Osmium ditelluride, OsTe₂

Osmium ditelluride OsTe₂ is a binary compound of osmium and tellurium.

Substance identification

The formula OsTe₂ confirms osmium ditelluride. The calculated mass fraction of osmium is about 42.68%, which falls within the historical TU range of 41.85–43.30%. CAS is not specified.

Confirmed characteristics

• Formula: OsTe₂
• Osmium: 41.85–43.30% per TU 6-09-05-915-78
• Calculated Os fraction: about 42.68%
• Appearance: dark gray powder
• Item number: 5162754

Applications and preparation

OsTe₂ is studied as a solid-state chalcogenide compound, including crystal structure and electronic properties. This information does not confirm the characteristics of a specific powder: phase composition, particle size, impurity phases, and thermal history significantly affect the result.

The material is selected according to the required phase and confirmed by X-ray diffraction analysis. For synthesis or sintering, set the atmosphere, temperature regime, and impurities; parameters cannot be transferred from another telluride. The sample weight is calculated based on the actual Os and Te content.

What to confirm before ordering

Request CoA and SDS with the formula OsTe₂, results of Os and Te analysis, phase composition, particle size distribution, and impurities. Clarify whether the material is single-phase, by what method this was determined, and how it was stored. For surface studies, agree on specific surface area; for heat treatment, agree on permissible atmosphere and decomposition products.

Safe handling

Dust of osmium and tellurium compounds must not enter the respiratory tract, eyes, or skin. Work in a fume hood or closed equipment, use gloves, goggles, and respiratory protection per SDS. Heating is carried out only with monitoring of gaseous products. Powder, filters, containers, and wash solutions are collected separately as heavy metal waste.