Articles tagged with Amorphous Solids
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A research team has discovered the structural origins of mechanical softness in amorphous materials like glass, attributing it to hierarchical ring structures that coexist with medium-range order and local disorder. This finding will accelerate the design of flexible and strong amorphous solids.
Researchers investigated low-density amorphous ice and found it was not fully disordered but contained tiny crystals. This discovery challenges the assumption that space ice is similar to liquid water and has implications for theories like Panspermia.
Researchers identified a direct correlation between the emergence of boson peak (BP) and first sharp diffraction peak (FSDP) using heterogeneous elasticity theory. This suggests that FSDP is a determining factor in the vibrational behavior of glasses within the THz band.
TIFRH researchers found that imparting additional motility to poorly annealed glass components can induce further annealing, transforming a ductile material into a brittle one. This discovery provides insights into how cells might regulate glassiness and aids in designing new metamaterials.
Researchers discover that disordered solids lose stability at low-frequency vibrations near zero, leading to a 'loose state' where particles slide in clusters. The theory applies to materials with negligible thermal fluctuations, including those found in space.
A study published in Nature Materials reveals that cooperative particle rearrangements influence structural order and dynamic behavior in glass-forming liquids. The researchers identified a key process called T1, which maintains local order and leads to super-Arrhenius behavior.
A new study uses a solid dispersion technique to improve the dissolution rate and bioavailability of nitrofurantoin, a BCS II drug with low solubility. The researchers found that the optimized formulation showed a 3.88-fold improvement in bioavailability compared to the marketed formulation.
Researchers from Tokyo Metropolitan University created a new model to study the transmission of forces through amorphous solids like concrete and cement. They found that areas between hard regions 'harden' to produce elongated force chains, leading to softer materials with more uniform stiffness.
Researchers used data science techniques to analyze the atomic structure of amorphous germanium materials, revealing that smaller atomic rings are associated with lower thermal conductivity and larger rings with higher conductivity. This discovery could lead to the development of new metastable phase-integrated thermal control materials.
Researchers have found that increasing pressure suppresses a regular atomic arrangement called Peierls-like distortion, which is crucial for phase-change materials. This discovery may lead to the development of new materials for advanced phase-change memory and other applications.
Researchers at Hokkaido University and Kyushu University have developed a technique to synthesize potential molecular switches from anthraquinodimethanes (AQDs), a group of overcrowded organic molecules. The synthesized derivatives can stably form twisted and folded isomers, as well as other isomeric forms, in different solvents.
High-entropy metal telluride superconductors exhibit unique properties due to structural disorder and atomic vibrations. The discovery sheds light on the coupling between electrons and lattice vibrations, potentially leading to exotic superconductivity mechanisms.
Researchers at UCL discovered a new type of ice, medium-density amorphous ice (MDA), which has the same density as liquid water and exhibits properties similar to solid water. This finding may challenge existing models of water and raise questions about its anomalies.
A team of researchers at Cambridge and UCL created a novel amorphous form of ice called medium-density amorphous ice (MDA), which resembles liquid water in its solid state. MDA has a density similar to that of liquid water and displays unique properties not found in other forms of ice.
Researchers from the University of Tokyo simulated fracture in amorphous solids to better understand material fatigue. They found that the critical strain for irreversible deformation is the same for both fatigue and monotonic fractures.
Scientists create a bendable organic LED with a mica backing that produces soft, warm light similar to candlelight, with minimal blue wavelength emissions. This device offers a potential solution for sleep-friendly lighting alternatives.
A UCLA-led research team directly observes how atoms are packed in samples of amorphous materials using 3D imaging. They found that the most commonly seen arrangement is groups of seven, with five in one central layer, leading to a network structure with shared edges.
Researchers used atomic electron tomography to map the structure of metallic glass, a class of matter that has long posed a challenge to scientists. The study revealed pockets where atoms coalesced into ordered superclusters, showing that even within an amorphous solid, the arrangement of atoms is not completely random.
The University of Tokyo researchers employed a new computer model to simulate amorphous solids and their strength. They found that the internal network of force-bearing particles is responsible for giving glass its rigidity.
A team of researchers at the University of Tokyo developed a new method for understanding amorphous solids using computer simulations. They focused on local mechanical properties and introduced a new order parameter called vibrability, which controls atomic vibrations in soft discs or spheres. This discovery may help design more effici...
Researchers found that amorphous solids can be truly elastic and reversible for small strains, but become marginally stable with infinitesimal deformations, exhibiting both elastic and plastic behavior
Researchers from University of Bristol and Johannes Gutenberg Universität Mainz have found a critical point in the glass transition, enabling reconciliation of mutually incompatible interpretations. The study suggests that the thermodynamic and dynamic interpretations are different reflections of the same underlying phenomenon.
Engineers at North Carolina State University have developed a comprehensive understanding of nanostructural control during nanoparticle formation. They created hollow, solid, and amorphous nanoparticles of nickel phosphide with controlled structures using specific reactant ratios and temperatures.