The lanthanum Hexaboride (LaB6) Ring has a melting point of 2528 K, LaB6 is a refractory ceramic material. Stanford Materials Corporation (SMC) supplies our customers with a high-quality Lanthanum Hexaboride ceramic ring (LaB6 ceramic).
Lanthanum Hexaboride (LaB6, also called lanthanum boride and LaB6) is an inorganic chemical. With a melting point of 2528 K, the LaB6 ring is a refractory ceramic material, which is insoluble in water or hydrochloric acid and very stable in a vacuum. Stoichiometric samples are colored intensely purple-violet, while boron-rich ones (above LaB6.07) are blue. Ion bombardment changes its color from purple to emerald green. LaB6 is a superconductor with a relatively low transition temperature of 0.45 K.
Lanthanum Hexaboride (LaB6) Ring Specification
Product
Lanthanum Hexaboride
Structure
Polycrystalline
Symbol
LaB6
Thermal Conductive
47 W/mK (20℃)
Cas No.
12008-21-8
Thermal Expansion
6.2 10-6K-1 (20-900℃)
Atomic Mass
203.78 g/mol
Electrical Resistance
ca.15 μΩ cm (20℃)
Density
4.72 g/cm3
Electrical Conductive
6.65x104 S/cm (20℃)
Melting Point
2528 K
Currenty Denstiy
150 A/cm2 (1950℃)
Hardness
87.5 RA
Electron Emissivity
2.6 eV
Flexure Strength (σ)
200 Mpa
Fracture toughness (Kic)
3.0 MN/m3/2
Lanthanum Hexaboride (LaB6) Ring Chemical Composition
LaB6 (% min.)
99.9%
B(% min.)
31%
Rare Earth Impurities
Non-RE Impurities
Ce
<120ppm
Fe
<250ppm
Pr
<150ppm
Si
<100ppm
Nd
<180ppm
Ca
<90ppm
Sm
<112ppm
C
<300ppm
Y
<250ppm
Mg
<100ppm
Ti
<100ppm
Lanthanum Hexaboride (LaB6) Ring Applications:
Thermionic emission (cathode)
Plasma source for plasma-enhanced coating(PECVD)
Vacuum electron beam welding machine
Electron beam surface reforming device
Electron beam lithography device
Transmission electron microscope
Scanning electron microscope
Surface analysis device
Radiotherapy devices
Lanthanum Hexaboride (LaB6) Ring Packaging:
SMC’s LaB6 ceramics are carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.