Article
Materials Science, Ceramics
Zhale Gholampour Shamami, Mir Saeed Seyed Dorraji, Seyyedeh Fatemeh Hosseini, Mohammad Hossein Rasoulifard, Ismael Hajimiri, Alireza Amani-Ghadim
Summary: This study focused on synthesizing a high-efficiency microwave absorber by incorporating graphene oxide-polyaniline, barium-strontium titanate, and soft-hard ferrite within the polyester matrix. Characterization of the nanocomposites was carried out using XRD, FT-IR, SEM, and VNA techniques, showing promising absorption properties in the X-band region.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Shalom Ann Mathews, D. Rajan Babu
Summary: (1-x)SrFe10Al2O19/(x)Co0.6Zn0.4Fe2O4-(SFAO/CZFO) hard/soft nanocomposite ferrite materials were synthesized by a "one-pot" self-propagating combustion route. The exchange coupling behavior between the hard and soft magnetic grains significantly influenced the microwave absorption capacity of the samples.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Gang Fang, Chuyang Liu, Yun Yang, Kangsen Peng, Guoyue Xu, Yujing Zhang
Summary: By synthesizing hard/soft magnetic composites Ba(Zr-Ni)(0.6)Fe10.8O19/Fe3O4, this study successfully achieved a broad microwave absorption bandwidth. Increasing the heat treatment temperature led to more Fe3O4 particles attaching to Ba(Zr-Ni)(0.6)Fe10.8O19 particles, enhancing the exchange coupling effect and ultimately widening the magnetic loss range, resulting in a superior performance compared to most state-of-the-art microwave absorbers.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
H. Jalili, B. Aslibeiki, A. Hajalilou, O. Musalu, L. P. Ferreira, M. M. Cruz
Summary: Recent studies have demonstrated the importance of the chemical composition and shape of magnetic nanoparticles in determining their properties. In this study, we synthesized cube-like nanoparticles and bimagnetic nanocomposites using an eco-friendly co-precipitation method. The nanocomposites exhibited good exchange-coupling interaction between the hard and soft magnetic phases, resulting in enhanced saturation magnetization. These materials showed promise for use in magnetic hyperthermia.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Shuang Zhang, Chunxiang Cao, Shubing Su, Ailin Xia, Huiyan Zhang, Hailing Li, Zhiyuan Liu, Chuangui Jin
Summary: Anisotropic exchange coupling interaction was observed in sintered oblate cylindrical SrFe12O19 specimens synthesized via a hydrothermal method. The exchange coupling interaction occurred between hard-hard magnetic grains in both as-pressed and sintered samples. However, this interaction was only found in the in-plane direction and not in the out-of-plane direction for the sintered specimens. The anisotropy was attributed to the vertically arranged plate-like SrM grains with micrometer width and nanometer thickness, as confirmed by cross-sectional morphologies of fractured specimens.
JOURNAL OF ADVANCED CERAMICS
(2023)
Article
Physics, Applied
Michele Petrecca, Beatrice Muzzi, Stefano Maria Oliveri, Martin Albino, Nader Yaacoub, Davide Peddis, Cesar de Julian Fernandez, Claudia Innocenti, Claudio Sangregorio
Summary: The article discusses the exploitation of exchange coupling between hard and soft magnetic materials to enhance the magnetic performance of rare-earth free permanent magnets. It reports the synthesis of nanometric SFO and zinc-doped ferrite composites through scalable and eco-friendly approaches. Despite promising results in forming exchange coupled composite at 1100 degrees C, there was no improvement in energy product, indicating a need for further experimental efforts.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2021)
Article
Energy & Fuels
Munirah Abdullah Almessiere, Yassine Abdelhamid Slimani, Mohammed Hassan, Mohammed Ashraf Gondal, Emre Cevik, Abdulhadi Baykal
Summary: The synthesized CFO-xNFSO nanocrystals exhibit good potential in energy storage applications, showing enhanced capacitance and relatively high energy density in supercapacitor electrodes. The cubic spinel ferrite phase of the NCs is verified by XRD, SEM, and HR-TEM techniques. The magnetic properties of the NCs with different x ratios suggest a good exchange-coupling in the CFO-xNFSO magnetic nanocrystals.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Applied
Maryam Lotfi, Hossein Yari, Morteza Ganjaee Sari, Alireza Azizi
Summary: This study aimed to enhance the mechanical attributes, especially toughness, of epoxy systems using surface-treated graphene oxide nanosheets. Through a series of modifications with APTES and HBP, it was found that 1 wt% graphene oxide treated with both showed the highest enhancement in toughness and hardness. Structural studies revealed that the simultaneous reinforcement of physical and chemical aspects contributed to the improved properties of the epoxy network.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Materials Science, Ceramics
A. Alipour, Sh Torkian, A. Ghasemi, M. Tavoosi, G. R. Gordani
Summary: This study prepared and investigated an exchange spring magnet with a new composition, demonstrating efficient exchange coupling behavior in SrFe12O19/Co nanocomposites with different hard/soft magnetic phase ratios. The non-aqueous polyol method was used for size control and impurity avoidance, confirmed by X-ray diffraction and SEM analysis. Vibrating sample magnetometer analysis revealed that the nanocomposite with 15% mass ratio of soft phase exhibited the highest exchange coupling interactions.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
S. Vivek, A. S. Kumar, C. S. Chitra Lekha, N. Kalarikkal, A. Banerjee, S. S. Nair
Summary: The study explores the exchange bias effects in inverted core-shell nanoparticles, showing diverse physical phenomena such as spin-glass characteristics and training effect. The crystallinity of the CFO shell influences the behavior of the core-shell nanoparticles.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Nanoscience & Nanotechnology
Muhirah A. Almessiere, Yassine Slimani, Norah A. Algarou, Maksim G. Vakhitov, Denis S. Klygach, Abdulhadi Baykal, Tatyana I. Zubar, Sergei V. Trukhanov, Alex V. Trukhanov, Hussein Attia, Murat Sertkol, Ismail A. Auwal
Summary: This study investigates the synthesis and magnetic properties of Sr0.5Ba0.5ScxFe12-xO19/NiFe2O4 hard-soft nanocomposites, revealing that samples with Sc3+ doping exhibit complete exchange coupling behavior, while the saturation and remanent magnetizations decrease with increasing Sc content. Strong electromagnetic absorption was observed in all samples, with potential applications in high-frequency devices and radar-absorbing technology.
ADVANCED ELECTRONIC MATERIALS
(2022)
Article
Materials Science, Ceramics
M. Sertkol
Summary: In this study, Mn0.5Zn0.5CdxFe2-xO4 (0.0 <= x <= 0.5) nanoparticles were successfully synthesized by sol-gel combustion approach, and the effects of cadmium on their structural, morphological, and magnetic properties were investigated. It was found that the magnetization value of the nanoparticles increased with lower Cd2+ doping content and then decreased gradually.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Yucheng Chen, Lichun Cheng, Tianrui Xia, Man Wang, Huaiying Zhou, Qingrong Yao, Yuhang Zhai
Summary: BixBa1-xFe12O19 (Bi-BFO) absorbing materials were prepared using the sol-gel method, with Bi doping enhancing dielectric properties, electrical conductivity, and wave absorption performance. The introduction of Bi also led to changes in microstructure, resulting in improved interface polarization and defect polarization. This material showed a wide effective absorption bandwidth and simplified preparation method compared to other materials.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Yassine Slimani, Munirah A. Almessiere, Abdulhadi Baykal, Mohammed A. Gondal, Nedaa Tashkandi
Summary: Hard/soft CoFe2O4/Ni0.8Cu0.1Zn0.1Fe2O4 nanocomposites were prepared using the ultrasonic irradiation method, and the particle size decreased with increasing ultrasonication duration. The nanocomposites showed superparamagnetic behavior at room temperature and ferrimagnetic behavior at low temperatures. Intergranular exchange coupling interactions dominated over intergranular dipolar interactions.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Pierfrancesco Maltoni, Tapati Sarkar, Gianni Barucca, Gaspare Varvaro, Federico Locardi, Davide Peddis, Roland Mathieu
Summary: Magnetic nanocomposites based on ferrite were synthesized using a sol-gel approach, showing potential for exchange-coupled bimagnetic behavior. By studying the distribution of hard/soft particles, interface optimization, and magnetic response through XRPD, TEM, and magnetic measurements, the study established the potential of hard/soft SFO/CFO nanostructures in current permanent magnet technology.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Article
Materials Science, Multidisciplinary
Madeeha Riaz, Manahil Najam, Hina Imtiaz, Farooq Bashir, Tousif Hussain
Summary: This study focuses on the structural and biological analysis of Zn-Cu based biodegradable alloys for orthopedic applications. The results indicate that the alloys have good electrical conductivity and biocompatibility, with potential for promoting bone growth and healing process. Additionally, the alloys exhibit a low corrosion rate and improved corrosion resistance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Rijo Rajeev, Sk Safikul Islam, Anitha Varghese, Gurumurthy Hegde, Suryasarathi Bose
Summary: In this study, a facile and selective electrochemical sensor was developed for the sensing of guanosine. The sensor utilized a unique porous structure and ordered framework, enabling linear detection of guanosine concentration in the range of 0.123-720 μM under specific conditions.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Rafael V. M. Freire, Dominique Celeste de A. Dias, Jose Yago Rodrigues Silva, Dayane Kelly Dias do Nascimento Santos, Larissa T. Jesus, Ricardo O. Freire, Severino A. Junior
Summary: This study reports the extraction and isolation of euphol from nature, its adsorption in nanosized ZIF-8, and the efficacy of this system against cancer cells. Experimental and simulation results show that ZIF-8 can enhance the effectiveness of euphol against cancer cells and selectively target cancer cells.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Manal A. Awad, Awatif A. Hendi, Maha M. Almoneef, Maymunah Alwehaibi, Khalid M. Ortashi, Wadha Alenazi, Fatimah S. Alfaifi, Shareefa Alahmariye, Asma Alangery, Warda Ali Alghoubiri, Haia Aldosari
Summary: In this study, magnesium-doped zinc oxide nanoparticles were synthesized and characterized. The research findings show that magnesium doping can alter the crystal structure and optical properties of zinc oxide, while enhancing its dielectric constant.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
F. J. Willars-Rodriguez, I. R. Chaverz-Urbiola, M. A. Hernandez-Landaverde, A. Zavala-Franco, E. A. Chavez-Urbiola, P. Vorobiev, Yu V. Vorobiev
Summary: This study focuses on manganese doped CdS thin films synthesized by chemical bath deposition. The incorporation of Mn2+ cations in CdS was found to influence the crystalline structure, morphology, and optoelectronic properties. Doped thin films exhibited a uniform hexagonal structure, changed growth orientation, and showed scale-like and needle-like morphologies. The bandgap and rectification speed of Schottky diodes were modified by introducing manganese. This study suggests the potential for affordable high-speed optoelectronic devices.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Mehdi Javidi, Hooman Karimi Abadeh, Fatemeh Namazi, Hamid Reza Yazdanpanah, Narjes Shirvani Shiri
Summary: This study investigated the synergistic effect of temperature, solution velocity, and sulphuric acid concentration on the corrosion behavior of carbon steel using response surface methodology. The results showed that temperature affected anodic reactions, solution velocity influenced cathodic reactions, and acid concentration altered the corrosion mechanisms by changing the properties of the surface layer.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
R. Sakthivel, Thirumoorthy Kulandaivel, Kirankumar Venkatesan Savunthari, K. Mohanraj, Hans-Uwe Dahms, Aswin kumar Anbalagan, Manjunath Rangasamy, Kien-Voon Kong
Summary: In this study, saturated fatty acids were incorporated with silane to modify viscose fabric, resulting in superhydrophobic and superoleophilic properties. The modified fabric showed excellent separation efficiency for oil and organic solvents, with high absorption capacity. The modified fabric also exhibited durability and retained its properties in harsh conditions.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Wei Zhang, Hong Lei, Wenqing Liu, Zefang Zhang, Yi Chen, Xiaogang Hu, Xiangshan Ye
Summary: In this study, EDTA-grafted alumina composite abrasives were produced by a two-step process for the CMP of sapphire substrates. Experimental results showed that the modified abrasives exhibited better dispersion properties and significantly improved polishing efficiency, with higher material removal rates and lower surface roughness. The combination of chemical reaction and mechanical action enhanced the CMP performance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Shumaila Rafaqat, Bushra Perveen, Warda Raqba, Warda Imran, Arshad Hussain, Naeem Ali
Summary: This study developed a MnP-based biosensor for quantitative measurement of dye concentrations using electrochemical signals. The effects of two different dyes on MnP activity were investigated, with one dye showing inhibitory effects and the other dye having no effect. The study demonstrates the potential application of enzyme-based biosensors in dye detection and toxicological monitoring.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Jinyan Shi, Oguzhan Yavuz Bayraktar, Baris Bayrak, Burak Bodur, Ali Oz, Gokhan Kaplan, Abdulkadir Cuneyt Aydin
Summary: The elemental composition of precursors is crucial for the performance development of geopolymers. The use of lime instead of metakaolin increases the fluidity and mechanical properties of geopolymers, while the addition of gypsum decreases them. Furthermore, higher lime content exacerbates the negative effect of gypsum.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Aayush Gupta, Kaveri Ajravat, Loveleen K. Brar, O. P. Pandey, Pandey Rajagopalan
Summary: This study focuses on the performance of Mn3O4-ZnO composite material in wastewater treatment and energy storage applications, and presents a detailed comparative analysis. Results show that the composite material with equal concentrations of Mn3O4 and ZnO exhibits excellent photocatalytic activity and high capacitance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
V. Murugabalaji, Matruprasad Rout, Harsh Soni, Biranchi Narayan Sahoo
Summary: This study focuses on the corrosion characteristics of AA 7075 and AA 7075 based hybrid composite fabricated using stir casting and hot rolling techniques. The results show that the hybrid composite produced by hot cross rolling exhibits better corrosion resistance compared to the base metal. The addition of a small amount of graphite improves the bonding between the matrix and reinforcements, and the hot cross rolling enhances this bonding, leading to the formation of a strong passivation oxide layer and increased charge transfer resistance, thereby improving corrosion resistance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Fangkun Ning, Qinghao Shi, Shuping Kong, Weitao Jia, Lifeng Ma
Summary: The paper investigates a new method of rolling sheets with variable chamfering amounts in both the transversal and normal directions. The feasibility of the technological process was tested through simulation and compared with experimental results. Three important process parameters, temperature, stress, and flow velocity, were used to evaluate the effects on chamfering amount before determining the optimal angle. The spread formula for evaluating the shape quality of the plate after ECR was obtained through testing and theory.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Aqeel Abbas, M. A. Hussein, Mohamed Javid
Summary: In this study, the AM60 magnesium alloy was processed using high-energy ball milling, and the results showed that different reinforcement agents had certain effects on particle size, crystallite size, lattice strain, and dislocation density.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
D. S. Mahmoud, E. M. Eldesouki, W. M. Abd El-Gawad
Summary: The development of flexible and lightweight microwave-absorbing materials has become a trendy topic. This study focuses on enhancing the microwave-absorbing performance of butadiene-acrylonitrile rubber (NBR) by incorporating novel reinforcing nanofillers. The results show that the NBR nanocomposite with a loading of 16 parts per hundred rubber (phr) of LiFe 20%/Si has the best microwave-absorbing performance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)