Article
Engineering, Mechanical
Yang Xu, Guiyong Chen, Zhijie Liu, Junjun Zhu, Jiabin Shen, Shaoyun Guo, Xiaofei Zhang
Summary: This study investigated the scratch behaviors and mechanisms of UV-cured polyacrylate hard coating (HC) systems on polymethyl methacrylate (PMMA)/ polycarbonate (PC) laminates. The scratch resistances of HC systems were found to improve with increasing HC thickness and substrate hardness. Experimental results showed that scratch damages of HC systems were characterized by dense periodic cracks, which was attributed to the maximum principal stress perpendicular to the crack propagation direction.
Article
Materials Science, Coatings & Films
Ippei Tanaka, Hiroshi Okubo, Yasunori Harada
Summary: The study investigates the synthesis of diamonds on three-dimensional metal surfaces using MVP deposition, focusing on how pressure and bias voltage influence the diamond structure. The results show that MVP makes it possible to deposit diamond on 3D shape substrates, with diamond particles created at specific bias voltages and methane concentrations.
SURFACE & COATINGS TECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Qingguo Gao, Jie Lu, Simin Chen, Lvcheng Chen, Zhequan Xu, Dexi Lin, Songyi Xu, Ping Liu, Xueao Zhang, Weiwei Cai, Chongfu Zhang
Summary: In this study, a novel method for synthesizing high-quality and uniform monolayer MoS2 crystals on glass substrates was developed using inert Al2O3 as the buffer layer. The advantages of using glass/Al2O3 substrates were demonstrated through a direct comparison with glass/Mo substrates. Raman and PL spectra were used to further characterize the MoS2 crystals, and the thickness and uniformity of the crystals were confirmed by atomic force microscope and Raman mapping. This work is significant for the commercial applications of MoS2.
Article
Chemistry, Physical
Kaihao Zhang, A. John Hart
Summary: The transfer-free synthesis route allows highly-uniform bilayer graphene to grow directly on dielectric substrates, addressing the issue of wrinkles and folds that occur in traditional methods. The graphene produced through this technique has a smooth surface, free of wrinkles, and exhibits low twist angles, making it promising for various applications.
APPLIED SURFACE SCIENCE
(2022)
Review
Chemistry, Multidisciplinary
Jingyuan Shan, Jingyu Sun, Zhongfan Liu
Summary: Growing graphene on sapphire substrates using CVD allows for fewer grain boundaries, larger grain sizes, and transfer-free properties. Sapphire has emerged as an ideal substrate for graphene growth due to its low cost, good mechanical strength, and stability under CVD conditions. Applications of graphene/sapphire hybrid materials are diverse and the synthesis of graphene over sapphire shows promise.
Review
Chemistry, Multidisciplinary
Fan Zhou, Junjie Shan, Lingzhi Cui, Yue Qi, Jingyi Hu, Yanfeng Zhang, Zhongfan Liu
Summary: This review article showcases the recent advances in direct PECVD growth of vertically oriented graphene (VG) films on functional insulating substrates and discusses their applications in various fields, such as photothermal conversion and thermal management for high-power devices.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Review
Chemistry, Physical
Ting Cheng, Luzhao Sun, Zhirong Liu, Feng Ding, Zhongfan Liu
Summary: Graphene growth on metal substrates through chemical vapor deposition (CVD) is facilitated by the catalytic role of the metal substrate in carbon feedstock decomposition, graphene nucleation, and growth. The substrate controls the orientation of graphene and influences the growth modes on different metal surfaces. Additionally, the formation of wrinkles and step bunches in graphene is discussed, highlighting the strong interaction between graphene and the substrate.
ACTA PHYSICO-CHIMICA SINICA
(2022)
Article
Polymer Science
Ankur Shukla, Dipayan Das, Kushal Sen
Summary: This article presents a fast and innovative process for conducting in situ polymerization of pyrrole onto a polyester fabric. The process utilizes electrically-assisted chemical vapor polymerization and ultrasonication to effectively bind the polymer to the fabric, resulting in the formation of electroconductive polypyrrole. The study finds that the applied potential, concentration of oxidant and dopant, polymerization time, and monomer vaporization rate play critical roles in determining the surface resistance of the fabric.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Chemistry, Physical
Wenjuan Huang, Mengting Song, Yue Zhang, Yadi Zhao, Huayi Hou, Luc Huy Hoang, Xiangbai Chen
Summary: In this study, 2D gamma-In2Se3 nanosheets with excellent optical and electrical properties were successfully grown on SiO2/Si substrates by chemical vapor deposition (CVD), and a broadband photodetector based on In2Se3 was fabricated. The photodetector exhibited a stable broadband response ranging from near ultraviolet to infrared, providing opportunities for its application in various fields and serving as a reference for the preparation and application of other 2D materials.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Ryuto Horie, Hiroyuki Nishinaka, Daisuke Tahara, Masahiro Yoshimoto
Summary: Alloying γ-Ga2O3 with γ-aluminum oxide effectively achieves lattice-matched growth and band gap engineering, leading to a band gap energy of 5.88 eV. The epitaxial growth of γ-(AlxGa1-x)2O3 on spinel substrates demonstrated limited dislocations and band gap engineering capabilities in the range of 5.0-6.0 eV, showing promise for wide band gap semiconductor applications in power switching devices and deep-ultraviolet optoelectronics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
Max Franck, Jaroslaw Dabrowski, Markus Andreas Schubert, Christian Wenger, Mindaugas Lukosius
Summary: In this study, the growth of hexagonal boron nitride (hBN) on epitaxial Ge(001)/Si substrates using high-vacuum chemical vapor deposition from borazine was systematically investigated for the first time. The research findings suggest that the process pressure and growth temperature have certain influences on the morphology, growth rate, and crystalline quality of hBN films.
Review
Energy & Fuels
Surjit Sahoo, Gopinath Sahoo, Sang Mun Jeong, Chandra Sekhar Rout
Summary: Vertical graphene (VG) has gained attention as an electrode material for supercapacitors due to its unique properties. Progress has been made in growth and application of VG, but there are still many recent developments to be reviewed. By controlling the growth direction of graphene, its electronic band structure and bandgap can be controlled. VG exhibits superior performance in electrolyte and electron transport, making it a promising material for future energy storage devices. This review summarizes the importance of VG structure, growth methods, and strategies to enhance energy storage performance.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Qinke Wu, Taehwan Jeong, Seong Heon Kim, Young Jae Song
Summary: This study presents a quick and simple method to grow high quality two-dimensional graphitic carbon nitride nanosheets with a large domain size on copper foils. The research demonstrates that graphitic carbon nitride prefers a Cu(111) surface for growth and highlights the importance of using a carrier gas, with noble Ar gas recommended for its weaker etching effect compared to hydrogen gas. Furthermore, high-quality graphitic carbon nitride films grown by CVD can be easily transferred onto other substrates for various applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Engineering, Mechanical
Yang Xu, Jingxian Qin, Jiabin Shen, Shaoyun Guo, Khalid Lamnawar
Summary: In this study, the scratch behavior of multi-layered PMMA/PC materials was investigated through experiments and finite element modeling, revealing interfacial delamination during scratching and dividing the delamination process into three stages dominated by shearing mode crack propagation. Increasing the number of layers resulted in significant enhancement of ductility and toughness in the material.
Article
Chemistry, Physical
Naoto Kumagai, Hirotomo Itagaki, Jaeho Kim, Shingo Hirose, Hajime Sakakita, Xue-lun Wang
Summary: In this study, the application of plasma-induced MOCVD for epitaxial growth of III-V nitride semiconductors was examined. The GaN surface exposed to NH3 plasma was characterized using physical and chemical techniques. The comprehensive characterizations revealed that plasma exposure for several minutes did not cause significant damage to the GaN surface, and optical techniques showed higher sensitivity in detecting the effect of plasma exposure.
APPLIED SURFACE SCIENCE
(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)