Results 81 to 90 of about 23,416 (220)

Magnetic dynamics and nonreciprocal excitation in uniform hedgehog order in icosahedral 1/1 approximant crystal

Scientific Reports, 2023
The hedgehog state in the icosahedral quasicrystal (QC) has attracted great interest as the theoretical discovery of topological magnetic texture in aperiodic systems. The revealed magnetic dynamics exhibits nonreciprocal excitation in the vast extent of
Shinji Watanabe
doaj   +1 more source

New group of stable icosahedral quasicrystals: structural properties and formation conditions

, 2003
Structural studies on the icosahedral quasicrystals in Zn-Mg-Sc, Cu-Ga-Mg-Sc, and Zn-Mg-Ti alloys as well as their corresponding 1/1 cubic approximants, have revealed that these quasicrystals belong to a new structural group similar to Cd-based ...
Andrusyak, Audier, Guo, Guo, Guo, Guo, Hiraga, Hiroshi Kaneko, Ishii, Ishimasa, Kaneko, Kaneko, Kaneko, Kashimoto, Larson, Lubensky, Markiv, Palenzona, Shechtman, Tsai, Tsai, Tsutomu Ishimasa, Yasushi Kaneko   +22 more
core   +1 more source

Application of Group‐Theoretical Approaches in Structural Natural Frequency Analyses

International Journal for Numerical Methods in Engineering, Volume 127, Issue 7, 15 April 2026.
ABSTRACT Group theory has profoundly advanced physics and chemistry in systems with symmetries. Yet its use in structural engineering applications has not yet been fully explored beyond the aesthetics of symmetric designs. This work addresses two significant gaps that have limited the broader adoption of group‐theoretic methods in structural vibration ...
Shiyao Sun, Kapil Khandelwal
wiley   +1 more source

Modular Design of Interfaces in Nanostructures from Quasicrystalline Blocks

Известия высших учебных заведений России: Радиоэлектроника
Introduction. Aperiodic order offers the possibility of creating new materials and structures with nonstandard properties. Active research is currently underway to obtain materials from non-atom building blocks, materials and elements based on aperiodic ...
A. E. Madison, P. A. Madison, V. A. Moshnikov, A. V. Solomonov   +3 more
doaj   +1 more source

A New Approach to Analyse $H\otimes (2h\oplus g)$ Jahn-Teller System for $C_{60}$

, 2000
It is now well known that electron (hole)-vibron coupling and hence Jahn-Teller (JT) effect is important understanding the properties of $C_{60}$ and related molecules.
Koc, Ramazan, Koca, Mehmet, Tutunculer, Hayriye   +2 more
core   +1 more source

Na4Ba9MnN3: A New Subnitridometalate with Trigonal Planar Anions [MnIIIN3]6−

Zeitschrift für anorganische und allgemeine Chemie, Volume 652, Issue 4, 17 March 2026.
The new subvalent nitridomanganate(III) Na4Ba9MnN3 contains structural elements known from ionic subnitridometalates as well as from intermetallic phases. In similarity to Ba3MnN3, isolated trigonal planar nitridomanganate(III) anions (MnN3)6−, coordinated by barium atoms represent the ionic region, while mixed barium‐sodium icosahedra known from ...
Lea‐Viktoria Pietsch, Constantin Hoch
wiley   +1 more source

A minimal representation of the self-assembly of virus capsids

, 2013
Viruses are biological nanosystems with a capsid of protein-made capsomer units that encloses and protects the genetic material responsible for their replication.
Breton, J., Hernandez-Rojas, J., Llorente, J. M. Gomez   +2 more
core   +1 more source

Multifunctional Fluidic Units for Emergent, Responsive Robotic Behaviors

Advanced Materials, Volume 38, Issue 16, 17 March 2026.
A multifunctional reconfigurable fluidic unit can be used as sensor, valve and actuator is presented. A unique configuration combines the features of the three components as a Responsive self‐oscillating actuator. The remarkable versatility of the fluidic unit is demonstrated by building different robots with the same fluidic units only by varying ...
Mostafa Mousa, Alberto Comoretto, Johannes T.B. Overvelde, Antonio E. Forte   +3 more
wiley   +1 more source

Al62Cu25Fe12 and Quasicrystalline Phases and Their Influence on Oxidation

Orbital: The Electronic Journal of Chemistry, 2017
In this article, we will cover a study of the formation of icosahedral and decagonal phases two quasicrystals Al62Cu25Fe12 and Al65Ni15Co20 oxidation of influence in this alloy. For this purpose, research used the diffraction of X-ray, scanning electron
Lourdes Cristina Lucena A. Jamshidi, Reza Jamshidi Rodbari, Luciano Nascimento, Eduardo Padrón Hernandéz   +3 more
doaj   +3 more sources

Ammann Tilings in Symplectic Geometry

Symmetry, Integrability and Geometry: Methods and Applications, 2013
In this article we study Ammann tilings from the perspective of symplectic geometry. Ammann tilings are nonperiodic tilings that are related to quasicrystals with icosahedral symmetry.
Fiammetta Battaglia, Elisa Prato
doaj   +1 more source