TA1001 Tantalum Single Crystal
Tantalum (Ta) is a dark blue-gray metal that is very heavy, ductile and hard and has high corrosion resistance. Tantalum is especially resistant to chemicals at temperatures below 150 °C and can only be dissolved with hydrofluoric acid.
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Descriptions of Tantalum Single Crystal
Tantalum (Ta) is a dark blue-gray metal that is very heavy, ductile and hard and has high corrosion resistance. Tantalum is especially resistant to chemicals at temperatures below 150 °C and can only be dissolved with hydrofluoric acid. It has the fourth highest melting point of all metals and is able to form extremely thin and protective oxide layers for high-quality capacitors, making it an excellent material for a single crystal.
Specifications of Tantalum Single Crystal
Metal single crystal properties
| State: | Single crystal | |
| Crystal structure: | bcc | |
| Production method: | Floating zone | |
| Standard size: | diameter 6-12mm thickness 1-2mm | |
| Orientation: | (100), (110) and (111) | |
| Orientation accuracy: | <2°, <1°, <0.5° or <0.1° | |
| Polishing: | as cut, one or two sides polished | |
| Roughness of surface: | <0.03µm | |
| Purity: | 99.99% | |
| Typical analysis (ppm): | Al < 1 C 80 Co < 3 Cu < 1 Fe 5 | H < 10 N 90 O 120 S < 10 Si 25 Ta balance |
Further Materials properties
| Crystal structure: | (cell dimensions/pm), space group b.c.c. (a=330.29), Im3m |
| Density: | 16.6 g/cm3 |
| X-ray diffractions mass absorption coefficients: | CuKa 166 (µ/r) / cm2g-1 MoKa 95.4 (µ/r) / cm2g-1 |
| Neutron scattering length: | 0.691 b/10-12 cm |
| Thermal neutron capture cross-section: | 20.6 sa / barns |
| Melting point: | 2995.85 °C / 3269 °K |
| Boiling point: | 5424.85±100 °C / 5698±100 °K |
| Molar volume: | 10.87 cm3 |
| Thermal conductivity: | 57.5 [300 K] Wm-1K-1 |
| Coefficient of linear thermal expansion: | 6.6 x 10-6 K-1 |
| Electrical resistivity: | 12.45x10-8 [298 K] Wm |
| Mass magnetic susceptibility: | +1.07 x 10-8(s) kg-1m3 |
| Young's modulus: | 185.7 GPa |
| Rigidity modulus: | 69.2 GPa |
| Bulk modulus: | 196.3 GPa |
| Poisson's ratio: | 0.342 GPa |
| Radii: | Ta5+ 64; Ta4+ 68; Ta3+ 72; atomic 143; covalent 134 |
| Electronegativity: | 1.5 (Pauling); 1.33 (Allred); 4.11 eV (absolute) |
| Effective nuclear charge: | 3.30 (Slater); 9.53 (Clementi); 13.78 (Froese-Fischer) |
| Number of Isotopes (incl. nuclear isomers): | 28 |
| Issotope mass range: | 159 -> 186 |
Applications of Tantalum Single Crystal
* Used in the fabrication of semiconductors.
* Used for lasers and nonlinear optics.
Packaging of Tantalum Single Crystal
Our tantalum single crystals are carefully handled during storage and transportation to preserve the quality of our products in their original condition.
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