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Materials science

Materials science

Interdisciplinary field which deals with the discovery and design of new materials; primarily concerned with the physical and chemical properties of solids

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Science X staff
August 25, 2021
phys.org
In the search for sustainable energy storage, researchers at Chalmers University of Technology, Sweden, present a new concept to fabricate high-performance electrode materials for sodium batteries. It is based on a novel type of graphene to store one of the world's most common and cheap metal ions--sodium. The results show that the capacity can match today's lithium-ion batteries.
Science X staff
June 14, 2021
phys.org
In the recent past, there has been a paradigm shift towards renewable sources of energy in order to address the concerns pertaining to environmental degradation and dwindling fossil fuels. A variety of alternative green energy sources such as solar, wind, hydrothermal, tidal, etc., have been gaining attention to reduce global carbon footprints. One of the key challenges with these energy generation technologies is that they are intermittent and are not continuously available.
Joseph E. Harmon
May 27, 2021
phys.org
With brilliant colors and picturesque shapes, many crystals are wonders of nature. Some crystals are also wonders of science, with transformative applications in electronics and optics. Understanding how best to grow such crystals is key to further advances.
Science X staff
May 11, 2021
phys.org
A team of researchers, affiliated with UNIST has recently introduced a new class of magnetic materials for spin caloritronics. Published in the February 2021 issue of Nature Communications, the demonstrated STE applications of a new class of magnets will pave the way for versatile recycling of ubiquitous waste heat. This breakthrough has been led by Professor Jung-Woo Yoo and his research team in the Department of Materials Science and Engineering at UNIST.
David Nutt
May 11, 2021
phys.org
Some imperfections pay big dividends.
Science X staff
May 6, 2021
phys.org
At extremely low temperatures, matter often behaves differently than in normal conditions. At temperatures only a few degrees above absolute zero (-273 degrees Celsius), physical particles may give up their independence and merge for a short time into a single object in which all the particles share the same properties. Such structures are known as Bose-Einstein Condensates, and they represent a special aggregate state of matter.
Science X staff
April 30, 2021
phys.org
Advanced X-ray techniques have revealed new structural details about the specific arrangement of atoms in conjugated polymers, an important class of materials that are used in LEDs, organic solar cells, transistors, sensors and thermoelectric power devices.
Science X staff
April 22, 2021
phys.org
Researchers from the Low Energy Electronic Systems (LEES) Interdisciplinary Research Group (IRG) at Singapore-MIT Alliance for Research and Technology (SMART), MIT's research enterprise in Singapore together with Massachusetts Institute of Technology (MIT) and National University of Singapore (NUS), have discovered a new way to control light emission from materials.
Science X staff
April 21, 2021
phys.org
Bacterial nanocellulose is an emergent biocompatible natural polymer with increasing applicability in the healthcare sector. A potential innovative application can be found in the design of surgical meshes for the treatment of abdominal hernias. Researchers from ICMAB-CSIC and B. Braun Surgical, a leading manufacturer of medical devices for wound closure, have collaborated to develop a bio-based surgical mesh with this biomaterial. First results from an in vivo animal study yield promising outcomes.
Cao, Y., Rodan-Legrain, D., Park, J. M., Yuan, N. F. Q., Watanabe, K., Taniguchi, T., Fernandes, R. M., Fu, L., Jarillo-Herrero, P.
April 16, 2021
Science
Electrons in quantum materials can break rotational symmetry even when the underlying crystal lattice does not. This phenomenon, called nematicity, has been observed in many unconventional superconductors. Cao et al. found that magic-angle twisted bilayer graphene, in which superconductivity was recently discovered, also exhibits nematicity. The breaking of rotational symmetry was observed through transport measurements, which exhibited characteristic anisotropy. Science , this issue p. [264][1] Strongly interacting electrons in solid-state systems often display multiple broken symmetries in the ground state. The interplay between different order parameters can give rise to a rich phase diagram. We report on the identification of intertwined phases with broken rotational symmetry in magic-angle twisted bilayer graphene (TBG). Using transverse resistance measurements, we find a strongly anisotropic phase located in a "wedge" above the underdoped region of the superconducting dome. Upon its crossing with the superconducting dome, a reduction of the critical temperature is observed. Furthermore, the superconducting state exhibits an anisotropic response to a direction-dependent in-plane magnetic field, revealing nematic ordering across the entire superconducting dome. These results indicate that nematic fluctuations might play an important role in the low-temperature phases of magic-angle TBG. [1]: /lookup/doi/10.1126/science.abc2836
Science X staff
April 15, 2021
phys.org
Researchers in South Korea have developed a plasmonic isothermal recombinase polymerase amplification (RPA) array chip. This first plasmoinc isothermal PCR technology can detect eight types of pathogens (four bacteria and four viruses) that cause acute respiratory infectious diseases; the analysis takes only 30 minutes. The research was led by Dr. Sung-Gyu Park and Dr. Ho Sang Jung of the Korea Institute of Materials Science (KIMS, President Jung-Hwan Lee) and by Dr. Min-Young Lee and Dr. Ayoung Woo of Samsung Medical Center.
Science X staff
April 12, 2021
phys.org
Researchers from the Low Energy Electronic Systems (LEES) Interdisciplinary Research Group (IRG) at Singapore-MIT Alliance for Research and Technology (SMART), MIT's research enterprise in Singapore, together with Massachusetts Institute of Technology (MIT) and National University of Singapore (NUS) have found a method to quantify the distribution of compositional fluctuations in the indium gallium nitride (InGaN) quantum wells (QWs) at different indium concentrations.
Science X staff
April 8, 2021
phys.org
QUT researchers have used carbon dots, created from human hair waste sourced from a Brisbane barbershop, to create a kind of "armor" to improve the performance of cutting-edge solar technology.
February 1, 2021
WebWire
The MIT Climate and Sustainability Consortium (MCSC) convenes an alliance of leaders from a broad range of industries and aims to vastly accelerate large-scale, real-world implementation of solutions to address the threat of climate change. The MCSC unites similarly motivated, highly creative and influential companies to work with MIT to build a process, market, and ambitious implementation strategy for environmental innovation. The work of the consortium will involve a true cross-sect...
Science X staff
December 23, 2020
phys.org
Engineers at Caltech have developed a process for generating three-dimensional architected polymers with heat-dependent "shape memory" properties: That is, when heated, the material folds and unfolds itself into a new preordained shape.
Science X staff
December 22, 2020
phys.org
Scientists from Nanyang Technological University, Singapore (NTU Singapore), have developed a new way to cure adhesives using a magnetic field.
Science X staff
November 26, 2020
phys.org
QUT Professor Ken Ostrikov from the School of Chemistry and Physics and QUT Centre for Materials Science said the new material could be used to develop new transistor devices for electronics and photodetectors for such applications as fibre-optic communication systems and environmental sensing.
Alex Gerage
November 18, 2020
phys.org
A research team led by Northwestern University engineers and Argonne National Laboratory researchers have uncovered new findings into the role of ionic interaction within graphene and water. The insights could inform the design of new energy-efficient electrodes for batteries or provide the backbone ionic materials for neuromorphic computing applications.
Science X staff
November 16, 2020
phys.org
Highly crystalline 2-D transition metal dichalcogenide superconductors and their associated (van der Waals) heterostructures provide a rich platform for the investigation of new quantum physics and exotic superconductivity. This is due to their 2-D non-centrosymmetric lattice with a strong spin-orbital interaction.
Science X staff
November 10, 2020
phys.org
A team of scientists led by Nanyang Technological University, Singapore (NTU Singapore) has invented an artificial olfactory system that mimics the mammalian nose to assess the freshness of meat accurately.
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