Ge2Hf2O8
Ge2Hf2O8 is a metastable, wide-gap insulating oxide containing germanium and hafnium.
About Ge2Hf2O8
Ge2Hf2O8 is a complex oxide composed of germanium, hafnium, and oxygen. As a wide-gap insulating material, it exhibits electronic characteristics that make it a subject of interest for specialized dielectric applications where insulating performance is paramount. Its structural complexity is highlighted by the significant number of reported configurations found across multiple databases.
Despite its status as a metastable phase, the compound represents a unique intersection of heavy-metal hafnium chemistry and germanium oxide frameworks. Understanding its stability and structural diversity is essential for researchers exploring new oxide systems that could eventually be stabilized for high-performance electronic or optical components.
Key Properties
Cross-validated computational properties for Ge2Hf2O8, 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.
Applications
Where Ge2Hf2O8 is used.
Frequently Asked Questions
Common questions about Ge2Hf2O8, answered from cross-validated data.
What is Ge2Hf2O8?
Ge2Hf2O8 is a metastable, wide-gap insulating oxide containing germanium and hafnium.
What is Ge2Hf2O8 used for?
What is the band gap of Ge2Hf2O8?
Is Ge2Hf2O8 a metal, semiconductor, or insulator?
Is Ge2Hf2O8 thermodynamically stable?
How many polymorphs of Ge2Hf2O8 are known?
What elements does Ge2Hf2O8 contain?
Where does the data for Ge2Hf2O8 come from?
How It Compares
As a unique oxide system, Ge2Hf2O8 occupies a specialized niche within the landscape of complex ternary oxides. Unlike more common binary oxides, this compound leverages the interplay between its constituent elements to achieve distinct insulating properties, serving as a representative example of metastable phases that offer structural flexibility in material design.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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