Journal of Materiomics最新文献_第10页

Ultra-large strain response in BNT-BT-KNN thin films boosted by electric field-induced inversion of long-range ordered polarization 电场诱导的长程有序极化反转促进 BNT-BT-KNN 薄膜的超大应变响应

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-07-05 DOI: 10.1016/j.jmat.2024.06.005

Jinyan Zhao , Zhe Wang , Liyan Dai , Chuying Chen , Kun Zheng , Ruihua An , Zenghui Liu , Nan Zhang , Yi Quan , Lingyan Wang , Genshui Wang , Xin Li , Yulong Zhao , Gang Niu , Wei Ren

{"title":"Ultra-large strain response in BNT-BT-KNN thin films boosted by electric field-induced inversion of long-range ordered polarization","authors":"Jinyan Zhao , Zhe Wang , Liyan Dai , Chuying Chen , Kun Zheng , Ruihua An , Zenghui Liu , Nan Zhang , Yi Quan , Lingyan Wang , Genshui Wang , Xin Li , Yulong Zhao , Gang Niu , Wei Ren","doi":"10.1016/j.jmat.2024.06.005","DOIUrl":"10.1016/j.jmat.2024.06.005","url":null,"abstract":"<div><div>Bismuth sodium titanate (BNT)-based piezoelectric materials are the most promising candidates for lead-free actuator applications. With the request for integration and size miniaturization of devices, it is urgent to develop thin films for microdevices to be compatible with semiconductor processes. Through composition engineering, BNT-based thin films were fabricated on silicon substrates, with ultra-high strain response and negligible hysteresis in strain curves. The DC-dependent and temperature-dependent dielectric properties were collected to investigate the relaxor state of thin films. The structure and polarization transition and evolution as a function of electric field and time were analyzed based on the electric characterization, <em>in-situ</em> Raman measurements, and dynamics PFM. The reversible phase transition and polarization order-disorder transformation are the most significant features for reaching a large strain of >1.6% in BNT-based thin films.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100908"},"PeriodicalIF":8.4,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141689764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Site preference of Ni in Pb(Fe1/2Nb1/2)O3 during additive compositional modification 添加剂成分改性过程中 Pb(Fe1/2Nb1/2)O3 中 Ni 的位点偏好

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-07-05 DOI: 10.1016/j.jmat.2024.06.004

Ahrom Ryu , Ji-Hun Park , Dong Won Jeon , Jae-Hyeon Cho , Haena Yim , Keun Hwa Chae , Seong H. Kim , Sahn Nahm , Sung Beom Cho , Wook Jo , Ji-Won Choi

{"title":"Site preference of Ni in Pb(Fe1/2Nb1/2)O3 during additive compositional modification","authors":"Ahrom Ryu , Ji-Hun Park , Dong Won Jeon , Jae-Hyeon Cho , Haena Yim , Keun Hwa Chae , Seong H. Kim , Sahn Nahm , Sung Beom Cho , Wook Jo , Ji-Won Choi","doi":"10.1016/j.jmat.2024.06.004","DOIUrl":"10.1016/j.jmat.2024.06.004","url":null,"abstract":"<div><div>Doping and substitution methods are predominantly employed in the synthesis of ceramics to achieve their desired functional properties. We studied the behavior of excessive dopants in addition to an existing stoichiometric composition using a high-throughput continuous compositional spread sputtering method. We paid attention to the possible formation of thermodynamically unstable phases by the addition of an excessive amount of dopants. We showed that even when dopants were added as an additive, they dissolved into the existing lattice due to the benefit of the entropy of mixing. Regardless of excessiveness, all added elements incorporated into the lattice, stabilized by the tolerance factor. We also demonstrated our findings exemplarily with lead iron niobate to induce magnetic properties alongside inherent ferroelectricity (<em>M</em><sub>S</sub> = 10 emu/cm<sup>3</sup>, <em>P</em><sub>S</sub> = 16 μC/cm<sup>2</sup>). We compare the results from CCS with those from the non-additive solid-state method, leading to a conclusion that the benefit from the entropy of mixing allows foreign elements to substitute for the elements initially residing in the lattice to a degree in compliance with the Goldschmidt tolerance factor. This observation was confirmed by a density functional theory calculation. We anticipate that our study could necessitate intensive research on achieving desired composition through industry-friendly processing.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100907"},"PeriodicalIF":8.4,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141714027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Processing and properties of Al-Si microcapsules with a biomimetic-corrugated structure and corundum-mullite composite shell 具有仿生物波纹结构和刚玉-莫来石复合外壳的铝硅微胶囊的加工与性能

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-07-03 DOI: 10.1016/j.jmat.2024.06.003

Jixiang Zhang , Meijie Zhang , Huazhi Gu , Chris R. Bowen , Haifeng Li , Ao Huang , Lvping Fu , Xing Liu

{"title":"Processing and properties of Al-Si microcapsules with a biomimetic-corrugated structure and corundum-mullite composite shell","authors":"Jixiang Zhang , Meijie Zhang , Huazhi Gu , Chris R. Bowen , Haifeng Li , Ao Huang , Lvping Fu , Xing Liu","doi":"10.1016/j.jmat.2024.06.003","DOIUrl":"10.1016/j.jmat.2024.06.003","url":null,"abstract":"<div><div>The encapsulation of metal-based phase change materials using ceramics can realize safe and effective storage of high-temperature thermal energy. However, the use of a low toughness ceramic shell around the microcapsules cannot ensure the provision of a high latent heat and thermal cyclic stability. Here, we provide a new and effective design strategy for preparing biomimetic Al–Si microcapsules that are based on a sea-shell corrugated structure and a nano-scale corundum-mullite composite shell. The latent heat of the microcapsules was over 400 J/g, much greater than other metal-based microcapsules reported to date. The unique biomimetic-corrugated structure microcapsules obtained by a heat treatment at 1000 °C exhibited excellent thermal stability, achieving near zero heat loss after 5000 thermal cycles, whose latent heat of absorption and release reached up to 448.3 J/g and 451.8 J/g respectively. Furthermore, the microcapsules possessed a giant heat storage density of 945.8 J/g within 300–700 °C, and the performance figure of merit was 6384.2 × 10<sup>6</sup> J<sup>2</sup>·K<sup>−1</sup>·s<sup>−1</sup>·m<sup>−4</sup>, approximately 15 times higher than that of commercial solar salt. This new approach provides a pathway the practical application of Al–Si alloys as thermal storage materials for renewable energy applications.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100906"},"PeriodicalIF":8.4,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141704964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Measurement of space charge density distributions and dielectric resonance enhancement of beam deflection properties of KTN crystal

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-06-27 DOI: 10.1016/j.jmat.2024.04.017

Pan Chen , Wendie Chen , Shuo Zhang , Jianwei Zhang , Jianxing Shen , Bing Liu , Xuping Wang

{"title":"Measurement of space charge density distributions and dielectric resonance enhancement of beam deflection properties of KTN crystal","authors":"Pan Chen , Wendie Chen , Shuo Zhang , Jianwei Zhang , Jianxing Shen , Bing Liu , Xuping Wang","doi":"10.1016/j.jmat.2024.04.017","DOIUrl":"10.1016/j.jmat.2024.04.017","url":null,"abstract":"<div><div>In recent years, potassium tantalum niobate (KTN) electro-optical deflection devices have gained considerable attention because of their notable advantages, such as large deflection angles, low operational voltage requirements, and compact dimensions. This study uses the phase-shifted interferometric optical path to characterize the influence of direct current (DC) voltage on charge density. An interferogram is acquired using the four-step phase-shifting technique, enabling the calculation of phase delays and deducing the variation in charge density. Experimental results demonstrate that the charge density near the cathode increases with an increase in DC voltage. Subsequently, we utilize the frequency dependence of the dielectric constant of the KTN crystal on the electric field. The dielectric constant can be enhanced when the characteristic frequency of the motion of the polar nanoscale region matches the frequency of the electric field. This field-induced enhancement effect improves the beam deflection performance of the KTN crystal. Application requirements in the field of high-speed random scanning can be realized through the mechanism of the KTN crystal co-acting with DC and alternating current electric fields.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100902"},"PeriodicalIF":8.4,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143093549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Dual-phase ceramics based on multi-cation boride and carbide: Investigations at the nanoscale 基于多阳离子硼化物和碳化物的双相陶瓷：纳米级研究

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-06-26 DOI: 10.1016/j.jmat.2024.06.002

Steven M. Smith II , Nicola Gilli , William G. Fahrenholtz , Gregory E. Hilmas , Sandra García-González , Emilio Jiménez-Piqué , Stefano Curtarolo , Laura Silvestroni

{"title":"Dual-phase ceramics based on multi-cation boride and carbide: Investigations at the nanoscale","authors":"Steven M. Smith II , Nicola Gilli , William G. Fahrenholtz , Gregory E. Hilmas , Sandra García-González , Emilio Jiménez-Piqué , Stefano Curtarolo , Laura Silvestroni","doi":"10.1016/j.jmat.2024.06.002","DOIUrl":"10.1016/j.jmat.2024.06.002","url":null,"abstract":"<div><p>A dual phase boride and carbide ceramic with the nominal composition (Ti<sub>0.2</sub>Zr<sub>0.2</sub>Hf<sub>0.2</sub>Nb<sub>0.2</sub>Ta<sub>0.2</sub>)B<sub>2</sub> and (Ti<sub>0.2</sub>Zr<sub>0.2</sub>Hf<sub>0.2</sub>Nb<sub>0.2</sub>Ta<sub>0.2</sub>)C was prepared by reactive synthesis and consolidated by spark plasma sintering. The resulting microstructure contained about 30% (in volume) boride and 70% carbide. Compositional inhomogeneities were observed within single grains that had core-shell structures and preferential accumulation of specific metals in the boride or carbide phases. Specifically, Ti and Nb had higher concentrations in the boride, whereas Hf and Ta in the carbide. The Zr concentration was relatively equally distributed in the two phases. The dual phase ceramic had additional, distinctive features including nanosized inclusions, possibly related to local miscibility gaps and supersaturation, linear defects, and strain due to adjustment of the crystal structure. As a consequence, the fracture mode was transgranular with the crack path deviated by these nanometric microstructure alterations. Nanoindentation under 5 mN measured higher hardness and modulus for the boride, 30 GPa and 525 GPa, as compared to the carbide phase, 22 GPa and 425 GPa, due to a higher concentration of dislocation tangles and strains deriving from the introduction of metals with different sizes (and properties) in a less compliant hexagonal lattice.</p></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 1","pages":"Article 100905"},"PeriodicalIF":8.4,"publicationDate":"2024-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S235284782400131X/pdfft?md5=9a5fd9e8c08dee82de25ed6db26a0d0b&pid=1-s2.0-S235284782400131X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142128522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Significantly enhanced electrocaloric effect by composition modulation in lead-free BaTiO3-based ceramics 无铅 BaTiO3 基陶瓷中的成分调控显著增强了电致发光效应

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-06-22 DOI: 10.1016/j.jmat.2024.05.011

Yingzhi Meng , Silin Tang , Zhaojie Wang , Xiang Niu , Hongfang Zhang , Dingyuan Wang , Yisong Bai , Biaolin Peng , Sheng-Guo Lu , Qingqing Ke , Laijun Liu

{"title":"Significantly enhanced electrocaloric effect by composition modulation in lead-free BaTiO3-based ceramics","authors":"Yingzhi Meng , Silin Tang , Zhaojie Wang , Xiang Niu , Hongfang Zhang , Dingyuan Wang , Yisong Bai , Biaolin Peng , Sheng-Guo Lu , Qingqing Ke , Laijun Liu","doi":"10.1016/j.jmat.2024.05.011","DOIUrl":"10.1016/j.jmat.2024.05.011","url":null,"abstract":"<div><div>The electrocaloric effect (ECE) offers a pathway to environmentally sustainable and easily miniaturized refrigeration technology, positioning it as a front-runner for the next generation of solid-state cooling solutions. This research unveils a remarkable ECE in a finely tuned (Ba<sub>0.86</sub>Ca<sub>0.14</sub>)<sub>0.98</sub>La<sub>0.02</sub>Ti<sub>0.92</sub>Sn<sub>0.08</sub>O<sub>3</sub> ceramic, exhibiting a temperature shift (Δ<em>T</em>) of 1.6 K across more than 85% of the maximum Δ<em>T</em> (Δ<em>T</em><sub>max</sub>) and spanning an exceptionally wide operational range of 92 K. Our investigation on dielectric responses and ferroelectric polarization-electric field (<em>P–E</em>) loops suggests that the broad operational scope results from the fragmentation of extended ferroelectric domains into smaller domains and polar nano-regions (PNRs) supported by PFM analysis. Furthermore, the introduction of La enhances spontaneous polarization by significantly extending the maximum electric field that can be applied, facilitating high-performance ECE at ambient temperature. This study positions BaTiO<sub>3</sub>-based lead-free ceramic as a sustainable alternative for addressing the cooling demands of modern electronic components, marking a significant stride toward next-generation solid-state refrigeration.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100903"},"PeriodicalIF":8.4,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142536061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Fundamentals and applications of millimeter-wave and terahertz programmable metasurfaces 毫米波和太赫兹可编程元表面的基本原理和应用

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-06-20 DOI: 10.1016/j.jmat.2024.06.001

Xiaojian Fu , Peng Wang , Yujie Liu , Yuan Fu , Qingdong Cai , Yu Wang , Silei Yang , Tie Jun Cui

{"title":"Fundamentals and applications of millimeter-wave and terahertz programmable metasurfaces","authors":"Xiaojian Fu , Peng Wang , Yujie Liu , Yuan Fu , Qingdong Cai , Yu Wang , Silei Yang , Tie Jun Cui","doi":"10.1016/j.jmat.2024.06.001","DOIUrl":"10.1016/j.jmat.2024.06.001","url":null,"abstract":"<div><p>Millimeter-wave and terahertz frequency bands are receiving more and more attention due to their big potentials for widespread applications such as in high-speed communications and high-resolution imaging. Nevertheless, limited by the functional materials and devices in these bands, we face lots of challenges towards high efficiency, high precision, and multi-domain electromagnetic manipulations that are urgently required in the practical application scenarios. The emergence of metasurfaces, especially the digital coding metasurfaces and programmable metasurfaces, has provided powerful capabilities to control electromagnetic waves. Recently, with the progress of space-domain, time-domain, space-time-domain, and polarization-domain programmable metasurfaces, considerable new applications have been achieved, including new-architecture wireless communication transmitters, the integration of sensing and communications, simultaneous information and power transfers, and information encryption. Consequently, integrated multifunctional platforms based on metasurfaces are expected. In this review, the recent advances in millimeter-wave and terahertz programmable metasurfaces are thoroughly presented, including the design principles and methods, the applications in the next-generation wireless communication systems, the integrated sensing and communications, and other multifunctional systems.</p></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 1","pages":"Article 100904"},"PeriodicalIF":8.4,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2352847824001308/pdfft?md5=d50df24d73dbf7b5d34035a85c24c714&pid=1-s2.0-S2352847824001308-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142128424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Antiferroelectric domain modulation enhancing energy storage performance by phase-field simulations 通过相场模拟提高反铁电畴调制的储能性能

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-06-13 DOI: 10.1016/j.jmat.2024.04.016

Ke Xu , Shiyu Tang , Changqing Guo , Yu Song , Houbing Huang

{"title":"Antiferroelectric domain modulation enhancing energy storage performance by phase-field simulations","authors":"Ke Xu , Shiyu Tang , Changqing Guo , Yu Song , Houbing Huang","doi":"10.1016/j.jmat.2024.04.016","DOIUrl":"10.1016/j.jmat.2024.04.016","url":null,"abstract":"<div><div>Antiferroelectric materials represented by PbZrO<sub>3</sub>(PZO) have excellent energy storage performance and are expected to be candidates for dielectric capacitors. It remains a challenge to further enhance the effective energy storage density and efficiency of PZO-based antiferroelectric films through domain engineering. In this work, the effects of three variables, misfit strain between the thin film and substrate, defect dipoles doping, and film thickness, on the domain structure and energy storage performance of PZO-based antiferroelectric materials are comprehensively investigated <em>via</em> phase-field simulations. The results show that applying tensile strain to the films can effectively increase the transition electric field from antiferroelectric to ferroelectric. In addition, the introduction of defect dipoles while applying tensile strain can significantly reduce the hysteresis and improve energy storage efficiency. Ultimately, a recoverable energy density of 38.3 J/cm<sup>3</sup> and an energy storage efficiency of about 89.4% can be realized at 1.5% tensile strain and 2% defect dipole concentration. Our work provides a new idea for the preparation of antiferroelectric thin films with high energy storage density and efficiency by domain engineering modulation.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100901"},"PeriodicalIF":8.4,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141390183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Crafting very low frequency magnetoelectric antenna via piezoelectric and electromechanical synergic optimization strategy 通过压电和机电协同优化策略制作极低频磁电天线

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-06-13 DOI: 10.1016/j.jmat.2024.05.010

{"title":"Crafting very low frequency magnetoelectric antenna via piezoelectric and electromechanical synergic optimization strategy","authors":"","doi":"10.1016/j.jmat.2024.05.010","DOIUrl":"10.1016/j.jmat.2024.05.010","url":null,"abstract":"<div><div>A boom in exploration for marine geology and ocean resources has resulted in a huge demand for radio navigation or special environment communications, in turn spurring the rapid development of portable underwater wireless communication technology. State of the art acoustic communication methods used today are plagued by substantial transmission delays, multipath effects, and doppler frequency shifts, among other challenges, thus impeding the advancement of underwater wireless communication technology. Low-frequency electromagnetic transmission has proven to be a prospective solution for underwater communication, but the conventional electrical antennas is too large for portable underwater wireless communication. Emergent magnetoelectric (ME) antennas driven by piezoelectric materials have become a promising solution for miniaturizing very low frequency (VLF) communication systems. Here, a theoretical model between the radiation performance and piezoelectric material properties of the ME antenna was conducted. Guide by the theory analysis, Pb(In<sub>1/2</sub>Nb<sub>1/2</sub>)O<sub>3</sub><img>Pb(Mn<sub>1/3</sub>Sb<sub>2/3</sub>)O<sub>3</sub><img>Pb(Zr<sub>0.49</sub>Ti<sub>0.51</sub>)O<sub>3</sub> (PIN-PMS-PZT) piezoelectric ceramic simultaneous with high <em>d</em><sub>33</sub> and <em>Q</em><sub>m</sub> (<em>d</em><sub>33</sub> ∼ 401, <em>Q</em><sub>m</sub> ∼ 1510) has been designed to enhance the magnetoelectric radiation of the VLF ME antenna. The PIN-PMS-PZT based ME antenna achieves a large converse magnetoelectric response 1.78 Gs⋅cm/V in EMR, which is almost doubled to commercial PZT based ME antenna. More importantly, a VLF communication system was built based on the VLF antenna, which successfully transmitted digital signals using Amplitude-Shift-Keying (ASK) modulation. It is believed that the presented work could provide a theoretical basis and feasible technical path for the employment of ME antennas in the future.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100900"},"PeriodicalIF":8.4,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141404413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Enhancing Li-ion transport by creating continuous channels and improving the decomposition of lithium salts in composite polymer electrolytes 通过在复合聚合物电解质中创建连续通道和改善锂盐分解来增强锂离子传输

IF 8.4 1区材料科学

Journal of Materiomics Pub Date : 2024-06-13 DOI: 10.1016/j.jmat.2024.05.007

{"title":"Enhancing Li-ion transport by creating continuous channels and improving the decomposition of lithium salts in composite polymer electrolytes","authors":"","doi":"10.1016/j.jmat.2024.05.007","DOIUrl":"10.1016/j.jmat.2024.05.007","url":null,"abstract":"<div><div>With the merits of both solid polymer electrolytes (SPEs) and inorganic ceramic electrolytes (ICEs), composite polymer electrolytes (CPEs) prepared by coupling polymer matrix with inorganic fillers are broadly utilized in solid lithium metal batteries (SLMBs). However, CPEs fabricated by a single filler with polymer matrix often exhibit unsatisfactory performance. Here, prepared by coupling poly (ethylene oxide) (PEO) matrix with a natural additive carboxymethyl cellulose lithium (CMC-Li) and an inorganic filler mineral hectorite (Ht), an efficient CPE is reported. Detailedly, CMC-Li is considered to act as a “bridge”, which connects the Ht nanosheets distributed in PEO, thus establishing continuous Li<sup>+</sup> transmission channels. Ht with a nanolayers structure vividly acts as “bricks”, pave the way for ion transference. In addition, oxygen atoms in CMC-Li contribute to adequately dissociating lithium salts, hydrogen bonding generated by hydroxyl groups is propitious to anchor anions to increase the Li<sup>+</sup> transference number. Under the synergistic effect brought by CMC-Li and Ht, the electrolyte membrane PEO-10%Ht-4%CMC-Li (PHCL, in mass fraction) displays a high Li<sup>+</sup> transfer number (0.73) and exceptional Li<sup>+</sup> conductivity at 25 °C (2.5 × 10<sup>−4</sup> S/cm). Our work demonstrates a powerful mean to fabricate the efficient electrolyte membrane for SLMBs.</div></div>","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 3","pages":"Article 100897"},"PeriodicalIF":8.4,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141405294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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