Cr2Ho2O12Te2
Cr2Ho2O12Te2 is a stable, semiconducting complex oxide composed of chromium, holmium, oxygen, and tellurium.
About Cr2Ho2O12Te2
Cr2Ho2O12Te2 is a complex oxide featuring chromium, holmium, and tellurium. As a thermodynamically stable phase residing on the convex hull, it represents a well-defined structural arrangement within its chemical system.
This material exhibits semiconducting electronic behavior, making it a subject of interest for fundamental solid-state research. Its existence across multiple reported structures highlights its significance in the study of rare-earth tellurate compounds.
Key Properties
Cross-validated computational properties for Cr2Ho2O12Te2, 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 Cr2Ho2O12Te2, 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. |
|---|---|---|---|---|---|
| P-31c (No. 163) | trigonal | 2.63 | 0.0000 | -7.776 | 6.43 |
| P-31c (No. 163) | trigonal | 1.46 | 0.2492 | -7.526 | 6.69 |
| — | — | — | — | — | 6.45 |
| P-31c (No. 163) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Cr2Ho2O12Te2, answered from cross-validated data.
What is Cr2Ho2O12Te2?
Cr2Ho2O12Te2 is a stable, semiconducting complex oxide composed of chromium, holmium, oxygen, and tellurium.
What is the band gap of Cr2Ho2O12Te2?
Is Cr2Ho2O12Te2 a metal, semiconductor, or insulator?
Is Cr2Ho2O12Te2 thermodynamically stable?
What is the crystal structure of Cr2Ho2O12Te2?
What is the density of Cr2Ho2O12Te2?
How many polymorphs of Cr2Ho2O12Te2 are known?
What elements does Cr2Ho2O12Te2 contain?
Where does the data for Cr2Ho2O12Te2 come from?
How It Compares
As a distinct member of the rare-earth chromium tellurate family, this compound occupies a stable position in phase space. It serves as a representative example of how the integration of heavy lanthanides with transition metals and tellurium can yield stable, semiconducting crystalline frameworks.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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