Magnesium Oxide

(

MgO

)
Eigenschaften 
Transmission Range

0,3 - 7,5µm (thickness 0,49/5,5mm)

Refractive Index

1,73461 @633 nm

Reflection Loss 

6,6% @3 µm

Density  

3.585 g/cm3

Melting point  

2832°C

Molecular Weight 

40.311

Thermal Conductivity  

59 W/(m·K) @300K

Spec. Heat Capacity  

923.5 J/(kg·K)

Thermal Expansion  

11 · 10-6 /°C @300 K

Hardness (Mohs) 

692 (Indenter Load 600g) 

Young's Modulus 

248.73 GPa

Shear Modulus 

154.56 GPa

Bulk Modulus  

155

Fracture Modulus 

130 MPa

Elastic Coefficient 

C11 = 294; C12 = 93; C44 = 155 GPa

Dielectric Constant

9.65 @f = 100 Hz...100 MHz, 298K

Solubility in Water 

0.00062 g/100g

Crystal Structure  

Single crystal, synthetic

Crystal Type  

cubic, NaCl type structure, a0 = 4.212 Å

Cleavage Planes 

(100)

Poisson Ratio  

0.18

Application  

Substrates for superconductive and for pyroelectric thin films, super high temperature crucibles, window material for super high temperature furnaces, optical material

Remarks  

Also available as electrofused material for refractories or ceramics, max. temperature for application: 2000°C, soluble in concentrated acids, ammonium ion, unsoluble in ethanol

Remarkable 
  • Has one of the highest melting points among optical crystals and is therefore suitable for high temperature applications (~ 2000 ° C)
  • Magnesium oxide is an excellent single crystal substrate for thin films of ferromagnetic, photoelectric and high-Tc superconducting materials
  • Maximum diameters are 4 inches
NOTE: Despite careful research, we do not accept any liability for the correctness of the information provided. Liability claims based on the use of the information are excluded in principle.

Magnesium Oxide: Korth Kristalle - Vom Rohkristall zur hochpräzisen Optik. Durchblick für alle Wellenlängen - Seit 72 Jahren züchten wir Kristalle und fertigen daraus hochpräzise optische Komponenten für alle Wellenlängen vom IR- bis zum VUV-Bereich. Unsere Produkte kommen in allen Bereichen zum Einsatz, in denen eine hochentwickelte, präzise technische Ausstattung unerlässlich ist – von der Analytik bis hin zur Medizin- und Raumfahrttechnik.

Contact/Inquiry

Korth Kristalle

Am Jägersberg 3
24161 Altenholz

+49 (0)431 - 36 90 50
+49 (0)431 - 36 90 525

info@korth.de


Contact

Remarkable

  • Has one of the highest melting points among optical crystals and is therefore suitable for high temperature applications (~ 2000 ° C)
  • Magnesium oxide is an excellent single crystal substrate for thin films of ferromagnetic, photoelectric and high-Tc superconducting materials
  • Maximum diameters are 4 inches