BaYBr5 — Properties & Data | MatWorld

BaYBr5

ceramic

· JVASP-52373· BaYBr5

BaYBr₅ is a rare-earth halide ceramic compound combining barium, yttrium, and bromine, representing a member of the halide perovskite family. This is primarily a research-phase material investigated for potential optoelectronic and photonic applications, particularly in scintillation detection, radiation sensing, and solid-state lighting where halide perovskites show promise due to their tunable bandgap and efficient photon emission. While not yet in widespread commercial use, materials in this chemical family are of growing interest as alternatives to traditional oxide ceramics in specialized applications requiring specific optical or radiation-response properties.

radiation detection and scintillationresearch optoelectronicshalide perovskite studiesphotonic materials developmentexperimental photon emitters

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1548	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.125	eV	DFT · OptB88vdW
↳	3.828	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.539	-	DFT · OptB88vdW
↳	4.257	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.173	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.630	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000686	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000878	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-276.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	194.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.2000	%	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)	0.08400	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.048	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.

BaYBr5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental