KSb2Se4 — Properties & Data | MatWorld

KSb2Se4

ceramic

· JVASP-10570· KSb2Se4

KSb2Se4 is a quaternary chalcogenide ceramic compound combining potassium, antimony, and selenium—a material class of significant interest in solid-state physics and materials research. While not yet established in mainstream industrial production, compounds in this family are being investigated for infrared optics, thermoelectric devices, and solid-state electronics where their layered crystal structure and chalcogenide chemistry offer potential advantages in photon management and thermal transport. Engineers considering this material should recognize it as an emerging research compound rather than a drop-in replacement for conventional ceramics; its value lies in exploratory applications where its unique electronic and optical properties justify custom synthesis and characterization.

infrared optics and windowsthermoelectric materials researchsolid-state electronics prototypingnonlinear optical devicesphase-change memory studiesexploratory photonics applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	25.19	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	13.41	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.810	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.091	eV	DFT · OptB88vdW
↳	1.772	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	13.33	-	DFT · OptB88vdW
↳	9.089	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.133	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.173	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00197	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00100	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-288.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	245.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	27.87	%	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)	0.00340	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5262	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.

KSb2Se4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental