Super-stretchability in two-dimensional RuCl 3 and RuBr 3 confirmed by first-principles simulations

Mohammad Salavati, Naif Alajlan, Timon Rabczuk

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Two-dimensional (2D)materials have attracted the interests of various research communities in material science due to their unique properties and broad application prospects. The experimental advances achieved during the last decade facilitate the fabrication of novel 2D structures with a wide range of applications in nanodevices. A recent experimental study (Nat. Commun. v.7, 13774, 2016)provided a synthesis route and confirmed the structural and electronic properties of novel 2D layered RuCl 3 nanosheets. These materials have displayed Kitaev physics. Owing to its stable atomic lattice and very appealing magnetic properties, the single layer RuCl 3 is an important material for producing chemical catalysts with applications in nanoelectronics. Motivated by recent experimental advances, we conducted first-principles calculations to study the dynamic behaviour and mechanical characteristics of pristine RuCl 3 and RuBr 3 in their single-layer form. We performed spin-polarized density functional theory calculations of specimen subjected to uniaxial tensile loading to predict the mechanical/failure properties of these novel 2D materials. Analyzing the phonon dispersions confirmed the dynamic stability of the stress-free atomic lattices. Our density functional theory (DFT)results also reveal important mechanical properties of RuCl 3 /RuBr 3 as a class of super-stretchable 2D materials which are appealing for nanodevices.

Original languageEnglish
Pages (from-to)79-85
Number of pages7
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume113
DOIs
Publication statusPublished - 2019 Sep 1

Fingerprint

density functional theory
dynamic stability
simulation
Density functional theory
materials science
routes
Nanoelectronics
mechanical properties
Nanosheets
magnetic properties
catalysts
Materials science
fabrication
physics
Dispersions
Electronic properties
synthesis
Structural properties
Magnetic properties
electronics

Keywords

  • 2D materials
  • DFT
  • Mechanical
  • Super-stretchable
  • Transition metal halides (TMHs)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Cite this

Super-stretchability in two-dimensional RuCl 3 and RuBr 3 confirmed by first-principles simulations . / Salavati, Mohammad; Alajlan, Naif; Rabczuk, Timon.

In: Physica E: Low-Dimensional Systems and Nanostructures, Vol. 113, 01.09.2019, p. 79-85.

Research output: Contribution to journalArticle

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