Cd1La1Zn2
Cd1La1Zn2 is a semimetallic ternary intermetallic compound containing cadmium, lanthanum, and zinc that is primarily studied for its complex structural properties.
About Cd1La1Zn2
Cd1La1Zn2 is a ternary intermetallic compound composed of cadmium, lanthanum, and zinc. Its electronic character is defined as near-zero-gap, placing it in the category of semimetallic materials which often exhibit unique transport properties due to the proximity of the valence and conduction bands.
As a material that sits above the thermodynamic hull, this compound is considered potentially unstable under standard conditions. Despite this, it remains a subject of interest in structural chemistry, with numerous reported structural variations documented across scientific databases, highlighting the complexity of phase formation in lanthanum-based ternary systems.
Key Properties
Cross-validated computational properties for Cd1La1Zn2, 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 Cd1La1Zn2, 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 | 0.06 | 1.7478 | -0.697 | 0.41 |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Cd1La1Zn2, answered from cross-validated data.
What is Cd1La1Zn2?
Cd1La1Zn2 is a semimetallic ternary intermetallic compound containing cadmium, lanthanum, and zinc that is primarily studied for its complex structural properties.
What is the band gap of Cd1La1Zn2?
Is Cd1La1Zn2 a metal, semiconductor, or insulator?
Is Cd1La1Zn2 thermodynamically stable?
What is the crystal structure of Cd1La1Zn2?
What is the density of Cd1La1Zn2?
How many polymorphs of Cd1La1Zn2 are known?
What elements does Cd1La1Zn2 contain?
Where does the data for Cd1La1Zn2 come from?
How It Compares
As a unique ternary phase, Cd1La1Zn2 represents a specific stoichiometric arrangement within the broader landscape of lanthanum-cadmium-zinc intermetallics, serving as a case study for the structural diversity possible in these complex alloy systems.
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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