A quaternary ThCr 2Si 2 type structure

Crystal growth of KCuZnTe 2 from molten salt

Harry R. Heulings IV, Jing Li, Davide M. Proserpio

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

KCuZnTe 2, a quaternary layered metal telluride, was synthesized from a potassium polytelluride flux at 450°C. Single crystal X-ray diffraction analysis showed that the structure of this compound belongs to tetragonal crystal system, space group I4/mmm (no. 139). The unit cell parameters are: a = 4.269(1) Å, c = 14.912(2) Å, V = 271.76(10) Å 3, Z = 2. Direct synthesis at 650°C produced a yield of approximately 25%. KCuZnTe 2 is one of only a few quaternary mixed-metal tellurides having the ThCr 2Si 2-type structure. It is composed of (CuZnTe 2) - layers and K + cations located between the layers. Cu and Zn form a mixed-metal square lattice within each layer by sharing the same crystallographic site. KCuZnTe 2 is electron precise and is therefore most likely a semiconducting material.

Original languageEnglish
Pages (from-to)225-229
Number of pages5
JournalMain Group Metal Chemistry
Volume21
Issue number4
Publication statusPublished - 1998

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molten salts
Crystallization
Crystal growth
Molten materials
crystal growth
tellurides
Salts
Metals
metals
X ray diffraction analysis
Potassium
Cations
potassium
Positive ions
Single crystals
Fluxes
cations
Crystals
Electrons
single crystals

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Organic Chemistry

Cite this

A quaternary ThCr 2Si 2 type structure : Crystal growth of KCuZnTe 2 from molten salt. / Heulings IV, Harry R.; Li, Jing; Proserpio, Davide M.

In: Main Group Metal Chemistry, Vol. 21, No. 4, 1998, p. 225-229.

Research output: Contribution to journalArticle

Heulings IV, Harry R. ; Li, Jing ; Proserpio, Davide M. / A quaternary ThCr 2Si 2 type structure : Crystal growth of KCuZnTe 2 from molten salt. In: Main Group Metal Chemistry. 1998 ; Vol. 21, No. 4. pp. 225-229.
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