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Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties
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Al0.88Cu0.94Fe0.18.

Yibo Liu1, Huizi Liu1, Bin Wen1

  • 1State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, People's Republic of China.

Iucrdata
|November 8, 2023
PubMed
Summary
This summary is machine-generated.

A new intermetallic phase, Al0.88Cu0.94Fe0.18, was synthesized. This phase adopts the CsCl structure type, with specific site occupations by aluminum, copper, and iron atoms.

Keywords:
Al–Cu–Fe systemcrystal structurehigh-temperature sinter­ingβ phase

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Area of Science:

  • Materials Science
  • Solid State Chemistry
  • Crystallography

Background:

  • Intermetallic phases are crucial in materials science for their unique properties.
  • Understanding the synthesis and structure of novel intermetallic compounds is key to developing advanced materials.

Purpose of the Study:

  • To synthesize and characterize a new intermetallic phase with the nominal composition Al0.88Cu0.94Fe0.18.
  • To determine the crystal structure and atomic site occupancies of the synthesized phase.

Main Methods:

  • High-temperature sintering of a precursor mixture (Al78Cu48Fe13).
  • X-ray diffraction and structure analysis to determine the crystal structure and atomic arrangements.

Main Results:

  • Successful synthesis of the intermetallic phase Al0.88Cu0.94Fe0.18.
  • The phase crystallizes in the CsCl structure type (space group Pm m).
  • Detailed site occupancy analysis revealed co-occupation of sites by Al/Cu and Fe/Cu.

Conclusions:

  • The synthesized Al-Cu-Fe intermetallic compound exhibits a CsCl-type structure.
  • The specific atomic ordering and co-occupancy on crystallographic sites have been elucidated.
  • This study contributes to the fundamental understanding of phase formation and crystal chemistry in Al-Cu-Fe systems.