AgBiTe2
AgBiTe2 is a metallic ternary telluride compound utilized in the study and development of advanced phase-change memory technologies.
About AgBiTe2
AgBiTe2 is a complex ternary chalcogenide that functions as a metallic phase-change material. Its structural versatility and proximity to thermodynamic stability make it a subject of significant interest for researchers investigating next-generation non-volatile memory architectures. The material is characterized by its adaptability in various crystalline forms, which is essential for the rapid switching mechanisms required in high-performance electronic data storage. Its metallic electronic nature distinguishes it within the broader family of telluride-based semiconductors.
Key Properties
Cross-validated computational properties for AgBiTe2, aggregated across 5 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 AgBiTe2, 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. |
|---|---|---|---|---|---|
| P-3m1 (No. 164) | trigonal | 0.00 | 0.0191 | -32.861 | 7.94 |
| R-3m (No. 166) | trigonal | 0.00 | 0.0211 | -32.859 | 7.92 |
| P-3m1 (No. 164) | trigonal | 0.00 | 0.0983 | -32.782 | 7.86 |
| P4/mmm (No. 123) | tetragonal | 0.00 | 0.1094 | -32.771 | 7.83 |
| Cmmm (No. 65) | orthorhombic | 0.00 | 1.3255 | -33.831 | 0.35 |
| P-3m1 (No. 164) | Trigonal | — | — | — | 7.98 |
| Cmmm (No. 65) | — | — | — | — | — |
| P-3m1 (No. 164) | Trigonal | — | — | — | 8.01 |
| P-3m1 (No. 164) | Trigonal | — | — | — | 7.86 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 8.01 |
| P-3m1 (No. 164) | — | — | — | — | — |
| — | — | — | — | — | 8.55 |
Applications
Where AgBiTe2 is used.
Frequently Asked Questions
Common questions about AgBiTe2, answered from cross-validated data.
What is AgBiTe2?
AgBiTe2 is a metallic ternary telluride compound utilized in the study and development of advanced phase-change memory technologies.
What is AgBiTe2 used for?
What is the band gap of AgBiTe2?
Is AgBiTe2 a metal, semiconductor, or insulator?
Is AgBiTe2 thermodynamically stable?
What is the crystal structure of AgBiTe2?
What is the density of AgBiTe2?
How many polymorphs of AgBiTe2 are known?
What elements does AgBiTe2 contain?
Where does the data for AgBiTe2 come from?
How It Compares
Within the phase-change memory materials class.
Within the diverse class of phase-change materials, AgBiTe2 shares structural similarities with compounds like AgSbTe2, yet it occupies a distinct niche due to its specific metallic behavior. While binary compounds such as GeTe are foundational to industry-standard memory devices, AgBiTe2 offers a unique compositional profile that provides researchers with a different pathway for tuning switching kinetics and thermal stability in memory cells.
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).
- mpaloe — Data from mpaloe.
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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