CdGeO3
Cadmium germanate · Cadmium metagermanate
Cadmium germanate is an inorganic crystalline compound often studied for its optical and electronic properties. It is primarily utilized in research contexts for its potential in advanced materials science, particularly in the development of phosphors and photonic devices.
Key Properties
Cross-validated computational properties for Cadmium germanate, 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 CdGeO3, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 1.54 | 0.0232 | -5.942 | 5.91 |
| I41/a (No. 88) | tetragonal | 1.30 | 0.0388 | -5.927 | 6.21 |
| R-3 (No. 148) | trigonal | 1.41 | 0.0440 | -5.922 | 6.51 |
| Cmc21 (No. 36) | orthorhombic | 1.72 | 0.1186 | -5.847 | 5.00 |
| Pnma (No. 62) | orthorhombic | 0.85 | 0.1400 | -5.826 | 7.17 |
| Pm-3m (No. 221) | cubic | 0.10 | 0.3244 | -5.641 | 7.15 |
| Cc (No. 9) | monoclinic | 0.07 | 0.7347 | -5.231 | 5.62 |
| Cmc21 (No. 36) | Orthorhombic | — | — | — | 5.00 |
| R-3 (No. 148) | Trigonal | — | — | — | 6.77 |
| Cmc21 (No. 36) | Orthorhombic | — | — | — | 5.14 |
| C2/c (No. 15) | Monoclinic | — | — | — | 6.05 |
| R-3 (No. 148) | Trigonal | — | — | — | 6.51 |
Applications
Where Cadmium germanate is used.
Frequently Asked Questions
Common questions about Cadmium germanate, answered from cross-validated data.
What is CdGeO3?
Cadmium germanate is an inorganic crystalline compound often studied for its optical and electronic properties. It is primarily utilized in research contexts for its potential in advanced materials science, particularly in the development of phosphors and photonic devices.
What is CdGeO3 used for?
What is the band gap of CdGeO3?
Is CdGeO3 a metal, semiconductor, or insulator?
Is CdGeO3 thermodynamically stable?
What is the crystal structure of CdGeO3?
What is the density of CdGeO3?
How many polymorphs of CdGeO3 are known?
What elements does CdGeO3 contain?
Where does the data for CdGeO3 come from?
Related Compounds
Other Transparent Conducting Oxides in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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