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Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

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Magnetically and optically active edges in phosphorene nanoribbons.

Arjun Ashoka¹, Adam J Clancy², Naitik A Panjwani³

¹Cavendish Laboratory, University of Cambridge, Cambridge, UK.

|March 13, 2025

Summary

Phosphorene nanoribbons exhibit room-temperature magnetism and semiconducting properties. Their unique edge states facilitate rapid energy funneling upon photoexcitation, paving the way for novel quantum electronics.

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Area of Science:

Condensed matter physics
Materials science
Nanotechnology

Background:

Nanoribbons, 2D material strips, offer unique electronic structures and edge phenomena.
Potential for tunable semiconducting properties and edge magnetism is key for spintronics.

Purpose of the Study:

Investigate the magnetic and semiconducting properties of phosphorene nanoribbons (PNRs).
Explore the interplay between magnetism and semiconducting states in PNRs at room temperature.

Main Methods:

Characterization of macroscopic magnetic properties of PNR films at room temperature.
Analysis of PNR alignment in solution using magnetic anisotropy.
Studying photoexcitation dynamics and energy funneling to edge states.

Main Results:

PNRs display macroscopic magnetism at room temperature originating from their edges (240–850 mT).
Giant magnetic anisotropy allows PNR alignment in low magnetic fields.
Photoexcitation rapidly funnels energy to edge-localized states coupled to phonon modes.

Conclusions:

PNRs are a promising system for studying room-temperature magnetism and semiconducting ground states.
Results provide a foundation for utilizing low-dimensional nanomaterials in quantum electronics.