Cd1Mg1Sr2
Cd1Mg1Sr2 is a semiconducting intermetallic compound known for its structural complexity and metastable nature.
About Cd1Mg1Sr2
Cd1Mg1Sr2 is a complex ternary intermetallic compound characterized by its semiconducting electronic nature. As a material that sits above the thermodynamic hull, it represents a metastable phase that offers unique insights into the structural diversity of cadmium-magnesium-strontium systems.
Given the significant number of reported structures for this composition, it serves as a subject of interest for researchers investigating phase formation and structural polymorphism in multi-component metallic systems. Its electronic properties suggest potential utility in specialized semiconductor research where specific band structures are required.
Key Properties
Cross-validated computational properties for Cd1Mg1Sr2, aggregated across 2 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 Cd1Mg1Sr2, 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 | 0.34 | 1.3550 | -0.321 | 0.27 |
| P4mm (No. 99) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
Applications
Where Cd1Mg1Sr2 is used.
Frequently Asked Questions
Common questions about Cd1Mg1Sr2, answered from cross-validated data.
What is Cd1Mg1Sr2?
Cd1Mg1Sr2 is a semiconducting intermetallic compound known for its structural complexity and metastable nature.
What is Cd1Mg1Sr2 used for?
What is the band gap of Cd1Mg1Sr2?
Is Cd1Mg1Sr2 a metal, semiconductor, or insulator?
Is Cd1Mg1Sr2 thermodynamically stable?
What is the crystal structure of Cd1Mg1Sr2?
What is the density of Cd1Mg1Sr2?
How many polymorphs of Cd1Mg1Sr2 are known?
What elements does Cd1Mg1Sr2 contain?
Where does the data for Cd1Mg1Sr2 come from?
How It Compares
As a unique ternary phase, Cd1Mg1Sr2 occupies a distinct position in the landscape of intermetallic compounds. While it lacks direct structural siblings in this specific grouping, it functions as a critical case study for understanding how the combination of alkaline earth and transition metals leads to complex, albeit metastable, atomic arrangements.
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).
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