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Updated: Jun 21, 2026

A Sample Preparation Pipeline for Microcrystals at the VMXm Beamline

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Large scaled hexagonal prismatic sub-micro sized Mg crystals by a vapor-liquid-solid process.

Junqing Hu¹, Zhigang Chen, Na Wang

¹State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China. hu.junqing@dhu.edu.cn

Chemical Communications (Cambridge, England)

|July 21, 2009

Summary

Large hexagonal magnesium crystals were grown using a vapor-liquid-solid method. Electron beam imaging in a transmission electron microscope transformed these crystals into hollow magnesium oxide boxes.

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Area of Science:

Materials Science
Nanotechnology
Solid-State Chemistry

Background:

Sub-micro sized magnesium (Mg) crystals are of interest for various applications.
Controlled synthesis of Mg nanostructures is crucial for advanced materials development.

Purpose of the Study:

To synthesize large-scaled hexagonal prismatic Mg crystals.
To investigate the stability and transformation of Mg crystals under electron beam irradiation.

Main Methods:

Vapor-liquid-solid (VLS) growth process for Mg crystal synthesis.
Transmission electron microscope (TEM) imaging to observe crystal morphology and irradiation effects.

Main Results:

Successfully grew large-scaled hexagonal prismatic sub-micro sized Mg crystals.
Observed that Mg crystals are sensitive to electron beam irradiation during TEM imaging.
Demonstrated the transformation of Mg crystals into hollow prismatic magnesium oxide (MgO) boxes.

Conclusions:

The VLS method is effective for producing specific Mg crystal morphologies.
Electron beam irradiation can induce a phase transformation and structural change in Mg crystals.
The formation of hollow MgO boxes presents potential for novel nanomaterial applications.