Related Experiment Video
Updated: Aug 5, 2026
09:56
High Resolution Physical Characterization of Single Metallic Nanoparticles
Published on: June 28, 2019
Ho-Pb Monolayers With Kagome and Striped Structures
Alexey N Mihalyuk1,2, Yuriy E Vekovshinin1,2, Leonid V Bondarenko2
1Institute of High Technologies and Advanced Materials, Far Eastern Federal University, Vladivostok, Russia.
Small (Weinheim an Der Bergstrasse, Germany)
|July 28, 2026
Summary
Researchers synthesized a 2D HoPb3 kagome monolayer and engineered striped phases. These materials exhibit unique magnetic and electronic properties, including spin polarization and Tomonaga-Luttinger liquid behavior, promising for spintronic devices.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Spintronics
Background:
- Scaling down electronic and magnetic phases to the monolayer limit reveals emergent effects.
- Two-dimensional (2D) materials offer unique properties for advanced electronic devices.
Purpose of the Study:
- To synthesize and characterize a 2D Pb-based kagome monolayer (HoPb3).
- To engineer a quasi-1D striped phase from HoPb3 and Pb.
- To investigate the electronic and magnetic properties of these novel materials for spintronic applications.
Main Methods:
- Epitaxial synthesis of 2D HoPb3 monolayer.
- Computational modeling using Density Functional Theory (DFT) to predict electronic and magnetic structures.
- Analysis of band structure for Van Hove singularities and spin polarization.
Main Results:
- Successful synthesis of 2D HoPb3 kagome monolayer and engineered striped phases.
- Both phases exhibit Rashba-like spin polarization and high-order Van Hove singularities.
- DFT calculations predict in-plane antiferromagnetic Ho moments with out-of-plane spin polarization, resulting in ferrimagnetic behavior.
- The striped phase shows characteristics of a 1D Tomonaga-Luttinger liquid.
Conclusions:
- The synthesized 2D and quasi-1D HoPb3 phases possess a unique combination of electronic and magnetic properties.
- These materials are promising for developing tunable spintronic devices due to their controllable anisotropy.
- The findings provide a versatile approach for engineering low-dimensional materials with tailored functionalities.
