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Related Experiment Video

Updated: Mar 31, 2026

Preparation of Carbon Nanosheets at Room Temperature

Preparation of Carbon Nanosheets at Room Temperature

Published on: March 8, 2016

Quantum emission from hexagonal boron nitride monolayers.

Toan Trong Tran¹, Kerem Bray¹, Michael J Ford¹

¹School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, New South Wales 2007, Australia.

Nature Nanotechnology

|October 27, 2015

Summary

This summary is machine-generated.

Researchers demonstrate room-temperature, ultrabright single-photon emission from a color center in 2D hexagonal boron nitride. This breakthrough advances quantum technologies using van der Waals crystals for nanophotonics and quantum information processing.

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Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

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Published on: July 18, 2025

Area of Science:

Quantum physics and materials science.
Exploration of novel quantum emitters in two-dimensional (2D) materials.

Background:

Artificial atomic systems in solids are crucial for quantum technologies like communications, computing, and metrology.
Existing room-temperature quantum emitters are limited to specific wide-bandgap semiconductors and nanocrystals.
Previous single-photon emission from 2D materials required cryogenic temperatures.

Purpose of the Study:

To demonstrate room-temperature, polarized, and ultrabright single-photon emission from a color center in 2D hexagonal boron nitride (hBN).
To investigate the potential of 2D materials for scalable quantum technologies.

Main Methods:

Experimental demonstration of single-photon emission from a color center in 2D hBN at room temperature.
Characterization of emission properties, including polarization and brightness.
Density functional theory (DFT) calculations to identify the origin of the emission.

Main Results:

Achieved room-temperature, polarized, and ultrabright single-photon emission from a color center in 2D hBN.
DFT calculations suggest that vacancy-related defects are the likely source of the observed emission.
Demonstrated the viability of hBN as a platform for quantum applications.

Conclusions:

2D hexagonal boron nitride hosts promising room-temperature quantum emitters.
Van der Waals crystals offer significant potential for developing large-scale nanophotonics and quantum information processing.
This work opens new avenues for advancing quantum technologies.