What is Bismuth Based Series?
Bismuth Based Series
Bismuth Based Series is a BiNi1-xFexO3 bismuth-nickel-iron oxide material family whose large negative expansion is localized to a grade-dependent phase-transition range.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-07-25
What It Is Not
- Bismuth Based Series is not one chemical substance or grade; it is a material-family grouping that requires product-specific identity.
When Not to Use It
- Do not use the Bismuth Based Series family label for qualification or purchasing when an exact composition, phase, and grade has not been selected.
- Do not specify a continuous 350 °C hold or aqueous processing outside pH 7-10 without grade-specific stability validation.
Intrinsic Screening Summary
- Identity screen
- BiNi1-xFexO3 bismuth-nickel-iron oxide family; Black oxide ceramic powder
Application Fit
Material Identity & Specification Status
Approved values for CAS / identity, Particle size, Density, Purity, and Packaging are not published; confirm them during quotation or sample review.
| Property | Value |
|---|---|
| Composition | BiNi1-xFexO3 bismuth-nickel-iron oxide family |
| Morphology | Black oxide ceramic powder |
| Storage | Dry sealed container |
Compare Material Routes
| Material / Route | Decision Boundary |
|---|---|
| Framework NTE ceramics | A phase-transition route can provide a much larger negative CTE magnitude within its selected transition interval. The useful interval is grade-dependent and narrower than a framework route; exact composition, transition range, cycling response, and host-composite behavior require grade-specific validation. |
Technical Guides
| Technical Guide | Summary |
|---|---|
| How Phase Purity and Composition Determine the Useful NTE Temperature Window | How Phase Purity and Composition Determine the Useful NTE Temperature Window — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Incorporating Zirconium, Vanadate, and Bismuth-Based NTE Materials into Host Matrices | Incorporating Zirconium, Vanadate, and Bismuth-Based NTE Materials into Host Matrices — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Measuring Effective CTE in Powders, Pellets, Composites, Coatings, and Joined Assemblies | Measuring Effective CTE in Powders, Pellets, Composites, Coatings, and Joined Assemblies — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Qualifying NTE Materials for Thermal Cycling, Dimensional Stability, and Production Variation | Qualifying NTE Materials for Thermal Cycling, Dimensional Stability, and Production Variation — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
Documents & Inquiry
Document access follows the current approval state. Unapproved or unavailable files route to a document request instead of a public download.
Technical Data Sheet
Request required
Safety Data Sheet
Request required
Grade, Sample & Qualification Support
The Aurexene Materials Engineering Team can review the required form, host system, formulation or process, target, sample quantity, volume and timeline, and the grade-specific evidence needed before qualification.
Review Lab Capabilities for sample evaluation and qualification support, or Production Capabilities for scale-up, quality, documentation, and supply support.
Request Bismuth Based Series Sample / Qualification Review