Korth Kristalle GmbH

Refractive Index

 
 

Lanthanum Fluoride (

LaF3

)

Properties (LaF3)   
Transmission Range (50% of total transmission)   0,2 - 11 µm (thickness 1mm) µm  
Refractive Index   no = 1,602 @633 nm, ne = 1,595 @633 nm
Density   5,94 g/cm3  
Melting Point   1493°C 
Molecular Weight  195,90 
Thermal Conductivity   || 5,1 W/m·K bei 300 K
Heat Capacity   506 J/K·kg  
Thermal Expansion   perp. C17|| C11·10-6 /288K 
Hardness (Mohs)   450 (kg/mm²) 
Young`s Modulus    
Shear Modulus    
Bulk Modulus      
Rupture Modulus       
Elastic Coefficient   C33= 169,2 GPa; C44= 36,79 GPa;C55= 60,54 GPa   
Dielectric Constant      
Solubility in Water   unsoluble   
Crystal Structure  Single crystal, synthetic  
Crystal Type  trigonal     
Cleavage Planes     
Poisson Ratio     
Application   ion selective electrode; only small diameter, unsoluble in acids, doped with Eu   

 

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