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Related Experiment Video

Updated: Jan 24, 2026

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition

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Published on: July 26, 2016

Modulating Epitaxial Atomic Structure of Antimonene through Interface Design.

Tianchao Niu^1,2, Wenhan Zhou^1,3, Dechun Zhou^1,2

¹College of Material Science and Engineering, Nanjing University of Science & Technology, No. 200, Xiaolingwei, 210094, China.

Advanced Materials (Deerfield Beach, Fla.)

|June 4, 2019

Summary

Researchers successfully grew high-quality single-crystalline antimonene using molecular beam epitaxy on copper substrates. This method enables tunable electronic properties through substrate-induced strain, overcoming previous challenges in antimonene fabrication.

Keywords:

antimonene density functional theory molecular beam epitaxy scanning tunneling microscopy

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Published on: July 17, 2020

Area of Science:

Materials Science
Condensed Matter Physics
Nanotechnology

Background:

Antimonene, a novel 2D semiconductor, exhibits promising electronic properties and stability.
Achieving wafer-scale, single-crystalline antimonene with its characteristic buckled structure is challenging.

Purpose of the Study:

To develop a method for fabricating high-quality, single-crystalline antimonene.
To investigate the influence of substrate-induced strain on antimonene's electronic properties.

Main Methods:

Epitaxial growth of antimony (Sb) on Cu(111) and Cu(110) substrates using molecular beam epitaxy (MBE).
Surface alloy formation and subsequent antimonene growth observed via scanning tunneling microscopy (STM).
Electronic bandgap characterization using scanning tunneling spectroscopy (STS) and first-principles calculations.

Main Results:

Successful fabrication of single-crystalline antimonene on both Cu(111) and Cu(110) substrates.
Observation of two distinct atomic types of antimonene with different lattice constants.
Demonstration of strain-induced tunable bandgaps in antimonene films.

Conclusions:

Epitaxial growth on different copper substrates allows for controlled fabrication of antimonene.
Substrate-induced strain is a key factor in tuning the electronic properties of antimonene.
This work paves the way for scalable antimonene production and tailored electronic applications.