Y2Ti2S2O5 is an oxysulfide ceramic compound combining yttrium, titanium, sulfur, and oxygen—a relatively uncommon material class that bridges traditional oxide ceramics with sulfide chemistry. This is primarily a research and development material rather than a widely commercialized engineering ceramic; it represents exploration into mixed-anion ceramics that may offer unique combinations of thermal, electronic, or mechanical properties not achievable in conventional oxides or sulfides alone. Interest in such oxysulfides is driven by potential applications in high-temperature structural components, thermal barrier systems, or functional ceramics where the sulfide component can modify thermal conductivity, oxidation resistance, or sintering behavior compared to pure oxide analogs.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 20,538.8 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3100 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 9,658.1 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1518 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.6790 | eV | DFT · OptB88vdW | ||
| ↳ | 1.091 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 21.24 range 6.930–35.56median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 7.155 | - | DFT · OptB88vdW | ||
| ↳ | 6.303 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 32.95 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.118 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data