Cd14P20
Cd14P20 is a semiconducting cadmium phosphide compound that is theoretically stable enough to be a candidate for laboratory synthesis.
About Cd14P20
Cd14P20 is a semiconducting binary compound composed of cadmium and phosphorus. Its electronic character suggests potential utility in specialized optoelectronic or sensing applications where specific semiconductor properties are required.
As a near-hull material, this compound is considered thermodynamically accessible, making it a viable target for experimental synthesis. Its structural complexity highlights the diverse bonding arrangements possible within the cadmium-phosphorus system.
Key Properties
Cross-validated computational properties for Cd14P20, 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 Cd14P20, 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. |
|---|---|---|---|---|---|
| Fdd2 (No. 43) | orthorhombic | 1.08 | 0.0206 | -13.717 | 4.89 |
| P1 (No. 1) | triclinic | 1.45 | 0.0435 | -13.695 | 4.77 |
| Fdd2 (No. 43) | — | — | — | — | — |
| Fdd2 (No. 43) | — | — | — | — | — |
Applications
Where Cd14P20 is used.
Patent Landscape
2 patents reference Cd14P20 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 8248032 | Charging system for prioritizing load consumption in a notebook computer | — | — |
| 8263193 | Vacuum treatment method | — | — |
Frequently Asked Questions
Common questions about Cd14P20, answered from cross-validated data.
What is Cd14P20?
Cd14P20 is a semiconducting cadmium phosphide compound that is theoretically stable enough to be a candidate for laboratory synthesis.
What is Cd14P20 used for?
What is the band gap of Cd14P20?
Is Cd14P20 a metal, semiconductor, or insulator?
Is Cd14P20 thermodynamically stable?
What is the crystal structure of Cd14P20?
What is the density of Cd14P20?
How many polymorphs of Cd14P20 are known?
What elements does Cd14P20 contain?
Where does the data for Cd14P20 come from?
How It Compares
As a unique binary phase within the cadmium-phosphorus landscape, Cd14P20 occupies a distinct structural space. While many binary phosphides are well-characterized, this specific stoichiometry represents a more complex arrangement that warrants further investigation to determine its specific functional advantages over simpler cadmium phosphide variants.
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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