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3N5 (99.95%) Niobium (Nb) Pellets Evaporation Materials, 2mm Dia. x 5-8mm Length - MSE Supplies LLC

3N5 (99.95%) Niobium (Nb) Pellets (2mm Dia. x 5-8mm L) Evaporation Materials

  • £21700


3N5 (99.95%) Niobium (Nb) Pellets (2mm Dia. x 5-8mm L) Evaporation Materials

Niobium (Nb) is a light grey, crystalline and ductile transition metal. Evaporated Niobium thin film is used as metal-based transistors. Niobium coating is used to protect materials from oxidation at elevated temperature and also used to provide better biocompatibility for implantations.  

The main use of niobium (about 75 percent) is in the production of high strength steel alloys used in pipelines, transportation infrastructure and structural applications. It is also used in various superconducting materials, welding, nuclear industries, electronics, optics, numismatics and jewelry. 

The dimensions and purities can be customized upon request. Please contact us for customization or bulk orders.

Name Niobium
Chemical Formula Nb
CAS # 7440-03-1
Molecule Weight (g/mol) 92.91
Atomic Number 41
Color/Appearance Gray, Metallic
Purity ≥99.95%, 3N5
Thermal Conductivity (W/m.K) 54 
Melting Point (°C) 2,468
Coefficient of Thermal Expansion (/K) 7.3 x 10-6
Theoretical Density (g/cm3) 8.57
Z Ratio 0.492
E-Beam Excellent
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  1,728
10-6:  1,977
10-4:  2,287

MSE Supplies offers a variety of crucibles for evaporation materials. We can customize the dimensions based on your requirements.

References:

1. Characteristics of superconducting Nb layer fabricated using high-vacuum electron beam evaporation. Japanese Journal of Applied Physics 40, no. 2R (2001): 576.

2. Electron beam evaporation of oriented Nb films onto GaAs crystals in ultrahigh vacuum. Applied physics letters 49, no. 7 (1986): 422-424.

3. Effect of Nb coating on oxidation behavior of C/C composites. Corrosion science 63 (2012): 182-186.


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