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Features
CAS Number: | 7439-88-5 |
Linear Formula: | Ir |
Purity: | 99%, 99.9%, 99.95% |
Shape: | Cylindrical or conical |
Type: | welded, solid-drawn bottom or seamless |
Surface： | Polished |
Size: | Customized |
Iridium Crucible Description
At SSC, we make high-quality iridium crucibles that fit your needs. Our crucibles come in different sizes, like round and square ones. They have different diameters and thicknesses to fit your needs perfectly.
Iridium crucibles are important for the Czochralski method of crystal growth. In this process, seed crystals are carefully put into the molten raw materials. The mixture is turned carefully and slowly pulled up. This process makes crystals that are good enough for different applications. Some crystals made this way include lithium tantalite crystals used in noise filters for cell phones and sapphire crystals used as substrates for LEDs.
Iridium is a great material for making crystals because it has special properties. With a melting point of 2,400°C, iridium crucibles can withstand the extreme temperatures needed for the CZ method without losing their structural integrity. Iridium is also very resistant to corrosion, which makes the crystal growth process pure and clean.
Whether you work in the semiconductor, electronics, or optoelectronics industry, our iridium crucibles are made to work well and last a long time. They meet the tough requirements of crystal growth. SSC has high-quality iridium crucibles that can grow crystals in your applications.
Chemical Composition
Ir(%) | Impurities (PPM): | Ag | Au | Be | Ca | Cr | Mg | Ni | Pd | Ru | Si | Zn | Al | B | Bi | Cd |
2 | 3 | - | 6 | 3 | 2 | 3 | 22 | 15 | 4 | 21 | 7 | <2 | 2 | <2 | ||
Os | Pt | Sb | Sn | Zr | As | Co | Cu | Mo | Pb | Rh | Se | Te | Cs | Mn | ||
3 | 18 | 11 | 3 | 2 | <2 | <2 | 3 | <2 | 3 | 42 | 5 | <2 | - | <2 |
Iridium Crucible Applications and Related Industries
● Single crystal growth (Czochralski method)
Chemical Identifiers
Linear Formula | Ir |
MDL Number | MFCD00011062 |
EC No. | 231-095-9 |
Beilstein/Reaxys No. | N/A |
Pubchem CID | 23924 |
SMILES | [Ir] |
InchI Identifier | InChI=1S/Ir |
InchI Key | GKOZUEZYRPOHIO-UHFFFAOYSA-N |
Iridium Crucibles Properties (Theoretical)
Molecular Weight | 192.22 |
Appearance | Gray |
Melting Point | 2410 °C |
Boiling Point | 4130°C |
Density | 22.42 g/cm3 |
Solubility in H2O | N/A |
Electrical Resistivity | 5.3 microhm-cm @ 20°C |
Electronegativity | 2.2 Paulings |
Heat of Fusion | 6.6 Cal/gm mole |
Heat of Vaporization | 152 K-cal/gm atom at 4130°C |
Poisson's Ratio | 0.26 |
Specific Heat | 0.0317 Cal/g/K @ 25 °C |
Tensile Strength | N/A |
Thermal Conductivity | 1.47 W/cm/K @ 298.2 K |
Thermal Expansion | 6.4 µm/(m·K) |
Vickers Hardness | 1760 MPa |
Young's Modulus | 528 GPa |
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