Abstract / Description of output
Experimentally, we have found that among the "complicated'' phases of potassium at intermediate pressures is one which has the same space group as the double hexagonal-close-packed structure, although its atomic coordination is completely different. Calculations on this P6(3)/mmc (hP4) structure as a function of pressure show three isostructural transitions and three distinctive types of chemical bonding: free electron, ionic, and metallic. Interestingly, relationships between localized metallic structures and ionic compounds are found.
Original language | English |
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Article number | 115501 |
Pages (from-to) | - |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 103 |
Issue number | 11 |
DOIs | |
Publication status | Published - 11 Sept 2009 |
Keywords / Materials (for Non-textual outputs)
- ELECTRON LOCALIZATION