MgO Magnesium Oxide
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 |
Rupture 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 |
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MgO – 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
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