carbothermal reduction, generating fine SiC particles. These particles further undergo recrystallization among the starting SiC particles, forming uniform pore structures to improve open porosity and robust sintering necks. With the pore-forming agent's dosage optimized to 15 %, the resulting high open porosity of 55.6 %, enhanced permeability, and improved mechanical strength of 54.9 MPa.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117478"},"PeriodicalIF":5.8,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874983","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":"Improvement of CMAS corrosion resistance in ytterbium aluminum garnet by multi-phasing of ytterbium oxide","authors":"Naoki Yamazaki , Kohei Doi , Takeshi Nakamura , Makoto Tanaka , Satoshi Kitaoka , Takahisa Yamamoto","doi":"10.1016/j.jeurceramsoc.2025.117474","DOIUrl":"10.1016/j.jeurceramsoc.2025.117474","url":null,"abstract":"<div><div>The corrosion of environmental barrier coatings (EBCs) from calcium-magnesium-aluminosilicate (CMAS) has emerged as a significant challenge. To enhance the corrosion resistance of ytterbium-aluminum-garnet (YbAG) as EBC, this study multi-phased YbAG with ytterbium-oxide (Yb<sub>2</sub>O<sub>3</sub>) via a two-step process, including a eutectoid reaction between them. Consequently, the corrosion depth was reduced by approximately one-tenth of its initial value, irrespective of Yb<sub>2</sub>O<sub>3</sub> volume fraction. However, the resultant microstructure exhibited variation with Yb<sub>2</sub>O<sub>3</sub> volume fraction. The YbAG grains transformed into a core/shell structure, increasing the shell thickness with Yb<sub>2</sub>O<sub>3</sub>-mutiphasing up to 28vol%-Yb<sub>2</sub>O<sub>3</sub>, where the shell is a garnet structure containing the CMAS component as a solid solution. Furthermore, the presence of apatite (Ca<sub>2</sub>Yb<sub>8</sub>(SiO<sub>4</sub>)<sub>6</sub>O<sub>2</sub>) and cuspidine [(Yb, Ca, Mg)<sub>4</sub>(Si, Al)<sub>2</sub>O<sub>9</sub>] was observed over 45vol%-Yb<sub>2</sub>O<sub>3</sub>. From the standpoint of optimal structural similarity with YbAG, the multi-phasing up to 28vol%-Yb<sub>2</sub>O<sub>3</sub>, in which the core/shell structure is the sole reaction phase, was deemed preferable for the EBC.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117474"},"PeriodicalIF":5.8,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143882490","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":"Influence of load, sliding speed, and temperature on the tribological behavior of plasma sprayed BaF2-doped YSZ composite coatings","authors":"Rajib Das, P.P. Bandyopadhyay","doi":"10.1016/j.jeurceramsoc.2025.117476","DOIUrl":"10.1016/j.jeurceramsoc.2025.117476","url":null,"abstract":"<div><div>This report explores the tribological characteristics of BaF<sub>2</sub>-doped YSZ coatings under varying loads, speeds, and temperatures. Up to 10 N load, the friction coefficient (COF) decreases owing to elastic contact, then it stabilizes within 0.78 – 0.80 as plastic contact dominates. At 650 °C, BaF<sub>2</sub> extrusion under high loads reduces the COF to 0.56. Increased speed further lowers the COF through debris ejection and asperity softening. The wear rate rises with load and speed owing to Hertzian stress and tangential impact, respectively. Fatigue and abrasive wear are the main wear mechanisms. BaF<sub>2</sub> layer provides significant wear protection, and with temperature, its shear strength reduces, lowering the COF to 0.39 and wear rate to 5.36 × 10<sup>−4</sup> mm<sup>3</sup>/Nm at 750 °C.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117476"},"PeriodicalIF":5.8,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143865132","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}
Chuchu Ma, Tianyang Li, Youyuan Wang, Yao Zhang, Qian Cao, Xiaolong Gong, Xian Zeng, Xudong Cheng, Kai Liu
{"title":"Tribological behavior and mechanism of high-temperature self-lubricating wear-resistant composite coatings on 3D-printed SiC ceramic surfaces","authors":"Chuchu Ma, Tianyang Li, Youyuan Wang, Yao Zhang, Qian Cao, Xiaolong Gong, Xian Zeng, Xudong Cheng, Kai Liu","doi":"10.1016/j.jeurceramsoc.2025.117473","DOIUrl":"10.1016/j.jeurceramsoc.2025.117473","url":null,"abstract":"<div><div>In this paper, high-temperature self-lubricating wear-resistant YSZ-Al<sub>2</sub>O<sub>3</sub>-CaF<sub>2</sub>-C composite coatings were prepared on the surface of 3D-printed SiC ceramics using nano-ZrO<sub>2</sub> modification assisted with plasma spraying technology. This study focuses on the tribological behavior and mechanism of the composite coatings between room temperature and 600 °C. From room temperature to 600 °C, the composite coatings' friction coefficients and volumetric wear rates fell between 0.151 and 0.496 and 0.91 × 10<sup>−5</sup> and 5.58 × 10<sup>−5</sup> mm³ /N·m, respectively. During friction, the self-lubricating effect of C at room temperature and CaF<sub>2</sub> at high temperature (above 400 °C) can produce a lubricating film and effectively reduce the friction coefficient of the composite coatings. Microscopic analysis revealed that the primary wear characteristics of the composite coatings are abrasive chips, grooves, and Si transfer layers, demonstrating that the wear mechanisms are abrasive wear and adhesive wear. It indicates that the high-temperature self-lubricating and wear-resistant performance of the YSZ-Al<sub>2</sub>O<sub>3</sub>-CaF<sub>2</sub>-C composite coatings can be significantly improved by designing the material components, which is of great significance for the application of wear-resistant ceramic parts in aerospace industry.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117473"},"PeriodicalIF":5.8,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874981","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}
Ruifeng Wu , Yafei Liu , Hao Sun , Aimin Chang , Bo Zhang
{"title":"Suppressing intrinsic self-compensating of BaSm2Ti4O12-δ ceramics for high-temperature thermistor application","authors":"Ruifeng Wu , Yafei Liu , Hao Sun , Aimin Chang , Bo Zhang","doi":"10.1016/j.jeurceramsoc.2025.117475","DOIUrl":"10.1016/j.jeurceramsoc.2025.117475","url":null,"abstract":"<div><div>BaSm<sub>2</sub>Ti<sub>4</sub>O<sub>12</sub> (BSTO) material is promising for high-temperature thermistor applications owing to its excellent thermal stability and sensitivity coefficients. However, above 973 K, the increase in oxygen vacancies triggers the self-compensating effect of BSTO, leading to a de-localization of the localized states in the forbidden band and electrical properties deviating from the Arrhenius equation. Herein, we propose a Passive Variable-Range Hopping (PVRH) conduction mechanism to explain the nonlinear nature. Meanwhile, we suppress oxygen vacancy formation using Tb<sup>3.5 +</sup> doping and enhance structural stability through high-temperature aging, ensuring the electrical properties of BSTO materials follow the Arrhenius equation. In particular, the electrical properties of the BaTb<sub>0.2</sub>Sm<sub>1.8</sub>Ti<sub>4</sub>O<sub>12-<em>δ</em></sub> sample demonstrate an excellent linear correlation with the Arrhenius equation, achieving a Pearson coefficient of 99.992 % across 723–1273 K. and maintaining a sensitivity coefficient as high as −1.28 % at 1273 K. This study provides valuable theoretical support for the development of high-temperature thermistors with high-precision.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 12","pages":"Article 117475"},"PeriodicalIF":5.8,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143869023","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}