Article
Materials Science, Ceramics
Jin-hang Dai, Fei Liang, Rong Zhang, Wen-zhong Lu, Gui-fen Fan
Summary: The study examines the reinforcement effect of LCP fibers on polymer matrix microwave composites to prevent the deterioration of their properties caused by ceramic particle agglomeration. The results show that a small amount of LCP can promote the crystallization of PTFE and increase the mechanical strength of composites. However, when the LCP content is too high, its reinforcement effect on the composites is gradually weakened.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Multidisciplinary
Adel M. El Sayed
Summary: Perovskite-polymer hybrids, prepared by mixing nano-sized BiFeO3 and NaTiO3 with PMMA through solution casting, exhibit improved physical properties and flexibility suitable for various electric and optoelectronic applications. Characterization techniques like X-ray diffraction, FTIR, and SEM-EDS were used to evaluate the structural properties, interactions, and thickness of the composite films. The incorporation of nano-fillers narrowed the optical bandgap while maintaining high transmittance, making these composite films suitable for thin film capacitors and bio-engineering systems.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2021)
Article
Chemistry, Physical
Ying Zhang, Xiuhua Guo, Kexing Song, Shaolin Li, Jiang Feng, Kaiyue Duan, Junbiao Duan
Summary: Graphene reinforced copper matrix composites were prepared by in-situ synthesis, which improved the interfacial bonding and enhanced the comprehensive performance of the composites. TiCp was formed at the interface, accompanied by Cu-Ti metallic compound in the matrix. The sintering parameters were optimized to achieve good interfacial bonding and improve the strengthening efficiency of GNPs. The in-situ synthesized TiCp played a crucial role in strengthening the GNPs/Cu interface and preventing crack propagation, thereby improving the mechanical properties of the composites.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
R. J. Sengwa, Priyanka Dhatarwal
Summary: PNC films consisting of PMMA matrix and wide energy bandgap semiconductor nanocrystallite fillers were prepared by a sonicated suspension of nanoparticles in polymeric solutions followed by the casting method. The UV-Vis study revealed significant differences in absorbance and energy bandgap among the PNC films with various metal oxide nanofillers and concentrations. The films exhibited potential applications in UV-shielding, optical sensing, and bandgap tuning in advanced optoelectronic and organoelectronic devices.
Review
Polymer Science
Quan Wang, Junbo Che, Weifei Wu, Zhendong Hu, Xueqing Liu, Tianli Ren, Yuwei Chen, Jianming Zhang
Summary: Due to the trend of multi-function, integration, and miniaturization of electronics, traditional dielectric materials are difficult to satisfy new requirements. High dielectric polymer composites have attracted wide attention due to their outstanding processibility, good designability, and dielectric properties. In this review, the influences of matrix, fillers, and filler arrangement on dielectric properties are systematically summarized, and the challenges and prospects of high dielectric polymer composites are proposed.
Article
Materials Science, Composites
Zilong Xie, Dingyao Liu, Yang Xiao, Ke Wang, Qin Zhang, Kai Wu, Qiang Fu
Summary: Polymer dielectrics have the potential for high breakdown strength and low dielectric loss, but suffer from low permittivity. Adding high permittivity filler in polymer can increase the permittivity, but it also decreases the breakdown strength and increases the dielectric loss. Fillers with lower permittivity can enable higher breakdown strength and lower dielectric loss by removing high electric field. However, this conclusion remains controversial due to experimental interferences.
COMPOSITES SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
Uma Shankar, Amit Kumar, Sujeet Kumar Chaurasia, Pramod Kumar, F. A. Latif, M. Z. A. Yahya
Summary: This article presents the preparation and characterization of ultrafine superparamagnetic Fe3O4 nanoparticles and their composites with the PMMA polymer matrix. The nanofiller particle Fe3O4 is found to have a cubic structure with the space group (Fd 3 m) based on X-ray diffraction studies. The microstructure and elemental compositions of PMMA-Fe(3)O(4) polymer composites are examined using scanning electron microscopy and energy dispersive spectroscopy. The interaction between the filler particles and the functional group of the polymer PMMA is detected by Fourier transform infrared spectroscopy. UV-spectroscopy studies reveal that PMMA-Fe(3)O(4) nanocomposite films exhibit tunable energy band gap properties.
JOURNAL OF ELECTRONIC MATERIALS
(2023)
Article
Optics
Bedil M. Saidzhonov, Vladimir B. Zaytsev, Roman B. Vasiliev
Summary: A new method to tune the optoelectronic properties of cadmium chalcogenide nanoplatelets (NPLs) by incorporating CdSe NPLs into a PMMA matrix is reported in this study. The red-shift in excitonic transitions and band-edge emission of NPLs induced by the polymer matrix depends on the thickness of the NPLs. This simple approach allows for adjusting the optical and electronic properties of NPLs without altering their sizes and composition, showing potential for various practical applications.
JOURNAL OF LUMINESCENCE
(2021)
Article
Engineering, Electrical & Electronic
R. S. Hafez, Rania Ramadan, S. S. El-Khiyami
Summary: This research synthesized nanocomposite films of PMMA and CFO nanoparticles using solution casting technique, characterized them using various methods, and analyzed their optical, electrical, and magnetic properties. The findings showed that as the concentration of cobalt ferrite nanoparticles increased, the optical energy gap decreased and the refractive index increased.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Materials Science, Composites
Anindita Mukherjee, Barnali Dasgupta Ghosh
Summary: Polymer composite films were fabricated by embedding well-dispersed ZnO@APTES nanoflakes (0, 20, 30, 40, 50 vol%) into polyvinylidene fluoride (PVDF) matrix using a solution casting method. Surface modification and high aspect ratio morphology of ZnO@APTES enhanced the interfacial interaction between PVDF and ZnO, resulting in reduced dielectric loss and improved energy storage performance. The optimized loading of 30 vol% ZnO@APTES in PVDF showed an appreciable recoverable energy density of about 3.2 J/cm(3), indicating its potential application in energy storing portable devices.
POLYMER COMPOSITES
(2023)
Article
Materials Science, Multidisciplinary
Elia Marin, Mikiya Mukai, Francesco Boschetto, Thefye P. M. Sunthar, Tetsuya Adachi, Wenliang Zhu, Alfredo Rondinella, Alex Lanzutti, Narisato Kanamura, Toshiro Yamamoto, Lorenzo Fedrizzi, Giuseppe Pezzotti
Summary: This research investigates the use of stereolithography to 3D print PMMA resins reinforced with antibacterial ceramic powders. The results show that aluminum nitride provides the most uniform dispersion. The composite materials with aluminum nitride and barium titanate exhibit significant antibacterial effects, and the use of stereolithography further enhances the dispersion and antibacterial effects.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Chemistry, Physical
D. K. Chudasama, V. G. Shrimali, Sangita Chavda, Payal Joshi, Urvashi Jambukiya, V. S. Vadgama, Davit Dhruv, P. S. Solanki, A. D. Joshi, N. . A. Shah, D. D. Pandya
Summary: Multiple studies have reported on the structural, magnetic, and electrical properties of BiFeO3-Al2O3 nanocomposites prepared using the sol-gel method. The results showed that the composites had a bi-phase structure with the presence of impurity phases. The addition of Al2O3 nanoparticles led to a decrease in the dielectric constant, loss tangent, and ac conductivity. The electrical measurements followed Jonscher's universal power law and were dominated by the correlated barrier hopping mechanism.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Engineering, Electrical & Electronic
Rui Chu, Ling Weng, Lizhu Guan, Jinming Liu, Xiaorui Zhang, Zijian Wu
Summary: With the rapid development of electronic industry, dielectric capacitors are widely used. Polyvinylidene fluoride (PVDF)-based composites have become facilitated dielectric energy storage materials. In this study, ZIF-67 and SiCNWs were used as fillers to enhance the mechanical, dielectric, and energy storage properties of PVDF-based composites. ZIF-67/PVDF nanocomposites showed improved performance compared to SiCNWs/PVDF, with increased energy storage density of 97.96%.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Materials Science, Composites
Gulben Torgut, Nagihan Karaaslan Ayhan, Aslisah Acikses
Summary: The precipitation method was used to synthesize a poly(epsilon-caprolactone-copolymer-ethylene oxide) composite with lanthanum salt. The thermal and dielectric properties of the polymer were studied by incorporating different weight percentages of the salt. Characterization techniques such as Fourier Transform Infrared Spectroscopy, X-ray diffractometry, scanning electron microscopy, and thermogravimetric analysis were used. The results showed that the thermal stability of the composites was lower than that of the pure polymer, and the dielectric properties and AC conductivity increased with increasing lanthanum content. This eco-friendly and easy-to-handle method provides a promising route for polymer composites in the field of conductivity.
POLYMER COMPOSITES
(2023)
Review
Green & Sustainable Science & Technology
Hari Prashanth Palani Velayuda Shanmugasundram, Elammaran Jayamani, Kok Heng Soon
Summary: This review paper summarizes the complete discoveries of dielectric materials from ceramics to polymer composites and explores their applications. It discusses the basic principles of dielectric behavior in composites systems and how polarization models are intertwined with composite fabrication. The study thoroughly investigates the combinations of different components in composites for engineering solutions. It also classifies and reviews recent discoveries of dielectric composite materials, focusing on ceramic-based composites, polymer-ceramic composites, natural fiber reinforced polymer composites, and bio-based polymer composites. Additionally, the processing techniques of these dielectric materials are comprehensively reviewed, along with their prominent applications.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Article
Materials Science, Ceramics
Deniz Bozoglu, Sahin Yakut, Kemal Ulutas, Deniz Deger
Summary: Thin film polyethylene oxide, produced by the thermal evaporation technique, exhibits structural and property differences compared to bulk polyethylene oxide. The dielectric constant of polyethylene oxide thin film is 10 times greater than that of bulk polyethylene oxide. There is consistency among dielectric constants, activation energies, and free volume fractions for both thin film and bulk samples. Polyethylene oxide thin film is observed to be more brittle than bulk polyethylene oxide.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Xiaozhen Fan, Zhuo Wang, Zheng Fang, Huiqun Ye, Jinju Zheng, Jianqiang Zhang, Yanjun Qin, Yao Zhai, Yanlong Miao, Zixiang Zhao, Can Yang, Jiajun He, Zhenghang Wei, Yunzhang Fang
Summary: The microscopic strain evolution and microstructural of FeCuNbSiB amorphous alloy samples were studied under both free and tensile stress annealing conditions. It was found that an amorphous-nanocrystalline structure was developed in both samples after annealing at 813 K, and the size of nanocrystals was limited by the applied stress.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Atsushi Tanaka, Atsuki Saito, Takashi Murata, Ayako Nakata, Tsuyoshi Miyazaki
Summary: Although molecular dynamics (MD) simulation is a powerful tool for investigating the atomic-scale structures of complex materials, its reliable and accurate application to multi-component glass systems faces challenges due to limited force fields (FFs) and the complexity of chemical environments. This study demonstrates the feasibility of efficient and accurate large-scale density functional theory (DFT) calculations for multi-component glass systems. The evaluation of classical FFs based on the results of large-scale DFT calculations reveals low accuracy for non-bridging oxygen atoms, and differences in Si-O-Si angle distribution and electronic structure for X = Mg.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Petr Shvets, Ksenia Maksimova, Aleksandr Goikhman
Summary: In this study, vanadium oxide xerogel samples were successfully synthesized through a liquid phase reaction and the interaction of films with water. The samples were thoroughly analyzed using X-ray diffraction and Raman spectroscopy, revealing the existence of two distinct phases. It was also discovered that previous misinterpretations regarding the high-pressure polymorph structure were due to the formation of a high-temperature phase. These findings highlight the potential for further refining and expanding the current structural models of vanadium oxide xerogel in future research efforts.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Yiran Zhang, Jing Pang, Qingchun Xiang, Dong Yang, Yinglei Ren, Xiaoyu Li, Keqiang Qiu
Summary: The effect of the volume fraction of body-centered cubic (BCC) crystal on the room temperature brittleness of Fe-based amorphous nanocrystalline alloys was investigated. Molecular dynamics simulations were conducted to obtain seven model samples with different embedded BCC nanocrystal contents. The results showed a gradient decrease in the plasticity of the alloys with different nanocrystal contents.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Moustafa Sahnoune Chaouche, Hani K. Al-Mohair, Shavan Askar, Barno Sayfutdinovna Abdullaeva, Naseer Ali Hussien, Ahmed Hussien Alawadi
Summary: In this work, a novel micromechanical data-driven machine learning framework was proposed to characterize material parameters in bulk metallic glasses. The framework utilized nanoindentation simulations with Berkovich and spherical tips to compile a vast collection of data on material behavior in BMGs. The developed machine learning model efficiently predicted critical material properties and highlighted the importance of input feature weight functions.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Louisiane Verger, Vinuyan Ganesaratnam, Virginie Nazabal, Sebastien Chenu, Christophe Calers, David Le Coq, Laurent Calvez, Olivier Hernandez, Xiang-Hua Zhang
Summary: Crystallization in Ga, Sb, and Se glasses was studied, and a correlation between Se content, crystalline phases, and electrical conductivity was observed. The resulting glass-ceramics exhibited significantly higher conductivity compared to other Se-based glass-ceramics.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Seong-Sik Shin, Ga-Yeong Kim, Byeonggwan Lee, Jae-Hwan Yang, Yeon-Su Son, Jung-Hoon Choi, Jae-Young Pyo, Ki Rak Lee, Hwan-Seo Park, Hyun Woo Kang
Summary: In this study, silver tungstate-tellurite glass with different loading of AgI was developed for immobilization of radioactive iodine. The effects of increasing the amount of AgI on the glass matrix were investigated. The leaching properties of all samples were evaluated, and it was found that the release of all elements satisfied the US regulation.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Chunghee Nam
Summary: This study demonstrates the prediction performance of a CNN regression model for the magnetic entropy changes and transition temperatures of bulk metallic glasses with magnetocaloric effects. The model achieved high prediction performance, as measured by the determination coefficient and root mean square error. The results showed good agreement with experimental values and reported results.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
A. Hosny, Y. M. Moustafa, G. El-Damrawi
Summary: In this study, crystalline glass ceramics were obtained directly from glasses using an ion exchange process between lead bromide and oxygen ions. The addition of lead bromide caused significant changes in the glass structure and the formation of specific crystalline phases.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Luana Cristina Feitosa Alves, Jheimison Ferreira Gomes, Natacya Fontes Dantas, Maria Nayane Queiroz, Pablo Nabuco Portes, Francielle Sato, Nilma de Souza Fernandes, Karina Miyuki, Celso Vataru Nakamura, Alysson Steimacher, Franciana Pedrochi
Summary: This study evaluated the influence of CaF2 addition on the bioactivity of the samples. The results showed that the samples exhibited good bioactivity and cytocompatibility, making them suitable for biomedical applications.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
N. Keninger, S. Feller
Summary: The principles of Topological Constraint Theory (TCT) were used to study alkali borate and silicate glass systems. Structural models were developed based on experimental data and used to predict properties of the glass.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Hao Wang, Chengliang Zhao, Chuntao Chang, Shengli Zhu, Zhankui Zhao
Summary: The relationship between the heterogeneous structure and structural relaxation in metallic glasses was explored by investigating the quasielastic and viscoelastic behavior of a Zr55Cu30Ni5Al10 metallic glass. Stress-annealing treatment was used to retain elastic strain energy, and a unique creep recovery phenomenon was observed during the reheating process. The Maxwell model was employed to qualitatively describe the mechanisms of elastic strain energy retention and release.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Sihyung Lee, Giyeol Han, Karuppasamy Pandian Marimuthu, Hyungyil Lee
Summary: This study presents a method for extracting FVM parameters of Zr-based TFMG using MD and FEA, and validates the method through simulation and experiments.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)
Article
Materials Science, Ceramics
Nedra Saad, Mohamed Haouari, Mayssa Ibrahim, Noura Amamou
Summary: In this work, we investigated the optical properties of a fluorophosphate glass system doped with Tb3+ and Eu3+ ions. We found that the emitted light can be tuned by changing the doping concentration, excitation wavelength, or excitation power, which is important for the design of solid-state lighting sources.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2024)