NbSb3O8
NbSb3O8 is a semiconducting niobium-antimony oxide that is considered a promising candidate for experimental synthesis.
About NbSb3O8
NbSb3O8 is a complex oxide featuring niobium and antimony. Its electronic character identifies it as a semiconductor, positioning it as a material of interest for potential optoelectronic or catalytic applications where specific charge transport properties are required.
As a near-hull compound, it maintains a level of thermodynamic stability that suggests it can be synthesized under controlled conditions. The existence of multiple reported structures across various databases highlights its structural versatility and ongoing interest within the materials science community.
Key Properties
Cross-validated computational properties for NbSb3O8, 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 NbSb3O8, 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. |
|---|---|---|---|---|---|
| P1 (No. 1) | triclinic | 1.82 | 0.0056 | -7.348 | 5.86 |
| Pc (No. 7) | monoclinic | 1.90 | 0.0059 | -7.348 | 6.06 |
| Pc (No. 7) | Monoclinic | — | — | — | 5.88 |
| Pc (No. 7) | Monoclinic | — | — | — | 6.28 |
| Pc (No. 7) | — | — | — | — | — |
| Pc (No. 7) | Monoclinic | — | — | — | 6.04 |
Applications
Where NbSb3O8 is used.
Frequently Asked Questions
Common questions about NbSb3O8, answered from cross-validated data.
What is NbSb3O8?
NbSb3O8 is a semiconducting niobium-antimony oxide that is considered a promising candidate for experimental synthesis.
What is NbSb3O8 used for?
What is the band gap of NbSb3O8?
Is NbSb3O8 a metal, semiconductor, or insulator?
Is NbSb3O8 thermodynamically stable?
What is the crystal structure of NbSb3O8?
What is the density of NbSb3O8?
How many polymorphs of NbSb3O8 are known?
What elements does NbSb3O8 contain?
Where does the data for NbSb3O8 come from?
How It Compares
As a unique oxide in its compositional space, NbSb3O8 serves as an important reference point for understanding the interplay between niobium and antimony in complex structural frameworks. Its stability profile makes it a compelling subject for researchers exploring the boundaries of synthesizable semiconducting oxides.
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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