Ba2HoNbO6
Ba2HoNbO6 is a stable, semiconducting complex oxide used in the research and development of sustainable, lead-free piezoelectric materials.

About Ba2HoNbO6
Ba2HoNbO6 is a complex perovskite oxide that stands out for its thermodynamic stability, residing on the convex hull. As a semiconducting material, it represents a specialized niche within the broader family of oxide ceramics, offering unique structural and electronic properties derived from its specific arrangement of barium, holmium, niobium, and oxygen atoms. Its stability makes it a compelling subject for researchers investigating robust, lead-free alternatives in functional material design. The compound is primarily studied for its potential role in electronic and electromechanical applications where environmental safety and material longevity are paramount. By avoiding lead, it aligns with modern efforts to develop sustainable, high-performance piezoelectric components for sensors and actuators.
Key Properties
Cross-validated computational properties for Ba2HoNbO6, 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 Ba2HoNbO6 is used.
Frequently Asked Questions
Common questions about Ba2HoNbO6, answered from cross-validated data.
What is Ba2HoNbO6?
Ba2HoNbO6 is a stable, semiconducting complex oxide used in the research and development of sustainable, lead-free piezoelectric materials.
What is Ba2HoNbO6 used for?
What is the band gap of Ba2HoNbO6?
Is Ba2HoNbO6 a metal, semiconductor, or insulator?
Is Ba2HoNbO6 thermodynamically stable?
How many polymorphs of Ba2HoNbO6 are known?
What elements does Ba2HoNbO6 contain?
Where does the data for Ba2HoNbO6 come from?
How It Compares
Within the lead-free piezoelectrics class.
While BaTiO3 remains the industry standard for lead-free piezoelectric applications due to its well-documented ferroelectric behavior, Ba2HoNbO6 offers a distinct alternative through its complex double-perovskite structure. Unlike simpler niobates such as NaNbO3 or KNbO3, which are often characterized by complex phase transitions, Ba2HoNbO6 provides a stable, ordered lattice that can be tuned for specific semiconducting and electromechanical responses, serving as a specialized candidate for high-stability electronic environments.
Related Compounds
Other Lead-Free Piezoelectrics in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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