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Updated: Apr 22, 2026
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Negative Additive Manufacturing of Complex Shaped Boron Carbides
Published on: September 18, 2018
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Experimental observation of boron nitride chains
Ovidiu Cretu1, Hannu-Pekka Komsa, Ossi Lehtinen
1Nanotube Research Center, National Institute of Advanced Industrial Science and Technology (AIST) , Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan.
ACS Nano
|October 10, 2014
Summary
We created stable boron nitride atomic chains from hexagonal sheets. Supporting these chains with another boron nitride layer enhances their lifetime and properties, confirming theoretical predictions.
Area of Science:
- Materials Science
- Nanotechnology
- Condensed Matter Physics
Background:
- Hexagonal boron nitride (h-BN) is a 2D material with unique electronic and mechanical properties.
- Atomic chains are fundamental building blocks for novel nanostructures.
- Previous theoretical studies predicted the existence and properties of boron nitride atomic chains.
Purpose of the Study:
- To experimentally form and characterize boron nitride atomic chains.
- To investigate methods for enhancing the stability and lifetime of these chains.
- To determine the mechanical and electronic properties of boron nitride atomic chains.
Main Methods:
- Formation of boron nitride atomic chains using a transmission electron microscope's electron beam.
- Characterization of chain structure and stability.
- First-principles calculations to analyze heteroatomic structure, mechanical, and electronic properties.
Main Results:
- Successful formation and characterization of boron nitride atomic chains.
- Significant improvement in chain stability and lifetime when supported by a boron nitride layer.
- Experimental confirmation of the heteroatomic structure and determination of key properties.
Conclusions:
- Boron nitride atomic chains can be experimentally synthesized and stabilized.
- Supportive layers are crucial for enhancing the practical utility of these chains.
- The findings complete the analogy between boron nitride and carbon polymorphs, validating theoretical predictions.
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