81.05.-t Specific materials: fabrication, treatment, testing and analysis Superconducting materials, see 74.70 and 74.72 Magnetic materials, see 75.50 Optical materials, see 42.70 Dielectric, piezoelectric, and ferroelectric materials, see 77.80 Colloids, gels, and emulsions, see 82.70.D, G, k respectivelybiological materials, see 87.14 ( 0 Dok. )

• 81.05.Bx Metals, semimetals, and alloys ( 0 Dok. )
• 81.05.Cy Elemental semiconductors ( 0 Dok. )
• 81.05.Dz II-VI semiconductors ( 0 Dok. )
• 81.05.Ea III-V semiconductors ( 0 Dok. )
• 81.05.Gc Amorphous semiconductors ( 0 Dok. )
• 81.05.Hd Other semiconductors ( 0 Dok. )
• 81.05.Je Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides) ( 0 Dok. )
• 81.05.Kf Glasses (including metallic glasses) ( 0 Dok. )
• 81.05.Lg Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials ( 0 Dok. )
• 81.05.Mh Cermets, ceramic and refractory composites ( 0 Dok. )
• 81.05.Ni Dispersion-, fiber-, and platelet-reinforced metal-based composites ( 0 Dok. )
• 81.05.Pj Glass-based composites, vitroceramics ( 0 Dok. )
• 81.05.Qk Reinforced polymers and polymer-based composites ( 0 Dok. )
• 81.05.Rm Porous materials; granular materials ( 0 Dok. )
• 81.05.Tp Fullerenes and related materials; diamonds, graphite ( 0 Dok. )
• 81.05.Ys Nanophase materials ( 0 Dok. )
• 81.05.Zx New materials: theory, design, and fabrication ( 0 Dok. )