Results 61 to 70 of about 4,958 (198)

Electronic instabilities in Penrose quasicrystals: Competition, coexistence, and collaboration of order

open access: yesPhysical Review Research, 2021
Quasicrystals lack translational symmetry, but can still exhibit long-range order, promoting them to candidates for unconventional physics beyond the paradigm of crystals.
J. B. Profe   +3 more
doaj   +1 more source

Light wave propagation and diffraction inhibition in three-dimensional photonic quasicrystal lattices

open access: yesResults in Physics, 2023
We have investigated the linear propagation of light wave in three-dimensional photonic quasicrystal lattices by numerical simulation. The diffraction characteristics of the light waves in the longitudinal non-modulated, in-phase modulated and out-of ...
Meng Song   +3 more
doaj   +1 more source

Beyond Single‐Active Sites: The Emergence of High‐Entropy Perovskites in Energy and Environment Catalysis

open access: yesChemSusChem, Volume 19, Issue 13, 14 July 2026.
This review examines high‐entropy perovskites (HEPs) as a promising catalyst platform for energy and environmental applications. The focus is on configurational entropy engineering, design and synthesis, and computational understanding. These materials possess tunable active sites, enhanced stability, and improved electronic interactions, leading to ...
K. Aravinthkumar   +3 more
wiley   +1 more source

Shapes of quasicrystals [PDF]

open access: yes, 1997
In the present article, we review the present status of our understanding of the shapes of quasicrystals. Although theoretical efforts exist to determine the equilibrium shape of quasicrystals, very little experimental information exists.
N RAVISHANKAR   +5 more
core   +3 more sources

Line Defects in One-Dimensional Hexagonal Quasicrystals

open access: yesMathematics
Using the eight-dimensional framework of the integral formalism of one-dimensional quasicrystals, the analytical expressions for the displacement fields and stress functions of line defects, which are dislocations and line forces, in one-dimensional ...
Markus Lazar
doaj   +1 more source

Three-Dimensional Generalized Dynamics of Soft-Matter Quasicrystals

open access: yesAdvances in Materials Science and Engineering, 2020
The three-dimensional generalized dynamics of soft-matter quasicrystals was investigated, in which the governing equations of the dynamics are derived for observed 12-fold symmetry quasicrystals and possibly observed 8- and 10-fold symmetry ones in soft ...
Tian-You Fan, Zhi-Yi Tang
doaj   +1 more source

Topological Materials and Related Applications

open access: yesAdvanced Electronic Materials, Volume 12, Issue 13, 6 July 2026.
This review covers topological materials—including topological insulators, quantum valley Hall and quantum spin Hall insulators, and topological Weyl and Dirac semimetals—as well as their most recent advancements in fields such as spintronics, electronics, photonics, thermoelectrics, and catalysis.
Carlo Grazianetti   +9 more
wiley   +1 more source

Gapless superconductivity and its real-space topology in quasicrystals

open access: yesPhysical Review Research
We study superconductivity in Ammann-Beenker quasicrystals under magnetic field. By assuming an intrinsic s-wave pairing interaction and solving for mean-field equations self-consistently, we find gapless superconductivity in the quasicrystals at and ...
Kazuma Saito   +4 more
doaj   +1 more source

Renormalization techniques for inflation systems and some of their applications

open access: yesActa Crystallographica Section A, Volume 82, Issue 4, Page 294-304, July 2026.
In this work, renormalization methods for quantities related to the diffraction of inflation systems are surveyed.Exact renormalization techniques are important and powerful, particularly for inflation‐generated systems. We review recent results in this direction.
Michael Baake   +4 more
wiley   +1 more source

Quasi-Projection: aperiodic concrete formwork for perceived surface complexity [PDF]

open access: yes, 2008
By disclosing long range order from few dissimilar tiles, aperiodic tilings can potentially diversify and spatially enrich the repetitive aspects of modular systems still pertinent in the production of architecture today. Such effective tilings have been
Ottevaere, O.
core  

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