Br4In4Te4
Br4In4Te4 is a stable, semiconducting inorganic compound utilized in the study and development of phase-change memory technologies.
About Br4In4Te4
Br4In4Te4 is a semiconducting compound belonging to the class of phase-change memory materials. As a thermodynamically stable phase located on the convex hull, it represents a robust candidate for research into reversible structural transitions essential for next-generation non-volatile memory devices. Its specific electronic configuration allows for the distinct switching behavior required in high-density storage applications.
The material is characterized by its structural diversity, with multiple reported configurations across crystallographic databases. This versatility makes it an intriguing subject for materials scientists aiming to optimize the performance and longevity of phase-change systems, where the ability to transition between amorphous and crystalline states is paramount.
Key Properties
Cross-validated computational properties for Br4In4Te4, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Br4In4Te4, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 1.74 | 0.0000 | -3.402 | 4.85 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 4.99 |
Applications
Where Br4In4Te4 is used.
Frequently Asked Questions
Common questions about Br4In4Te4, answered from cross-validated data.
What is Br4In4Te4?
Br4In4Te4 is a stable, semiconducting inorganic compound utilized in the study and development of phase-change memory technologies.
What is Br4In4Te4 used for?
What is the band gap of Br4In4Te4?
Is Br4In4Te4 a metal, semiconductor, or insulator?
Is Br4In4Te4 thermodynamically stable?
What is the crystal structure of Br4In4Te4?
What is the density of Br4In4Te4?
How many polymorphs of Br4In4Te4 are known?
What elements does Br4In4Te4 contain?
Where does the data for Br4In4Te4 come from?
How It Compares
Within the phase-change memory materials class.
Within the diverse landscape of phase-change materials, Br4In4Te4 occupies a unique position compared to more traditional binary and ternary chalcogenides like GeTe or Sb2Te3. While many members of this class rely on germanium or antimony to facilitate rapid switching, the inclusion of bromine and indium in this structure offers a distinct chemical pathway for tuning the electronic and thermal properties necessary for memory cell optimization.
Related Compounds
Other Phase-Change Memory Materials in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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