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Praseodymium (Pr) | 54 x 0,5 mm | 99,9% (Pr/TREM)
Weight: 0.00018 kg
Diameter / thickness: Ø 54 mm x 0.5 mm
Purity: 99.9%
- Description
- Specification
Description
Praseodymium is a chemical element in the periodic table, with symbol Pr and atomic number 59. The name comes from the green colour of its compounds: the Greek word prásinos means ‘leek green’, didymos ‘double’ or ‘twin’. The element is classified as a rare earth metal.
Praseodymium is a soft, silver-white, paramagnetic metal that belongs to the lanthanide family of rare earth metals. It is slightly more resistant to corrosion in air than europium, lanthanum or cerium, but tends to form a green oxide layer that flakes off in air. At 798°C, the hexagonal α-Pr transforms into the body-centred cubic β-Pr.
| Material type | Praseodymium |
| Symbol | Pr |
| Atomic weight | 140.90765 |
| Atomic number | 59 |
| Colour/appearance | Metallic, silvery yellowish-white |
| Thermal conductivity | 13 Watt/m.K |
| Melting point | 931 °C |
| Coefficient of thermal expansion | 6.7 x 10-6/K |
| Theoretical density | 6.77 g/cm³ |
| Z-ratio | 1.00 |
| Sputter | DC voltage |
* This is a recommendation based on our experience with these materials in our sputtering guns. Rates are based on non-bonded targets and are material specific. Bonded targets should be operated at lower power to avoid bonding failure. Bonded targets should be operated at 20 watts/square inch or less depending on the material.
