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Related Concept Videos

Metallic Solids02:37

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
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Related Experiment Video

Updated: Jun 29, 2026

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
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Ordered growth of metal oxides in patterned multi-angle microstructures.

Zhenkai Ji1,2,3, Min Sun1, Tiantian Chen1

  • 1Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Shanghai. Key Lab. of D&A for Metal-Functional Materials, School of Materials Science & Engineering, Institute for Advanced Study, Tongji University Shanghai 201804 China xiaobinxu@tongji.edu.cn bo.chen@tongji.edu.cn.

RSC Advances
|June 5, 2023
PubMed
Summary
This summary is machine-generated.

We developed a simple hybrid method to create large-area, ordered titanium dioxide (TiO2) nanorod arrays. This technique uses patterned seeding for controlled nanostructure growth, applicable to various materials and complex surfaces.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Surface Chemistry

Background:

  • Ordered nanostructures are crucial for advanced applications.
  • Previous methods for large-area nanostructure fabrication face limitations in scalability and complexity.
  • Developing versatile and cost-effective fabrication techniques is essential.

Purpose of the Study:

  • To present a facile hybrid method for large-area, ordered titanium dioxide (TiO2) nanorod arrays.
  • To demonstrate the applicability of the method on various templates and complex substrates.
  • To explore the potential for fabricating other metal oxide nanostructures.

Main Methods:

  • Combining top-down patterning transfer with bottom-up nanorod growth.
  • Utilizing interfacial tension-driven precursor solution scattering for pre-crystallization seeding.
  • Employing capillary force-driven interfacial patterns on patterned lithographic templates.

Main Results:

  • Successfully prepared large-area and ordered TiO2 nanorod arrays.
  • Demonstrated applicability on diverse substrates and complex morphologies.
  • Verified controllability using templates with English words, Arabic numerals, and Chinese characters.
  • Showcased versatility for other metal oxides like ZnO and MnO2.

Conclusions:

  • The hybrid method offers a versatile, low-cost strategy for fabricating ordered nanostructures.
  • This approach is highly applicable for capillary force-driven interfacial patterns.
  • The developed technique has potential applications in microelectronics, photoelectronics, energy storage, and photocatalysis.