The high-pressure chemistry of potassium-copper mixtures

Trent S. Snider, John V. Badding

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The chemistry of various potassium-copper mixtures placed in a Mao-Bell diamond anvil cell have been investigated up to pressures near 50 GPa. Characterization of these mixtures via X-ray diffraction suggests that several novel K-Cu phases form at these high-pressure conditions. The formation of intermetallic compounds with transition metals is illustrative of an entirely new body of chemistry for the heavy alkali metals, and has profound ramifications on geophysical research suggesting the presence of potassium in Earth's core. Additionally, such alkali metal-transition metal compounds may possess interesting electronic and structural properties, and this research serves as a welcome addition to the study of the K-Cu phase diagram.

Original languageEnglish (US)
Pages (from-to)157-161
Number of pages5
JournalSolid State Communications
Volume131
Issue number3-4
DOIs
StatePublished - Jul 2004

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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