Germanium Antimony Telluride Sputtering Target Ge<sub>2</sub>Sb<sub>2</sub>Te<sub>5</sub>,  MSE Supplies

Germanium Antimony Telluride Sputtering Target Ge2Sb2Te5

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Germanium Antimony Telluride Sputtering Targets Ge2Sb2Te5 are available in various sizes from 2 inch to 4 inch diameter. Germanium Antimony Telluride Sputtering Targets Ge3Sb2Te6 are also available.

Typical purity: 99.99%

GeSbTe (germanium-antimony-tellurium or GST) is a phase-change material from the group of chalcogenide glasses used in rewritable optical discs and phase-change memory applications. Its recrystallization time is 20 nanoseconds, allowing bitrates of up to 35 Mbit/s to be written and direct overwrite capability up to 106 cycles. It is suitable for land-groove recording formats. It is often used in rewritable DVDs. New phase-change memories are possible using n-doped GeSbTe semiconductor. The melting point of the alloy is about 600°C (900 K) and the crystallization temperature is between 100 and 150°C.

To add a Cu Backing Plate with Indium Bonding for Sputtering Targets  

Germanium Antimony Telluride Theoretical Properties

Compound Formula Ge2Sb2Te5
Molecular Weight 322 g/mol (GeSbTe) / 1026.8 (GeSbTe - Ge2Sb2Te5)
Appearance Crystalline solid
Melting Point 600°C
Boiling Point N/A
Density 6.35 g/cm3

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