Matches in SemOpenAlex for { <https://semopenalex.org/work/W3190382005> ?p ?o ?g. }
- W3190382005 abstract "Based on crystal structural search and ab initio calculations, we report pressure-induced structural and electronic phase transitions for the semiconductor indium tellurium iodine (InTeI). We have found two structures belonging to the same space group of InTeI at high pressure (labeled as $P4/nmmtext{ensuremath{-}}mathrm{I}$ and $P4/nmmtext{ensuremath{-}}mathrm{II}$, respectively), where $P4/nmmtext{ensuremath{-}}mathrm{II}$ is metastable. Our calculation results show that the ambient $P{2}_{1}/c$ phase transforms to a tetragonal $P4/nmmtext{ensuremath{-}}mathrm{I}$ phase at about 15 GPa, characterized by the appearance of metallization and superconductivity with ${T}_{mathrm{c}}$ of around 7 K. Besides, band-structure calculations suggest that the InTeI system undergoes a pressure-induced electronic phase transition from a direct to indirect band gap in the $P{2}_{1}/c$ phase. On the application of atomic substitution, the superconducting temperature ${T}_{mathrm{c}}$ of InTeI can be further raised to around 9.7 K if the iodine atoms are replaced by the lighter chlorine atoms in the $P4/nmmtext{ensuremath{-}}mathrm{I}$ phase. The results pave the way for applying of Indium tellurohalide in optoelectronic devices and demonstrate a method that adjusts electronic properties by pressure or atomic substitution." @default.
- W3190382005 created "2021-08-16" @default.
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- W3190382005 date "2021-08-09" @default.
- W3190382005 modified "2023-10-14" @default.
- W3190382005 title "Pressure-induced structural and electronic transitions in InTeI" @default.
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- W3190382005 doi "https://doi.org/10.1103/physrevb.104.064104" @default.
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