Cd2MgSr
Cd2MgSr is a semiconducting ternary intermetallic compound that exists in a metastable state.
About Cd2MgSr
Cd2MgSr is a complex intermetallic compound composed of cadmium, magnesium, and strontium. As a semiconducting material, it represents a unique combination of elements that has been documented across multiple structural databases, reflecting its interest in fundamental materials research.
Due to its position relative to the thermodynamic hull, this compound is considered metastable. Its existence in multiple reported structures suggests that while it may be challenging to synthesize in a perfectly stable form, it remains a subject of study for understanding complex ternary phase relationships.
Key Properties
Cross-validated computational properties for Cd2MgSr, 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 Cd2MgSr, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.25 | 1.2546 | -0.296 | 0.31 |
| — | — | — | — | — | 5.13 |
| — | — | — | — | — | 4.36 |
| — | — | — | — | — | — |
Frequently Asked Questions
Common questions about Cd2MgSr, answered from cross-validated data.
What is Cd2MgSr?
Cd2MgSr is a semiconducting ternary intermetallic compound that exists in a metastable state.
What is the band gap of Cd2MgSr?
Is Cd2MgSr a metal, semiconductor, or insulator?
Is Cd2MgSr thermodynamically stable?
What is the crystal structure of Cd2MgSr?
What is the density of Cd2MgSr?
How many polymorphs of Cd2MgSr are known?
What elements does Cd2MgSr contain?
Where does the data for Cd2MgSr come from?
How It Compares
As a unique ternary intermetallic, Cd2MgSr serves as a distinct case study for how cadmium, magnesium, and strontium interact within a semiconducting framework. Without direct structural siblings, it occupies a specialized niche, highlighting the diversity of potential phases that can be explored in multi-element metallic systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- alexandria — Data from alexandria.
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