Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jul 1, 2025

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.6K

Designer Spin Models in Tunable Two-Dimensional Nanographene Lattices.

João Henriques1,2, Mar Ferri-Cortés3, Joaquín Fernández-Rossier1

  • 1International Iberian Nanotechnology Laboratory (INL), Av. Mestre José Veiga, 4715-330 Braga, Portugal.

Nano Letters
|March 1, 2024
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ultra-long-range spin coupling in graphene revealed by atomically resolved spin excitations.

Nature communications·2026
Same author

Electrically tunable quantum interference of atomic spins on surfaces.

Nature communications·2025
Same author

One-dimensional CrI<sub>3</sub> encapsulated within multi-walled carbon nanotubes.

Communications chemistry·2025
Same author

Spin excitations in nanographene-based antiferromagnetic spin-1/2 Heisenberg chains.

Nature materials·2025
Same author

Theory of Atomic-Scale Direct Thermometry Using Electron Spin Resonance via Scanning Tunneling Microscopy.

Nano letters·2025
Same author

Tunable topological phases in nanographene-based spin-1/2 alternating-exchange Heisenberg chains.

Nature nanotechnology·2024

Researchers designed two-dimensional spin lattices using nanographenes. Competing magnetic interactions drive a quantum phase transition between distinct emergent quantum states, offering new possibilities for quantum materials.

Area of Science:

  • Condensed Matter Physics
  • Quantum Materials Science
  • Spintronics

Background:

  • Recent experimental advances enable the design of complex two-dimensional (2D) spin lattices.
  • Controlling competing magnetic interactions is key to achieving novel quantum phenomena.
  • Nanographenes with specific symmetries offer tunable building blocks for spin models.

Purpose of the Study:

  • To propose a strategy for designing 2D spin lattices with competing interactions.
  • To investigate emergent quantum states in Heisenberg models on decorated honeycomb lattices.
  • To explore the quantum phase transition driven by varying ferromagnetic and antiferromagnetic interactions.

Main Methods:

  • Utilized S = 1/2 nanographenes with C3 symmetry as fundamental units.
Keywords:
nanographenesstar latticetriplonsvalence bond crystal

More Related Videos

Fabricating van der Waals Heterostructures with Precise Rotational Alignment
09:25

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

9.5K
Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
14:52

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Published on: September 23, 2018

9.0K

Related Experiment Videos

Last Updated: Jul 1, 2025

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.6K
Fabricating van der Waals Heterostructures with Precise Rotational Alignment
09:25

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

9.5K
Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
14:52

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Published on: September 23, 2018

9.0K
  • Constructed spin models with controllable first-neighbor exchange interactions (ferromagnetic and antiferromagnetic).
  • Performed exact diagonalization of both fermionic and spin models to analyze quantum phases.

    • Main Results:

    • Predicted a quantum phase transition in a triangle-decorated honeycomb lattice.
    • Identified two distinct quantum phases: a valence bond crystal with triplon excitations and a Néel phase.
    • Characterized the Néel phase as having effective S = 3/2 spins in the dominant ferromagnetic interaction limit.

    Conclusions:

    • Demonstrated a pathway to engineer nontrivial emergent quantum states through competing interactions.
    • The proposed spin models exhibit rich phase diagrams tunable via interaction ratios.
    • Findings provide theoretical insights for the experimental realization of novel quantum phases in 2D materials.