As2Cd1Sr2
As2Cd1Sr2 is a thermodynamically stable semiconducting ternary compound containing arsenic, cadmium, and strontium.
About As2Cd1Sr2
As2Cd1Sr2 is a complex ternary compound composed of arsenic, cadmium, and strontium. As a thermodynamically stable material situated on the convex hull, it represents a robust phase within its chemical system, offering a defined structural framework for further investigation. Its electronic character as a semiconductor makes it an intriguing candidate for specialized solid-state applications where specific charge transport properties are required. The material is currently documented through a limited number of structural configurations, highlighting its status as a niche but well-defined inorganic compound. Its stability suggests potential for integration into experimental material synthesis, where it may serve as a precursor or a functional component in advanced semiconductor research.
Key Properties
Cross-validated computational properties for As2Cd1Sr2, 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 As2Cd1Sr2, 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. |
|---|---|---|---|---|---|
| Cmc21 (No. 36) | orthorhombic | 0.52 | 0.0000 | -3.678 | 5.00 |
| No. 0 | unknown | — | — | — | 1.27 |
| I4/mmm (No. 139) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
Applications
Where As2Cd1Sr2 is used.
Frequently Asked Questions
Common questions about As2Cd1Sr2, answered from cross-validated data.
What is As2Cd1Sr2?
As2Cd1Sr2 is a thermodynamically stable semiconducting ternary compound containing arsenic, cadmium, and strontium.
What is As2Cd1Sr2 used for?
What is the band gap of As2Cd1Sr2?
Is As2Cd1Sr2 a metal, semiconductor, or insulator?
Is As2Cd1Sr2 thermodynamically stable?
What is the crystal structure of As2Cd1Sr2?
What is the density of As2Cd1Sr2?
How many polymorphs of As2Cd1Sr2 are known?
What elements does As2Cd1Sr2 contain?
Where does the data for As2Cd1Sr2 come from?
How It Compares
As a unique ternary phase, As2Cd1Sr2 occupies a distinct position in materials science, serving as a foundational example of how alkaline earth metals and pnictogens interact with transition metals to form stable semiconducting architectures.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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