What is CCTO?
Calcium Copper Titanate (CCTO)
CCTO (CaCu3Ti4O12) ceramic oxide particles for Laser Marking Pigments, LDS/MID screening, and electronic-ceramic study routes.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-07-25
What It Is Not
- CCTO is calcium copper titanate, not a generic blend of calcium, copper, and titanium oxides.
When Not to Use It
- Do not use CCTO when low dielectric loss or device performance must be inferred from powder permittivity without fired-microstructure validation.
Intrinsic Screening Summary
- Identity screen
- CaCu3Ti4O12; Cubic-lattice perovskite oxide ceramic powder
- Intrinsic feature
- The review covers CCTO synthesis, dielectric properties, film deposition, and sensing applications, including processing routes and high dielectric behavior.
- Material-level integration
- Use when evaluating Laser Marking Pigments or LDS/MID formulations and systems.
Application Fit
Selection & Validation Framework
| Decision Question | Material-Level Answer |
|---|---|
| Integration and processing criteria | Required for: Laser Marking Pigments and LDS/MID. Measure: particle distribution; settling; redispersion; storage stability; moisture exposure. Sample state: final coating thickness. Failure signals: Use when evaluating Laser Marking Pigments or LDS/MID formulations and systems.. |
Material Identity & Specification Status
Approved values for Density and Packaging are not published; confirm them during quotation or sample review.
| Property | Value |
|---|---|
| Composition | CaCu3Ti4O12 |
| CAS / identity | 12336-91-3 |
| Particle size | Micro grade D50 1-3 um and D90 3-5 um; nano grade D50 75-100 nm |
| Morphology | Cubic-lattice perovskite oxide ceramic powder |
| Purity | 99.99% |
| Storage | Dry sealed container |
Why It Works
| Structure | Function | Mechanism |
|---|---|---|
| CaCu3Ti4O12; Ceramic dielectric powder | CCTO supports Laser Marking Pigments, LDS/MID screening, and high-permittivity electronic-ceramic study routes. | The review covers CCTO synthesis, dielectric properties, film deposition, and sensing applications, including processing routes and high dielectric behavior. |
Technical Guides
| Technical Guide | Summary |
|---|---|
| CCTO Permittivity, Dielectric Loss, Leakage, and Internal-Barrier-Layer Behavior | Calcium Copper Titanate (CCTO) Permittivity, Dielectric Loss, Leakage, and Internal-Barrier-Layer Behavior — a method-conditioned engineering guide for MLCC Internal-Electrode, Termination & Dielectric Materials covering particle packing, surface oxide chemistry, shrinkage matching, grain-boundary behavior, and electrode-dielectric interface continuity, process limits, validation, and qualification boundaries. |
| Characterizing Nickel Powder, CCTO Powder, Pastes, Printed Layers, and Fired Microstructures | Characterizing Nickel Powder, Calcium Copper Titanate (CCTO) Powder, Pastes, Printed Layers, and Fired Microstructures — a method-conditioned engineering guide for MLCC Internal-Electrode, Termination & Dielectric Materials covering particle packing, surface oxide chemistry, shrinkage matching, grain-boundary behavior, and electrode-dielectric interface continuity, process limits, validation, and qualification boundaries. |
| Diagnosing Abnormal Grain Growth, Porosity, Secondary Phases, Cracks, and Warpage | Diagnosing Abnormal Grain Growth, Porosity, Secondary Phases, Cracks, and Warpage — a method-conditioned engineering guide for Varistor & Functional Ceramic Sensors covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Dispersing and Sintering CCTO Dielectric Powders Without Agglomeration or Abnormal Grain Growth | Dispersing and Sintering Calcium Copper Titanate (CCTO) Dielectric Powders Without Agglomeration or Abnormal Grain Growth — a method-conditioned engineering guide for MLCC Internal-Electrode, Termination & Dielectric Materials covering particle packing, surface oxide chemistry, shrinkage matching, grain-boundary behavior, and electrode-dielectric interface continuity, process limits, validation, and qualification boundaries. |
| Electrode Chemistry, Firing, Contact Formation, and Ceramic-Electrode Compatibility | Electrode Chemistry, Firing, Contact Formation, and Ceramic-Electrode Compatibility — a method-conditioned engineering guide for Varistor & Functional Ceramic Sensors covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
Commercial Availability
Supplier role: Request confirmation
Supply status: Request confirmation
Sample status: Sample availability requires confirmation
Commercial details are not published until the source and verification fields are complete and the Supplier Data Packet is signed by the sales owner, technical reviewer, and resource/compliance owner. Request current grade, form, sample, packaging, and delivery confirmation.
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
Approval required
Safety Data Sheet
Request required
Related resources
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 CCTO Sample / Qualification Review