Sublattice melting in binary superionic colloidal crystals

Yange Lin; Monica Olvera De La Cruz

doi:10.1103/PhysRevE.101.032603

Sublattice melting in binary superionic colloidal crystals

Yange Lin^*, Monica Olvera De La Cruz

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

In superionic compounds one component premelts, providing high ionic conductivity to solid-state electrolytes. Here we find sublattice melting in colloidal crystals of oppositely charged particles that are highly asymmetric in size and charge in salt solutions. The small particles in ionic compounds melt when the temperature increases, forming a superionic phase. These delocalized small particles in a crystal of large oppositely charged particles, in contrast to superionic phases in atomic systems, form crystals with nonelectroneutral stoichiometric ratios. This generates structures with multiple domains of ionic crystals in percolated superionic phases with adjustable stoichiometries.

Original language	English (US)
Article number	032603
Journal	Physical Review E
Volume	101
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevE.101.032603
State	Published - Mar 2020

ASJC Scopus subject areas

Condensed Matter Physics
Statistical and Nonlinear Physics
Statistics and Probability

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10.1103/PhysRevE.101.032603

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title = "Sublattice melting in binary superionic colloidal crystals",

abstract = "In superionic compounds one component premelts, providing high ionic conductivity to solid-state electrolytes. Here we find sublattice melting in colloidal crystals of oppositely charged particles that are highly asymmetric in size and charge in salt solutions. The small particles in ionic compounds melt when the temperature increases, forming a superionic phase. These delocalized small particles in a crystal of large oppositely charged particles, in contrast to superionic phases in atomic systems, form crystals with nonelectroneutral stoichiometric ratios. This generates structures with multiple domains of ionic crystals in percolated superionic phases with adjustable stoichiometries.",

author = "Yange Lin and {Olvera De La Cruz}, Monica",

note = "Funding Information: We thank the financial support of the Sherman Fairchild Foundation. We also thank Wei Li, Martin Girard, and Trung Nguyen for helpful discussions. Publisher Copyright: {\textcopyright} 2020 American Physical Society.",

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AU - Olvera De La Cruz, Monica

N1 - Funding Information: We thank the financial support of the Sherman Fairchild Foundation. We also thank Wei Li, Martin Girard, and Trung Nguyen for helpful discussions. Publisher Copyright: © 2020 American Physical Society.

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N2 - In superionic compounds one component premelts, providing high ionic conductivity to solid-state electrolytes. Here we find sublattice melting in colloidal crystals of oppositely charged particles that are highly asymmetric in size and charge in salt solutions. The small particles in ionic compounds melt when the temperature increases, forming a superionic phase. These delocalized small particles in a crystal of large oppositely charged particles, in contrast to superionic phases in atomic systems, form crystals with nonelectroneutral stoichiometric ratios. This generates structures with multiple domains of ionic crystals in percolated superionic phases with adjustable stoichiometries.

AB - In superionic compounds one component premelts, providing high ionic conductivity to solid-state electrolytes. Here we find sublattice melting in colloidal crystals of oppositely charged particles that are highly asymmetric in size and charge in salt solutions. The small particles in ionic compounds melt when the temperature increases, forming a superionic phase. These delocalized small particles in a crystal of large oppositely charged particles, in contrast to superionic phases in atomic systems, form crystals with nonelectroneutral stoichiometric ratios. This generates structures with multiple domains of ionic crystals in percolated superionic phases with adjustable stoichiometries.

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Sublattice melting in binary superionic colloidal crystals

Abstract

ASJC Scopus subject areas

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