Related Experiment Video
Updated: Jun 18, 2026

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
Published on: May 29, 2018
Coupled Electronic and Structural Dynamics Enable Spin Switching in Endohedral Fullerenes
Ying Song1, Yu Zhou1, Xueke Yu1
1College of Physics Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
Single-atom magnets in fullerene cages offer ultrahigh-density data storage. Researchers found Co@C36 acts as a switchable magnetic device, enabling controlled spin-state manipulation for future electronics.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Nanotechnology
Background:
- Single-atom magnets are crucial for high-density information storage.
- Environmental decoherence challenges the magnetic stability of isolated atoms.
- Fullerene cages can stabilize magnetism but limit spin-state control.
Purpose of the Study:
- Investigate spin isomerism in endohedral fullerenes M@C2n (M = Fe, Cr, Co, Mn).
- Identify systems with tunable magnetic properties for spintronic applications.
- Explore Co@C36 as a potential nanoscale magnetic switch.
Main Methods:
- First-principles calculations to study M@C2n systems.
- Analysis of spin isomerism and magnetic properties.
- Simulations of pulsed laser excitation for spin-state control.
Main Results:
- Identified several M@C2n systems with significant spin isomerism.
- Co@C36 exhibits strong competition between high-spin and low-spin states.
- Demonstrated feasible spin-state interconversion via laser excitation.
Conclusions:
- Co@C36 functions as an atomically precise magnetic switch.
- Provides insights into spin engineering for nanoscale logic devices.
- Highlights potential for controlled spin manipulation in fullerene-based systems.
More Related Videos
13:58Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
Published on: September 28, 2016
08:44Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
Published on: August 22, 2017
Related Concept Videos
Spin–Spin Coupling: One-Bond Coupling
Valence Bond Theory
Spin–Spin Coupling Constant: Overview
Qualitatively, any spin plus-half nucleus polarizes the spins of its electrons to the minus-half state. Consequently, the paired electron in the hydrogen–carbon bond must have a...
Spin–Spin Coupling: Three-Bond Coupling (Vicinal Coupling)
The extent of coupling depends on the C‑C bond length, the two H‑C‑C angles, any electron-withdrawing substituents, and the dihedral angle between the involved orbitals. The...
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
NMR Spectroscopy: Spin–Spin Coupling