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Related Concept Videos

Ionic Crystal Structures02:42

Ionic Crystal Structures

Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...

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Updated: May 12, 2026

Scalable Nanohelices for Predictive Studies and Enhanced 3D Visualization
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Scalable Nanohelices for Predictive Studies and Enhanced 3D Visualization

Published on: November 12, 2014

Self-adjustable crystalline inorganic nanocoils.

Peng-peng Wang1, Yong Yang, Jing Zhuang

  • 1Department of Chemistry, Tsinghua University, Beijing, P R China.

Journal of the American Chemical Society
|April 25, 2013
PubMed
Summary
This summary is machine-generated.

Researchers developed flexible indium sulfide nanocoils from ultrathin nanoribbons. These novel nanostructures self-assemble into superlattices, offering new possibilities for advanced materials construction.

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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

Area of Science:

  • Materials Science
  • Nanotechnology
  • Crystallography

Background:

  • Biomacromolecules like proteins form complex crystal structures essential for biology.
  • Inorganic nanostructures often lack the flexibility of biomacromolecules for superlattice construction due to rigidity.

Purpose of the Study:

  • To synthesize flexible inorganic nanostructures capable of self-assembly.
  • To explore the potential of these nanostructures as building blocks for superlattices.

Main Methods:

  • Synthesis of crystalline indium sulfide nanoribbons.
  • Observation of spontaneous self-coiling into nanocoils.
  • Analysis of nanostructure flexibility and self-assembly in solution.

Main Results:

  • Successfully synthesized ultrathin indium sulfide nanoribbons (~0.9 nm thickness).
  • Observed spontaneous coiling of nanoribbons into flexible nanocoils.
  • Demonstrated self-adjustment and assembly of nanocoils into 2D superlattices and 3D supercrystals.

Conclusions:

  • Ultrathin, flexible nanocoils offer a new paradigm for nanocrystal building blocks.
  • Indium sulfide nanocoils can overcome rigidity limitations in inorganic nanostructure assembly.
  • These findings open avenues for designing novel superstructures using flexible nanocrystals.