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Stable Wide-Bandgap Oxides
A finite screening list of oxide materials where insulation, stability, and process familiarity matter for electronics, optics, and packaging.
Search intent
Find stable insulating oxides with credible materials database and synthesis context.
Inclusion rules
- Oxide chemistry with wide-bandgap or insulating role
- Known stable phase or strong DFT stability precedent
- Useful in dielectric, optical, or packaging decisions
Indexing posture
This is a hand-selected query page. Related filters should canonicalize here or remain non-indexed unless they earn their own registry entry.
Ranked list
Candidate Materials
| Candidate | Role | Stability | Synthesis | Patent Density | Supply Risk | Why It Matters |
|---|---|---|---|---|---|---|
| SiO2 | Dielectric baseline | High | Very high | High | Low | Default comparator for low-k and glass dielectric programs. Evidence: Semiconductor and glass baseline |
| Al2O3 | Stable oxide dielectric | High | Very high | High | Low | Useful when process maturity and barrier behavior matter. Evidence: ALD and ceramic literature |
| HfO2 | High-k gate dielectric benchmark | High | High | High | Medium | High-k comparator for semiconductor dielectric tradeoffs. Evidence: Microelectronics dielectric literature |
| ZrO2 | High-k oxide comparator | High | High | Medium | Low to medium | Useful as a lower-risk high-k comparator to hafnia. Evidence: Ceramic and dielectric literature |
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