Analysis reveals electron-deficient multicenter bonds in phase change materials at high pressure, suggesting new insights into bonding in chalcogenides.
Electron-deficient multicenter bonds (EDMBs) identified as the fundamental bonding present in phase change materials (as PbTe and Bi 2 Te 3 ) at room pressure and in general in A IV X VI and AV2VI3 chalcogenides (as GeS and As 2 S 3 ) under high pressure.
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Osman et al. (2025) studied this question.
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