K2SnHgSe4 — Properties & Data | MatWorld

K2SnHgSe4

ceramic

· K2SnHgSe4

K2SnHgSe4 is a quaternary ceramic compound combining potassium, tin, mercury, and selenium—a relatively uncommon combination that belongs to the family of chalcogenide ceramics. This material is primarily of research interest rather than established commercial production, with potential applications in optoelectronic and semiconducting devices that exploit the electronic properties of tin and selenium. The compound's layered ionic structure and the presence of mercury suggests possible use in niche applications requiring specific electrical or optical behavior, though industrial adoption remains limited due to synthesis challenges and the toxicity concerns associated with mercury.

experimental semiconductorsoptoelectronic researchinfrared optics (research phase)chalcogenide material developmentsolid-state physics investigationspecialized ceramics R&D

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,498.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	2,017.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1862	lb/in³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.472	eV	DFT · OptB88vdW
↳	2.401	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	9.348 range 6.917–11.78median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.929	-	DFT · OptB88vdW
↳	5.730	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.08610	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.59	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7368	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

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.

K2SnHgSe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental