Dysprosium Disk

Dysprosium Disk is a high-purity rare earth metal form notable for its exceptional magnetic properties, including strong ferromagnetism below 90 K and a high saturation magnetization when oriented correctly in an external magnetic field. It also exhibits significant thermal neutron absorption capacity, making it valuable in specialized engineering environments. Primary industries utilizing Dysprosium Disks include advanced magnetics, cryogenics, and high-precision instrumentation. Specific applications range from enhancing NdFeB permanent magnets for improved high-temperature performance, to serving as a field concentrator in next-generation cryogenically cooled undulators, and supporting magneto-optical devices requiring stable magnetic behavior. Its combination of high magnetic anisotropy and rare-earth durability makes it critical for research into novel magnetic materials, compact high-field devices, and advanced beamline technologies. In both scientific and industrial contexts, Dysprosium Disk delivers unique performance attributes that drive innovation in demanding environments.

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Tolerance

Properties

Reference & Citations

Flammable

each

Tolerances

Disc

Thickness	>0.05mm	±10%
Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±15%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	66
Crystal structure	Hexagonal close packed
Electronic structure	Xe 4f¹⁰ 6s²
Valences shown	3
Atomic weight( amu )	162.5
Thermal neutron absorption cross-section( Barns )	930
Natural isotope distribution( Mass No./% )	164/ 28.20
Natural isotope distribution( Mass No./% )	160/ 2.34
Natural isotope distribution( Mass No./% )	163/ 24.90
Natural isotope distribution( Mass No./% )	158/ 0.10
Natural isotope distribution( Mass No./% )	156/ 0.06
Natural isotope distribution( Mass No./% )	161/ 18.90
Natural isotope distribution( Mass No./% )	162/ 25.50
Atomic radius - Goldschmidt( nm )	0.177
Ionisation potential( No./eV )	1/ 5.93
Ionisation potential( No./eV )	2/ 11.67

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Poisson's ratio	0.232
Bulk modulus( GPa )	39.2
Tensile modulus( GPa )	63.1
Hardness - Vickers( kgf mm⁻² )	55
Tensile strength( MPa )	248
Yield strength( MPa )	228

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	91@20@20°C
Temperature coefficient( K⁻¹ )	0.0012@0-100°C

Physical Properties

Element	Value
Boiling point( C )	2562
Density( gcm⁻³ )	8.536@20°C

Thermal Properties

Element	Value
Melting point( C )	1412
Latent heat of evaporation( J g⁻¹ )	1725
Latent heat of fusion( J g⁻¹ )	105
Specific heat( J K⁻¹ kg⁻¹ )	173@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	10.7@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	8.6@0-100°C