materials science

A groundbreaking new study introduces a twisted multilayer crystal structure with potential implications for future materials in technology, leveraging a novel “twisted epitaxy” method that could revolutionize semiconductor applications and quantum electronics.Scientists have discovered that crystals can twist when they are sandwiched between two substrates – a critical step toward exploring new material properties for electronics and other applications.Researchers from the Department of Energy’s SLAC National Accelerator…

Illustration of the crystal structure of the yttrium alloy, with the red line at left representing the laser pulse in and the blue and green lines at right representing the two types of magnons created. Credit: Illustration courtesy of University of Texas at Austin & MIT researchersA recent study has advanced the understanding of magnonics by showing how magnons can interact nonlinearly, marking a critical step towards faster and more stable computing technologies.If computers used ripples in magnetic fields, called…

By Harvard John A. Paulson School of Engineering and Applied Sciences February 21, 2024SEAS researchers have developed a multiscale approach that allows particle-reinforced rubber to bear high loads and resist crack growth over repeated use. Above, cracks grow in the left sample while the cracks in the right sample, made from the multiscale material, remain intact after 350,000 cycles. Credit: Suo Group/Harvard SEASUsing a multi-scale approach enhances the fatigue threshold of particle-reinforced rubber.Scientists at the…

Scientific visualization of the AI-guided assembly of a novel metal-organic framework with high carbon dioxide adsorption capacity and synthesizable linkers. Building blocks, predicted by generative AI, are shown on the left, while the final AI-predicted structure is shown on the right. Credit: Xiaoli Yan/University of Illinois Chicago and the ALCF Visualization & Data Analytics TeamMetal-organic framework (MOF) materials can be used in many different applications, from catalysts to energy converters.Generative AI…

Researchers are pioneering the development of metamaterials, whose properties are not dictated by molecular composition but by their structural geometry. This innovation is made possible through digital design and 3D printing, enabling the creation of materials with unprecedented characteristics, such as solid structures that act like fluids. Credit: SciTechDaily.comThe advancement in metamaterials technology, facilitated by AI, enables the creation of materials with novel properties and enhanced durability, promising…

A new experimental method developed by researchers enables the identification of topological properties in materials without relying on mathematical models, simplifying research and expanding the potential applications of topology in various fields. Credit: SciTechDaily.comInnovative research introduces a practical, model-free method for exploring topological properties in materials, enhancing the scope and efficiency of topological studies.The branch of mathematics known as topology has become a cornerstone of modern…

By Columbia University School of Engineering and Applied Science February 10, 2024New research demonstrates how laser light can amplify the nonlinear optical properties of hexagonal boron nitride (hBN). The research successfully generated new optical frequencies and significantly increased third-harmonic generation, marking a significant advancement in the field of nonlinear optics and quantum material research.A recent study published in Nature Communications reveals that engineers from Columbia University, in…

Researchers from Kyushu University and Nitto Denko have developed tape that changes its ‘stickiness’ to 2D materials due to UV light. Credit: Ago Lab, Kyushu UniversityResearchers create UV-sensitive tape that can transfer 2D materials like graphene in an easier, cheaper, and less damaging way.Materials just atoms in thickness, known as two-dimensional (2D) materials, are set to revolutionize future technology, including in the electronics industry. However, the commercialization of devices that contain 2D materials has…

Recent research on TATB-based polymer-bonded explosives (PBXs) has focused on understanding and controlling their irreversible thermal expansion, which affects shape stability and safety. Innovations in structural design and the application of negative thermal expansion materials are seen as promising approaches to mitigate these issues. Credit: Cong-mei Lin, et alPolymer-bonded explosives (PBXs) with 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) undergo irreversible thermal expansion under varying temperatures, resulting…

Scientists are advancing the use of hafnium oxide (hafnia) for the next generation of non-volatile computing memory, offering significant advantages over existing technologies. Credit: SciTechDaily.comScientists outline new processes for leveraging hafnia’s ferroelectric features with the aim of enhancing high-performance computing.Scientists and engineers have been pushing for the past decade to leverage an elusive ferroelectric material called hafnium oxide, or hafnia, to usher in the next generation of computing…