MetalMat最新文献

A set of [Co(0.2 nm)/Ni(0.4 nm)]₁₀ multilayers (MLs) thin films were fabricated on silicon and glass substrate under various distinct conditions (i) as-prepared films without an under-layer, (ii) films with a copper [Cu(2 nm)] underlayer (UL), (iii) films with an in situ annealed Ta/Cu UL during sputtering, and (iv) films with post-annealing treatment, by using a DC magnetron sputtering machine. The [Co/Ni] MLs thin films prepared under various conditions exhibit in-plane magnetic anisotropic behavior except as-prepared films which show isotropic behavior. The maximum saturation magnetization was observed in the as-prepared films prepared on both silicon and glass substrate. The Ta/Cu UL in situ annealing followed by post-annealing films exhibit highest coercivity, moderate saturation magnetization but lowest squareness in contrast to the films deposited under other conditions. The I-V curves of the films show diode like behavior with breakdown voltage of 42, 58, 14, and 21 V for [Co/Ni] MLs under four different conditions.

The use of green renewable energy to convert carbon dioxide (CO₂) into valuable chemicals and fuels through CO₂ electrolysis technology (also known as electrochemical CO₂ reduction reaction, eCO₂RR) is an advantageous technology, which could greatly aid the global carbon-neutral goal. Although progress has been made in alkaline/neutral media, low carbon conversion efficiency to target products, carbonate/bicarbonate salt precipitation, and blockage of electrode holes caused by CO₂ are not conducive to industrial applications. Acidic media could address these issues; however, in these conditions, there are other challenges that need to be addressed, such as hydrogen evolution, poor tolerance of electrocatalysts, and electrolysers. This review discusses recent advances in industrial-level acidic CO₂ electrolysis, including reaction mechanisms, electrocatalysts, and device design, aiming to promote its commercialization. In addition, a comprehensive evaluation strategy of an acidic eCO₂RR system is proposed, and perspectives are provided based on related discussion.

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Since the dawn of civilization, metals have been integral to the fabric of modern society, shaping our technological landscape, and driving innovation across diverse industries. The intrinsic allure of metals lies in their versatility, strength, and adaptability, qualities that have propelled humanity towards new frontiers of scientific discovery and technological advancement. As we embark on this groundbreaking journey with MetalMat, the premier Wiley open access journal dedicated to metals in science and technology, we celebrate the enduring legacy and transformative potential of these remarkable materials.

At the core of MetalMat's mission lies a fundamental drive to deepen our understanding of the atomic and microstructural intricacies of metals, paving the way for the design of cutting-edge alloys with advanced properties tailored for specific applications. This prestigious publication is poised to explore the pivotal function of materials in advancing society, with a keen focus on addressing pressing global challenges such as climate change, sustainability, and other critical issues that define our present and shape our future.

MetalMat stands as a beacon of excellence, providing a platform for cutting-edge scientific and engineering research on both structural and functional metallic materials. The journal's scope encompasses a wide array of topics, ranging from the design, processing, and characterization of metals, alloys, intermetallics, and metal-matrix composites/compounds to the diverse applications of functional metallic materials in interdisciplinary research domains.

As the first Wiley open access journal dedicated to metal-related topics, MetalMat is poised to revolutionize the field by fostering a vibrant exchange of ideas and discoveries among researchers, scientists, and experts from around the world. With unwavering support from the international research community, MetalMat has assembled a stellar team of experts representing a diverse array of countries, including Australia, China, Belgium, Brazil, Chile, Germany, Japan, Singapore, UK, and the USA. This esteemed editorial board ensures that MetalMat not only pushes the boundaries of materials science but also serves as a guiding light, shaping the future of metallic materials research and fostering global collaboration.

One of the hallmarks of MetalMat is its commitment to an open-access publication model, which ensures that all published articles are freely accessible to a global audience. The journal's dedicated editorial team maintains an efficient review process, with an average turnaround time of approximately 1 month, to ensure the timely dissemination of cutting-edge research in the field. MetalMat welcomes a diverse range of contributions, including original research articles, comprehensive reviews, insightful perspectives, and short communications, all of which contribute to the vibrant tapestry of knowledge in this dynamic field.

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Spintronics is an innovative field that exploits the intrinsic spin property of electrons instead of their charge, holding the promise of revolutionizing conventional electronic devices. Over the past decade, researchers have been actively exploring new materials as potential replacements for traditional spintronic materials. This endeavor is driven by the aspiration to create spintronic devices with ultralow power consumption, ultrahigh storage density, and remarkable stability. In recent years, topological quantum materials (TQMs) have attracted considerable interest due to their unique band structure and exceptional properties. These materials carry the potential to pave the way for breakthroughs in the design of spintronic devices, offering promising solutions to solve challenges currently faced in the field of spintronics. In this review, we first introduce the properties of various TQMs, including band structure and crucial transport properties. Subsequently, we focus on the diverse applications of TQMs in spintronics. Delving further, we discuss the current challenges and the potential directions for advancing and exploring TQMs.

As representative high-energy density primary batteries, Li-SOCl₂ and Li-SO₂ batteries possess superiorities including high working potential, long temperature range, low self-discharge rate and high safety compared with other conventional primary batteries. In spite of the high energy features, these devices have only been applied for single discharge rather than achieved energy cyclic utilization via recharge. Various modifying strategies have been put out concerning the two electrolyte systems to liberate theoretical energy storage capability as much as possible over decades. Nevertheless, reversible chemistry is also urgently required nowadays for these sulfur-based electrolyte primary batteries to achieve transformation and upgrading. In the review, we collect some of the modification works for Li-SOCl₂ and Li-SO₂ primary batteries since their invention and successively introduce some of the opening research studies of secondary batteries, designed technologies of which are demonstrated through aspects through anode interface, cathode materials, and electrolyte composition. Finally, it is aiming to look further into the future development of the reversibility of the unique electrolyte systems.

This review summarizes and critically discusses the current knowledge on the microstructures and tensile properties of metastable β Ti alloys fabricated by selective laser melting and laser metal deposition techniques. The effects of post-heat treatments are also addressed. The spatial variations in the microstructure and properties are linked with the processing parameters. The review also compares the additively manufactured and post heat-treated metastable β Ti alloys with their wrought counterparts. It highlights the research questions for further investigations.

The scanning electron microscope equipped with an energy dispersive spectroscopy (SEM/EDS) is considered as a state-of-the-art characterization tool to determine the morphological features and the chemical composition of non-metallic inclusions in steel. Such a characterization is pivotal to assessing the steel quality, which influences the properties of end products. This paper offers a comprehensive review of the SEM/EDS system, tracing its historical developments and methodological advancements by various research groups which have contributed to non-metallic inclusion analysis. Then the discussions transition to developments that have matured the SEM/EDS platform. The paper highlights selected examples utilizing the SEM/EDS to examine inclusions across various steel grades and at different stages of the metallurgical process. Finally, latest advancements in integrating machine learning techniques to expedite the analysis process were discussed.