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Praseodymium Hexaboride Powder PrB6 CAS 12008-27-4

PrB₆ is a rare-earth boride ceramic exhibiting exceptional hardness (HV ~27 GPa), low work function (2.7 eV), and unique magnetic properties. This violet-black crystalline material serves critical roles in electron emission systems, ultra-high temperature components, and quantum materials research.

  • Enhanced Thermal Stability: 
    10% lower vapor pressure than LaB₆ at 1800°C
  • Emission Performance: 
    Work function 2.7 eV (vs. LaB₆ 2.6 eV)
    50,000+ hour cathode lifetime
  • Manufacturing Innovation: 
    Hot-pressed to >98% theoretical density
    Single crystal growth via floating zone

    Properties

        • Crystal Structure: Cubic (CsCl - type), with Anisotropic properties
          Density: 4.85 g/cm³, Lighter than tungsten cathodes
          Melting Point: 2210°C, Superior to LaB₆ in thermal stability
          Thermionic Emission: 10 A/cm² @ 1700°C, High current density electron source
          Magnetic Ordering: Antiferromagnetic (TN = 7K), Quantum material candidate
          Microhardness: 2600 - 2800 kg/mm², Wear - resistant coatings

    Products Usage

    1. Electron Emission Systems: 
    Cathodes for SEM/TEM (replacing LaB₆)
    Plasma ignition electrodes
    2. Ultra-High Temperature Tech: 
    Leading edges for hypersonic vehicles
    Crucibles for rare-earth metal refining
    3. Advanced Research: 
    Kondo lattice behavior studies
    Topological material substrates
    4. Nuclear Engineering: 
    Neutron absorption coatings
    Control rod additives
    Packing:
    Our normal packaging is 25kgs/Drum
    The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.
    Remark: Chemical composition and size can be optimized by the customers' requirements固体 通用s27集装zs2
    Conditions for safe storage, including any incompatibilities
    Separated from ammonia, strong hydrogen peroxide solutions and strong acids.

    Safety Protection

    Precautions for safe handling
    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

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