Polycrystalline Material Growth TRIZ Cases
- Na3Ba2(B3O6)2F Birefringent Crystal Melt Growth for Deep UV
Direct melt growth of sodium barium fluoborate crystal overcomes flux impurity issues to deliver wide deep ultraviolet transmission.
- Epitaxial Film Formation on Corundum Substrates
Atomized droplets form epitaxial films on corundum substrates via carrier gas transport, reducing dislocations and facet growth.
- Oriented PZT Ferroelectric Ceramics via Pb-Excessive Precursor
Oriented columnar single crystals in Pb(Zr1-xTix)O3 films improve piezoelectric reliability by managing lead excess and reducing leak current.
- Alloy Nanocrystal Synthesis Narrowing Fluorescence Peak Width
Epitaxial alloy nanocrystal synthesis controls size and composition to narrow fluorescence full-width-at-half-maximum below 15 cm⁻¹.
- ZnO Substrate Li Impurity Removal and Surface Planarization
Heat treatment removes lithium impurities from zinc oxide substrates followed by alkaline etching to planarize the surface.
- GaN Self-Supporting Substrate Slicing for Warp Reduction
Slicing epitaxially grown nitride semiconductor layers on seed substrates reduces warp while maintaining high crystal quality.
- Group III Nitride Semiconductor Crystal Growth via Diameter-Adjusted Crucible Rotation
Adjusting crucible rotation speed based on inside diameter prevents molten liquid indentation, ensuring flat surface Group III nitride semiconductor crystals.
- Epitaxial Substrate Surface Roughness Control for Leakage Current
Optimizing AlN initial layer roughness to 4 nm or more suppresses V pits and improves longitudinal leakage current characteristics.
- Czochralski Growth of Eutectic Ceramic Turbomachine Parts
Controlled rotation during Czochralski growth eliminates microstructural defects in eutectic ceramic ingots, enabling complex geometries.
- Epitaxial Thermoelectric Films on Offcut GaAs Substrates
Vicinal gallium arsenide substrates reduce crack density below one per millimeter while maintaining high deposition rates for reliable devices.
- Transition Metal Chalcogenide Defect Control via Oxygen Injection
Oxygen injection controls chalcogenide vacancies to remove band gap defect states, resolving grain boundary degradation in large-area synthesis.
- Evaporation Device Thermal Screen for OLED Material Protection
A thermal screen interposed between a crucible and heating unit adjusts heat flux distribution along the container body.
- Low-Temperature Metal Deposition for Atomically Flat Superconductor Interfaces
Cooling semiconductor substrates below 260 K during ultra-high vacuum metal deposition produces atomically flat thin films.