B4 Os2

semiconductor

· B4 Os2

B₄Os₂ is an experimental boron-osmium oxide compound classified as a semiconductor, representing a mixed-valence ceramic material in the boron-transition metal oxide family. While not yet established in commercial applications, this compound is of research interest for its potential in high-temperature electronics, hard coatings, and extreme-environment semiconducting devices, given the known stability and hardness of boron oxides combined with osmium's high density and refractory properties.

high-temperature semiconductor researchhard ceramic coatingsrefractory electronicsextreme-environment applicationsmaterials science research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	307.6	GPa	—
Shear Modulus(G)	178.5	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00320	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1750	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

B4 Os2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control