KSb2

ceramic

· KSb2

KSb2 is an intermetallic ceramic compound in the potassium-antimony system, representing a research-phase material rather than a commercial product with established industrial use. Materials in this chemical family are primarily of academic interest for exploring electronic, thermoelectric, or structural properties in exotic ceramic systems. The limited industrial presence of KSb2 reflects its experimental status; engineers would encounter it in advanced materials research contexts rather than in conventional engineering applications, making it most relevant for exploratory projects in materials science, solid-state chemistry, or specialized high-performance applications where novel intermetallic ceramics are being evaluated.

experimental materials researchintermetallic compound developmentsolid-state physics studiesacademic material characterizationemerging ceramic systemsmaterials exploration projects

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,116.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	1,872.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1576	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.2400	eV	DFT · OptB88vdW
↳	0.8550	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	19.96 range 16.68–23.24median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	17.57	-	DFT · OptB88vdW
↳	11.98	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.01333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.01333	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000875	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00272	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-107.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	263.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	27.76	%	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)	-0.3501	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.

KSb2 — Properties & Data | MatWorld

KSb2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental