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MgO Magnesium Oxide Single Crystal Substrates
SKU: SU0634
High quality MgO magnesium oxide crystals are used are used widely for various thin film applications and as optical windows. Customized MgO crystal substrates and windows are available upon request. Learn more about magnesium oxide crystals from MSE Supplies below.
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Main Parameters |
|
|
Growth method |
Special Arc Melting |
| Typical purity | 99.95% |
|
Crystal structure |
Cubic |
|
Unit cell constant |
a = 4.212 Å |
|
Melting point (°C) |
2800 |
|
Crystal purity |
99.95% |
|
Density |
3.58 (g/cm3) |
|
Hardness |
5.5 (Mohs) |
|
Thermal Expansion Coefficient, CTE (/K) |
11.2 x 10-6 |
|
Crystal orientation |
(100), (110), (111) |
|
Optical transmission |
>90% (200~400nm), >98% (500~1000nm) |
|
Dielectric constant |
9.65 |
|
Sizes |
10x10 mm, 20x20 mm, 1 inch diameter, 2 inch diameter, 60 mm diameter |
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3 inch MgO wafers and 4 inch MgO wafers are available upon request Special sizes and orientations are available upon request |
|
|
Standard thickness |
0.5mm or 1.0mm |
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Polishing |
Single or double side polished (SSP or DSP) |
|
Crystal orientation |
+/- 0.5 degree |
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Surface roughness, Ra: |
< 0.5 nm (5 um x 5 um area) |
|
Package |
packaged with class 100 clean bag in a class 1000 clean room |
Applications of MgO single crystal substrates and optical windows:
- Substrate for high temperature superconducting film formation, such as YBCO film (filter used for communication and space observation)
- Substrate for ferroelectric film formation, such as PZT film (infrared ray sensor used for thermometer and thermoregulator)
- Substrate for diamond growth
- Substrate for magnetic film formation (MRAM, TMR)
- Optical window with anti-reflective (AR) coating - please contact us for a quote
