1.Quartz & Oscillator Crystals
Frequency-control and low-loss resonator material families.
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Crystals & Electronic Materials
Precision-engineered crystalline materials for RF, electronics, photonics, power conversion, sensing and emerging quantum / QFL systems.
◇Evidence controlled◎Cross-project▧Engineering focused⬡Phase 1
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6.Piezoelectric Polymers
Flexible electromechanical functional materials linked to the crystal/electronic function set.
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7.Quasicrystals
Aperiodic crystalline material families with distinct surface and transport behavior.
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8.Laser & Optical Crystals
Gain, nonlinear and optical-frequency conversion crystal families.
Open Topic →Engineering Crosswalk Matrix
| Material / Subfamily | Primary Engineering Functions | Environment / Interfaces | Processing / Qualification Focus | Cross-Project Links |
|---|---|---|---|---|
| Quartz / oscillator crystals | Frequency control, resonance and low-noise timing. | Electrical/thermal stability; processing defects and orientation matter. | Crystal growth, orientation, polishing, electrode integration and qualification. | Communications · Sensors |
| Si / SiC / GaN families | Electronic switching, power conversion, sensing and RF functions. | Thermal load, electric field, packaging interfaces and radiation context. | Epitaxy/substrate control, packaging, thermal interfaces and reliability. | Computing · Space |
| LiNbO3 and nonlinear crystals | Electro-optic modulation, nonlinear conversion and photonics. | Optical loss, thermal behavior, domain/poling state and optical interfaces. | Crystal growth, poling, orientation, polishing and photonic integration. | Photonics · QFL |
| Piezoelectric materials | Sensing, actuation, ultrasound and energy conversion. | Mechanical cycling, electrical drive and environmental stability. | Poling, electrodes, interface design and calibration. | Sensors · BioSystems |
| Quasicrystals | Surface, thermal, tribological and emerging photonic functions. | Composition/phase stability and processing sensitivity. | Phase control, coating/integration and characterization. | Surface · Metamaterials |
| Laser / optical crystals | Gain, transmission, frequency conversion and imaging. | Optical damage, thermal gradients, defects and purity. | Growth, doping, polishing, coating and optical qualification. | Photonics · Medical |
Phase-1 qualitative architecture; property values remain source- and condition-controlled.
Application Domains
Related Gateways & Engineering Functions
Phase-1 evidence boundary. This page is an engineering taxonomy, selection and dependency reference. It does not publish design allowables. Any numerical property promoted later must bind composition or grade, units, temperature/environment, test basis, source, evidence level and commercial availability. Current source-library anchors: MAT-MASTER-TRACKER-001 — Materials Engineering Master Tracker & Cross-Project Engineering Architecture, Rev 0.2 (20 Aug 2026) | Perovskites — Structure, Properties and Uses — Borowski | Crystallography of Quasicrystals — Steurer & Deloud
Phase 1controlled maturity
E0–E5evidence model
A0–A5availability model
Rev 1.0Batch 06 closure