Product Code : EM-Nb-5N-Cu
Niobium, formerly columbium, is a chemical element with the symbol Nb (formerly Cb) and atomic number 41. It is a soft, grey, ductile transition metal, often found in the minerals pyrochlore and columbite.
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Product Information
Niobium, formerly columbium, is a chemical element with the symbol Nb (formerly Cb) and atomic number 41. It is a soft, grey, ductile transition metal, often found in the minerals pyrochlore and columbite.
ATT provides high-quality Germanium (Ge) Evaporation Materials for research and industry purposes at competitive prices. We can provide Germanium (Ge) Evaporation Materials with different purity, size, and density according to your requirements.
Material Type: Niobium
Symbol: Nb
Color/Appearance: Gray, Metallic
Synonyms
Columbium
Niobium (Nb) Evaporation Materials Specification
Size：Pellet / Wire / Rod / Slug / Tablet / Customized
Per your request or drawing
We can customized as required
Properties（Theoretical）
| Molecular Weight | 92.9 |
| Appearance | Silvery |
| Melting Point | 2477 °C |
| Boiling Point | 4744 °C |
| Density | 8.57 g/cm3 |
| Solubility in H2O | N/A |
| Electrical Resistivity | 152 Ω ·m (0 °C) |
| Electronegativity | 1.6 Paulings |
| Heat of Vaporization | 689.9 kJ/mol |
| Poisson's Ratio | 0.4 |
| Specific Heat | 0.27 kJ/kg·K |
| Tensile Strength | N/A |
| Thermal Conductivity | 5.37 W/m ·K |
| Thermal Expansion | 7.3 µm/(m·K) |
| Vickers Hardness | 1320 MPa |
| Young's Modulus | 105 GPa |
Application of Niobium (Nb) Evaporation Materials
• Used in deposition processes including semiconductor deposition, chemical vapor deposition (CVD) and physical vapor deposition (PVD)
• Used for optics including wear protection, decorative coatings, and displays.
Packing of Niobium (Nb) Evaporation Materials
Standard Packing:
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes Special package is available on request. They are vacuum sealed. The MSDS and Material Certification Sheets will be packed with the product.
ATTs’Niobium (Nb) Evaporation Materials is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.
Chemical Identifiers
| Linear Formula | Nb |
| MDL Number | MFCD00011126 |
| EC No. | 231-113-5 |
| Beilstein/Reaxys No. | N/A |
| Pubchem CID | 23936 |
| SMILES | [Nb] |
| InchI Identifier | InChI=1S/Nb |
| InchI Key | GUCVJGMIXFAOAE-UHFFFAOYSA-N |
