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Related Experiment Videos

X-ray and neutron diffraction studies on "Li4.4Sn".

Corina Lupu1, Jiang-Gao Mao, J Wayne Rabalais

  • 1Department of Chemistry, University of Houston, Houston, Texas 77204, USA.

Inorganic Chemistry
|June 10, 2003
PubMed
Summary
This summary is machine-generated.

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This study reformulates the binary lithium-tin compound "Li(4.4)Sn" as Li(17)Sn(4) through detailed structural characterization. The research clarifies its complex cubic structure and electronic properties, revealing semiconductor-like behavior.

Area of Science:

  • Solid State Chemistry
  • Materials Science
  • Crystallography

Background:

  • Binary lithium-tin compounds are crucial in materials science.
  • Previous characterization of "Li(4.4)Sn" lacked detailed structural resolution.

Purpose of the Study:

  • To chemically analyze and structurally characterize the binary lithium-tin compound "Li(4.4)Sn".
  • To refine the crystal structure and understand its electronic properties.

Main Methods:

  • X-ray single crystal diffraction
  • Neutron powder diffraction
  • Phase analysis and structural refinement

Main Results:

  • The compound "Li(4.4)Sn" is reformulated as Li(17)Sn(4).

Related Experiment Videos

  • Li(17)Sn(4) crystallizes in a complex cubic structure (space group Ffourmacr;3m, a = 19.6907(11) A, Z = 20).
  • Improved structure determination revealed distinct lithium atom positions and poor metallic behavior akin to heavily doped semiconductors.

    • Conclusions:

    • The precise crystal structure of Li(17)Sn(4) has been determined.
    • The compound exhibits electronic properties similar to doped semiconductors.
    • This work provides a refined understanding of lithium-tin binary phases.