POsS — Properties & Data | MatWorld

POsS

Name: POsS
Brand: MatWorld

semiconductor

· POsS

POsS (likely a phosphorus-oxygen-sulfur compound or a polyphosphazene variant) is a semiconductor material that combines metallic or semi-metallic elements in a structured framework. While not a widely commercialized material, compounds in this family are of research interest for their potential in optoelectronic and electronic applications where unusual bandgap properties or chemical stability are advantageous. Engineers would consider POsS-family materials where conventional semiconductors (Si, GaAs) are unsuitable due to chemical reactivity requirements, thermal stability needs, or specialized optical properties.

optoelectronic deviceshigh-temperature electronicschemical sensorsresearch semiconductorsadvanced ceramics processing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	184.4	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2100	-	DFT · OptB88vdW
Shear Modulus(G)	134.3	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.983	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	1.400	eV	Measured
↳	0.9720	eV	DFT · OptB88vdW
↳	1.143	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	14.94	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.83	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5101	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

POsS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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