GePtSe — Properties & Data | MatWorld

GePtSe

metal

· GePtSe

GePtSe is a ternary intermetallic compound combining germanium, platinum, and selenium, representing an emerging material in the thermoelectric and semiconductor research space. This compound belongs to the family of multinary chalcogenides being investigated for energy conversion applications where unusual electronic and thermal transport properties are valued. While not yet widely deployed in mainstream engineering, GePtSe and related Ge-Pt-Se systems are of interest to researchers developing next-generation thermoelectric devices and potentially optoelectronic components where the interaction of heavy elements (Pt) with semiconducting frameworks offers tailored band structure and phonon scattering.

thermoelectric devices (research phase)waste heat recoverysemiconductor researchhigh-temperature energy conversionmaterials characterization studies

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	17,488.9	ksi	DFT
↳	17,140.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	9,541.5	ksi	DFT
↳	9,655.2	ksi	DFT · OptB88vdW

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
Density(ρ)	0.3615	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4370	eV	DFT · OptB88vdW
↳	0.6220	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	24.18 range 21.29–27.07median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	20.33	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1991	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.29	%	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)	-0.5692	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

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GePtSe

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