Results 21 to 30 of about 4,958 (198)

INTERACTIONS IN QUASICRYSTALS [PDF]

open access: yesInternational Journal of Modern Physics B, 2000
Although the effects of interactions in solid state systems still remains a widely open subject, some limiting cases such as the three dimensional Fermi liquid or the one-dimensional Luttinger liquid are by now well understood when one is dealing with interacting electrons in periodic crystalline structures.
Vidal, Julien   +2 more
openaire   +2 more sources

Crack propagation in perfectly ordered and random tiling quasicrystals [PDF]

open access: yes, 2022
S.453-456Numerical experiments have been performed on the propagation of modeI cracks in both ordered and randomized two-dimensional decagonal mode quasicrystals.
Trebin, H.-R.   +2 more
core   +1 more source

On the Constitutive Modelling of Piezoelectric Quasicrystals

open access: yesCrystals, 2023
Quasicrystals endowed with piezoelectric properties belong nowadays to novel piezoelectric materials. In this work, the basic framework of generalized piezoelectricity theory of quasicrystals is investigated by providing an improvement of the existing ...
Eleni Agiasofitou, Markus Lazar
doaj   +1 more source

Fascinating quasicrystals [PDF]

open access: yesActa Crystallographica Section A Foundations of Crystallography, 2007
It took Dan Shechtman more than two years to get his discovery of an Al–Mn phase with icosahedral diffraction symmetryandsharp Bragg reflections published. A paradigm shift had to take place before this novel ordering state of matter – seemingly contradicting crystallographic laws – could be accepted.
Steurer W, Deloudi S
openaire   +3 more sources

Tetracoordinated quasicrystals [PDF]

open access: yesPhysical Review B, 1991
Current model networks for amorphous Ge contain five-membered rings and pentagonal dodecahedra to explain why in the radial distribution function the third peak of the diamond structure is missing. By presenting an algorithm based on a decoration of the three-dimensional Penrose quasilattice, we prove that this local pentagonal symmetry can be extended
Peters, Jochen, Trebin, Hans-Rainer
openaire   +4 more sources

Topological critical states and anomalous electronic transmittance in one-dimensional quasicrystals

open access: yesPhysical Review Research, 2021
Due to the absence of periodic length scale, electronic states and their topological properties in quasicrystals have been barely understood. Here, we focus on one-dimensional quasicrystals and reveal that their electronic critical states are ...
Junmo Jeon, SungBin Lee
doaj   +1 more source

2D honeycomb transformation into dodecagonal quasicrystals driven by electrostatic forces

open access: yesNature Communications, 2022
Quasicrystals are perfectly ordered crystals lacking translational symmetry. Here the authors unravel the formation mechanism of two-dimensional dodecagonal quasicrystals that arise from systematic modifications of a hexagonal honeycomb structure.
Sebastian Schenk   +6 more
doaj   +1 more source

Formation of a single quasicrystal upon collision of multiple grains

open access: yesNature Communications, 2021
Quasicrystals exhibit long-range order without periodicity. The authors report an approach for quasicrystal fabrication and show through in situ imaging and corresponding simulations the formation of a single decagonal quasicrystal arising from ...
Insung Han   +7 more
doaj   +1 more source

From crystalline to glassy: Crack propagation modes in decagonal quasicrystals [PDF]

open access: yes, 2022
S.323-328The propagation of mode-I cracks in a two-dimensional decagonal model quasicrystals is studied by molecular dynamics simulations. The samples are endowed with an atomically sharp seed crack and a temperature gradient.
Trebin, H.-R.   +2 more
core  

Structural Disorder in Quasicrystals [PDF]

open access: yesArchives of Metallurgy and Materials, 2020
One of the challenges of modern crystallography of complex systems (complex metallic alloys, proteins, aperiodic crystals and quasicrystals) is to properly describe the disorder in these systems and discuss correctly the refinement results in terms of ...
R. Strzałka   +3 more
doaj   +1 more source

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