A team of researchers has experimentally demonstrated a quantum tornado for the first time by refining an established method. In the quantum semimetal tantalum arsenide (TaAs), electrons in momentum space behave like a swirling vortex. This quantum phenomenon was first predicted eight years ago. Scientists have long known that electrons can form vortices in quantum […]
A team of researchers has developed a reproducible and scalable method for producing graphene oxide (GO) nanosheets from commercial carbon fibres, marking a breakthrough in sustainable nanomaterial synthesis. The process involves exfoliating carbon fibres with nitric acid, which provides high yields of one-atom-thick sheets of graphene oxide with characteristics comparable to commercial GO sourced from […]
Superconductivity, the phenomenon where electrical current flows without resistance, has long captivated scientists and engineers. This unique state of matter holds promise for revolutionizing technologies, from power grids to magnetic levitation. A recent study delves into the intriguing world of graphene-based superconductors, shedding light on how twisting multiple layers of graphene can influence their superconducting […]
Hydrogels are fascinating materials that can absorb and retain large amounts of water, making them useful in various fields such as medicine, environmental science, and engineering. A recent study has explored a new type of hydrogels made from cellulose nanofibres (CNFs) and lignocellulose nanofibres (LCNFs), aiming to enhance their strength and water-absorbing capabilities. Cellulose and […]
Cement is a fundamental material in modern construction, used in everything from buildings to bridges. One of its key components, tricalcium aluminate (C₃A), plays a crucial role in determining cement’s setting time and durability. A recent study has provided new insights into how C₃A behaves under heat, combining computer simulations with experimental data to deepen […]
The future of medicine may very well lie in the personalization of health care—knowing exactly what an individual needs and then delivering just the right mix of nutrients, metabolites, and medications, if necessary, to stabilize and improve their condition. To make this possible, physicians first need a way to continuously measure and monitor certain biomarkers […]
In a recent study, a team of researchers explores the intriguing electronic behaviours that emerge when two distinct forms of carbon-based materials—nanoporous graphene (NPG) and graphene—are layered together with a twist between them. Graphene is a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice, renowned for its exceptional electrical conductivity, mechanical strength […]
Two-dimensional (2D) materials have become a centrepiece of modern materials science, captivating researchers with their electronic, mechanical, and optical properties. Since Geim and Novoselov discovered the exfoliation technique in 2004, thousands of 2D materials have been discovered, synthesised, or predicted. In particular, anisotropic 2D materials display direction-dependent characteristics, promising cutting-edge applications in flexible electronics and […]
In the world of nanophotonics, the ability to control light with precision at the nanoscale is a game-changing goal. Recent advancements in materials science have opened up new pathways for achieving this, particularly through the use of van der Waals (vdW) crystals. These ultra-thin materials, composed of layers of atoms held together by weak van […]
A method that can grow a useful insulating material into exceptionally high-quality films that are just one atom thick and are suitable for industrial-scale production has been developed. The material, called hexagonal boron nitride (hBN), is used in semiconductor devices and can also enhance the performance of other two-dimensional (2D) materials such as graphene and […]