Ba2HoNbO6

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

Crystal structure of Ba2HoNbO6
Ground-state structure · Materials Project
Overview

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.

At a glance

Key Properties

Cross-validated computational properties for Ba2HoNbO6, aggregated across 3 databases.

Band Gap

2.85 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

3
3 databases, 1 space group
Uses

Applications

Where Ba2HoNbO6 is used.

Piezoelectric sensorsElectromechanical actuatorsElectronic componentsAdvanced ceramic research
Reference

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.

More questions
What is Ba2HoNbO6 used for?
Ba2HoNbO6 is used in piezoelectric sensors, electromechanical actuators, electronic components, and advanced ceramic research.
What is the band gap of Ba2HoNbO6?
Ba2HoNbO6 has a DFT-computed band gap of 2.85 eV across 3 reported structures.
Is Ba2HoNbO6 a metal, semiconductor, or insulator?
With a band gap up to 2.85 eV it is a semiconductor.
Is Ba2HoNbO6 thermodynamically stable?
Yes — Ba2HoNbO6 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ba2HoNbO6 are known?
3 structures of Ba2HoNbO6 are reported across 3 databases, spanning 1 distinct space group.
What elements does Ba2HoNbO6 contain?
Ba2HoNbO6 contains Ba, Ho, Nb, and O (4 elements).
Where does the data for Ba2HoNbO6 come from?
Ba2HoNbO6 data is cross-referenced from latticegraph.
Comparison

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.

Explore

Related Compounds

Other Lead-Free Piezoelectrics in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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