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scmgalo4
scmgalo4

ScMgAlO4 Substrates

ScAlMgO4 (MgScAlO4 or SCAM) is a new substrate material for GaN and ZnO heteroepitaxy, it has the smallest lattice mismatch with GaN and ZnO. ScAlMgO4 crystal belongs to hexagonal system with lattice constant a=0.3246 nm, c=2.5195 nm, It has similar structure to wurtzite nitrite and zinc oxide.


OST Photonics offers high quality ScAlMgO4 substrates for researchers and industries. Crystal size and thickness can be customized according to your requirements.


Application of ScMgAlO4 Substrates


  • Substrate material for GaN and ZnO heteroepitaxy


Advantages of ScMgAlO4 Substrates


  • Best lattice match with GaN and ZnO

  • HIGH transmisson

  • High slope efficiency


Ability of ScMgAlO4 Substrates


  • Orientation:<0001>, etc.

  • Dimension: 5x5mm, 10x10mm, 15x15mm, 20x20mm, etc.

  • Thickness: 0.5mm, 1.0mm, etc.

  • Available items: substrates, blanks and customized optics


Specification and Properties of ScMgAlO4 Substrates


Crystal Structure

Hexagonal

Lattice Constant

a=0.3246 nm, c=2.5195 nm

Density

3.64 g/cm3

Hardness

4-5 Mohs

Thermal Expansion Coefficient

7.45x10^-6 /℃

Orientation

<0001>, etc.

Orientation Tolerance

±0.5° or better

Dimension

5x5mm, 10x10mm, 15x15mm, 20x20mm, etc.

Dimension Tolerance

±0.1 mm or better

Thickness

0.5mm, 1.0mm, etc.

Thickness Tolerance

±0.05 mm or better

Surface Finish

Single side polished (SSP)/Double sides polished (DSP)

Surface Roughness

Ra≤5Å (5µmx5µm)

Package

Class 100 clean bag, Class 1000 super clean room


Contact Us
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Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
sales@ostphotonics.com; info@ostphotonics.com +86-0571-86780460