Description

Germanium Telluride is an inorganic compound with the chemical formula GeTe, widely recognized as a high-performance phase-change material. Its unique ability to rapidly switch between amorphous and crystalline states under electrical or optical stimuli makes it a cornerstone material for next-generation non-volatile memory and data storage technologies. This compound is essential for manufacturers and researchers in the semiconductor, optoelectronics, and advanced materials sectors, particularly for applications in phase-change random-access memory (PCRAM), optical data storage, and thermoelectric devices.

Application

• Phase-Change Memory (PCRAM): Serves as the active layer in non-volatile memory cells, enabling fast switching and high data retention.
• Optical Data Storage: Used in rewritable Blu-ray discs and other advanced optical storage media due to its high reflectivity contrast between states.
• Thermoelectric Devices: Employed in the fabrication of efficient thermoelectric generators and coolers, leveraging its favorable charge carrier properties.
• Infrared Optics: Utilized as a material for lenses, windows, and coatings in infrared detection and imaging systems.
• Semiconductor Research: Acts as a model chalcogenide material for studying ferroelectricity, topological insulators, and other novel electronic phenomena.
• Thin-Film Electronics: Integrated into flexible electronics and sensor applications as a functional thin-film coating.

Basic Information

Product Name	Germanium Telluride
CAS No.	12025-39-7
Molecular Formula	GeTe
Molecular Weight	200.21 g/mol
Synonyms	Germanium monotelluride; Tellurogermane; Germanium(II) telluride; GeTe; Germanium telluride (GeTe); Tellurium germanide
EINECS	234-706-5

Quality Control

Our Germanium Telluride is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as purity, phase composition, and metallic impurities. Our quality systems are designed to meet the exacting standards of advanced materials research and high-tech manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed in a dry environment to prevent oxidation or degradation.

Specification

Item	Specification
Appearance	Gray crystalline pieces or powder
Identification (XRD)	Conforms to GeTe phase
Purity (GeTe)	≥ 99.99%
Phase Purity	Rhombohedral (α-phase) or Cubic (β-phase) available
Metallic Impurities (ICP-MS)	< 10 ppm each
Oxygen Content	< 100 ppm
Particle Size (Optional)	Customizable (e.g., -100 mesh, -325 mesh)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.