Results 41 to 50 of about 12,987 (191)

Formation of ethylene-vinyl acetate composites filled with Al–Cu–Fe and Al–Cu–Cr quasicrystallline particles

open access: yesJournal of Materials Research and Technology, 2019
Icosahedral Al65Cu23Fe12 and decagonal Al73Cu11Cr16 quasicrystalline powders were synthesized by the mechanical alloying and subsequent annealing. Morphology evolution at mechanical alloying of Al-based powders was found to be determined by competition ...
Victor V. Tcherdyntsev   +4 more
doaj   +1 more source

Stability of Colloidal Quasicrystals

open access: yes, 1998
Freezing of charge-stabilized colloidal suspensions and relative stabilities of crystals and quasicrystals are studied using thermodynamic perturbation theory.
A. P. Gast   +29 more
core   +1 more source

Frequency dependence of the spin glass freezing temperatures in icosahedral R - Mg - Zn (R = rare earth) quasicrystals [PDF]

open access: yes, 2012
We present ac susceptibility measurements with the frequency spanning three orders of magnitude on single grain, icosahedral R - Mg - Zn (R = rare earth) quasicrystals.
Bud’ko, Sergey   +2 more
core   +4 more sources

Large-scale database analysis of anomalous thermal conductivity of quasicrystals and its application to thermal diodes

open access: yesScience and Technology of Advanced Materials: Methods
One long-standing and crucial issue in the study of quasicrystals has been to identify the physical properties characteristic of quasicrystals. The large positive temperature coefficient of thermal conductivity at temperatures above room temperature ...
Takashi Kurono   +3 more
doaj   +1 more source

Floquet engineering of topological localization transitions and mobility edges in one-dimensional non-Hermitian quasicrystals

open access: yesPhysical Review Research, 2021
Time-periodic driving fields could endow a system with peculiar topological and transport features. In this work, we find dynamically controlled localization transitions and mobility edges in non-Hermitian quasicrystals via shaking the lattice ...
Longwen Zhou
doaj   +1 more source

Stability of Quasicrystals Composed of Soft Isotropic Particles

open access: yes, 2011
Quasicrystals whose building blocks are of mesoscopic rather than atomic scale have recently been discovered in several soft-matter systems. Contrary to metallurgic quasicrystals whose source of stability remains a question of great debate to this day ...
C. Xiao   +9 more
core   +1 more source

Thermodynamically Stable One-Component Metallic Quasicrystals

open access: yes, 1997
Classical density-functional theory is employed to study finite-temperature trends in the relative stabilities of one-component quasicrystals interacting via effective metallic pair potentials derived from pseudopotential theory.
A. R Denton   +14 more
core   +1 more source

Probing the dynamics of quasicrystal growth using synchrotron live imaging [PDF]

open access: yes, 2005
The dynamics of quasicrystal growth remains an unsolved problem in condensed matter. By means of synchrotron live imaging, facetted growth proceeding by the tangential motion of ledges at the solid-melt interface is clearly evidenced all along the ...
A. A. Chernov   +19 more
core   +4 more sources

Topological Materials and Related Applications

open access: yesAdvanced Electronic Materials, EarlyView.
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

Quasicrystals – A Paradigm Shift in Crystallography?

open access: yesCHIMIA, 2014
The discovery of quasicrystals had important consequences for our understanding of long-range order in thermodynamic equilibrium, the definition of the term 'crystal' as well as diffraction theory.
Walter Steurer
doaj   +1 more source

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