Ho2TeO6
Ho2TeO6 is a stable, wide-gap insulating oxide compound composed of holmium, tellurium, and oxygen.
About Ho2TeO6
Ho2TeO6 is a complex oxide featuring holmium, tellurium, and oxygen. As a thermodynamically stable compound residing on the convex hull, it represents a robust structural arrangement within its chemical family, offering significant interest for fundamental materials research.
This material exhibits a wide-band-gap insulating electronic character, making it a subject of interest for applications requiring stable dielectric or optical properties. Its structural diversity is highlighted by multiple reported configurations across major materials databases.
Key Properties
Cross-validated computational properties for Ho2TeO6, 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 Ho2TeO6, 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. |
|---|---|---|---|---|---|
| P212121 (No. 19) | orthorhombic | 3.01 | 0.0000 | -7.698 | 7.89 |
| P321 (No. 150) | trigonal | 3.10 | 0.0094 | -7.689 | 7.61 |
| P42/mnm (No. 136) | tetragonal | 2.69 | 0.0610 | -7.637 | 7.38 |
| P42/mnm (No. 136) | — | — | — | — | — |
| P42/mnm (No. 136) | Tetragonal | — | — | — | 7.38 |
| P42/mnm (No. 136) | Tetragonal | — | — | — | 7.86 |
| P42/mnm (No. 136) | Tetragonal | — | — | — | 7.57 |
Applications
Where Ho2TeO6 is used.
Frequently Asked Questions
Common questions about Ho2TeO6, answered from cross-validated data.
What is Ho2TeO6?
Ho2TeO6 is a stable, wide-gap insulating oxide compound composed of holmium, tellurium, and oxygen.
What is Ho2TeO6 used for?
What is the band gap of Ho2TeO6?
Is Ho2TeO6 a metal, semiconductor, or insulator?
Is Ho2TeO6 thermodynamically stable?
What is the crystal structure of Ho2TeO6?
What is the density of Ho2TeO6?
How many polymorphs of Ho2TeO6 are known?
What elements does Ho2TeO6 contain?
Where does the data for Ho2TeO6 come from?
How It Compares
As a distinct holmium-based tellurate, Ho2TeO6 serves as a key reference point for understanding the structural and electronic trends within the broader family of rare-earth tellurium oxides, where its thermodynamic stability defines it as a reliable baseline for comparative studies.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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