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Germanium Antimony Tellurium | Ge2Sb2Te5 ( (GST225)) / Ge22Sb22Ge25


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Germanium Antimony Tellurium (Ge2Sb2Te5) is a composite semiconductor material composed of tellurium, germanium, and antimony elements. Heeger Materials can provide the best Germanium Antimony Tellurium (Ge2Sb2Te5/Ge22Sb22Ge25) with a purity of 99.99% and 99.999% in the size of lump and powder at a competitive price. The size can be tailored according to specific requirements.

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Purity99.99%-99.9999% (4N-5N)
ProductGermanium antimony tellu

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Germanium Antimony Tellurium (Ge2Sb2Te5) has excellent optoelectronic properties and thermoelectric performance. Heeger Materials offers a selection of over 100 high-purity products, including metals, metal oxides, and metal salts, with 99.999% purity or higher.

High-purity and ultra-high purity Bismuth Germanium Antimony Tellu (Ge2Sb2Te5 / Ge22Sb22Ge25) materials are crucial components for the research, development, and production of advanced technologies that require optimum properties, performance, and quality.


  • Used in high-sensitivity detectors such as infrared detectors, photovoltaic cells, and light-emitting diodes.
  • Used in thermoelectric power generation devices and energy harvesting.
  • Used in infrared detectors, including infrared thermal imaging, infrared remote sensing, and infrared security.


Germanium Antimony Tellurium (Ge2Sb2Te5) is carefully packaged in carton boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition. The vacuum packing is 1kg/bag, 25kg/barrel, or based on specific requirements.

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