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Fabricate pure and stable hexagonal silicon by transferring crystal symmetry from a template material to overcome its natural preference for cubic crystallization.

July 31, 2015Nano Letters

Hexagonal Silicon Realized

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Fabricate pure and stable hexagonal silicon by transferring crystal symmetry from a template material to overcome its natural preference for cubic crystallization.
Epitaxially grew silicon shells around hexagonal gallium phosphide nanowire templates.
Characterized atomic stacking sequence and crystalline purity using aberration-corrected transmission electron microscopy and X-ray diffraction.
Evaluated structural stability under high-pressure conditions.
Aberration-corrected transmission electron microscopy demonstrated the characteristic ABABAB... hexagonal stacking order in the silicon shell.
X-ray diffraction confirmed the synthesis of highly pure crystalline hexagonal silicon.
Structural analysis showed the synthesized hexagonal silicon material remains stable under pressures up to 9 GPa.

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Implication

Materials synthesis study demonstrates the fabrication of pure hexagonal silicon shells on nanowire templates, suggesting expanded potential for advanced optical and electronic devices.

Cite This Study

Hauge et al. (2015) studied this question.

synapsesocial.com/papers/6a943780582b3c5feaf650eb https://doi.org/10.1021/acs.nanolett.5b01939

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Implication

Materials synthesis study demonstrates the fabrication of pure hexagonal silicon shells on nanowire templates, suggesting expanded potential for advanced optical and electronic devices.

Hexagonal Silicon Realized

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Implication

Cite This Study

Hexagonal Silicon Realized

Key Points

Discussion

Implication

Cite This Study

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