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

Calcium Copper TitanateCaCu3Ti4O12

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

Material Identity & Specification Status

Approved values for Density and Packaging are not published; confirm them during quotation or sample review.

PropertyValue
CompositionCaCu3Ti4O12
CAS / identity12336-91-3
Particle sizeMicro grade D50 1-3 um and D90 3-5 um; nano grade D50 75-100 nm
MorphologyCubic-lattice perovskite oxide ceramic powder
Purity99.99%
StorageDry sealed container

Why It Works

StructureFunctionMechanism
CaCu3Ti4O12; Ceramic dielectric powderCCTO 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 GuideSummary
CCTO Permittivity, Dielectric Loss, Leakage, and Internal-Barrier-Layer BehaviorCalcium 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 MicrostructuresCharacterizing 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 WarpageDiagnosing 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 GrowthDispersing 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 CompatibilityElectrode 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.

Documents & Inquiry

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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