Al2HgTe4

metal
· Al2HgTe4

Al2HgTe4 is an intermetallic compound combining aluminum, mercury, and tellurium—a rare ternary system with properties bridging metallic and semiconducting character. This material remains largely experimental and primarily of academic or specialized research interest; it belongs to the family of complex metal tellurides that are investigated for thermoelectric, optoelectronic, or quantum material applications where unconventional electronic structures may offer advantages. Engineers would consider this compound only in niche exploratory work in solid-state physics or advanced materials development, rather than for conventional structural or high-volume industrial applications.

thermoelectric researchquantum materials explorationsemiconductor compound developmentlow-temperature physicsexotic intermetallic systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
3,771.3
ksi
4,432.4
ksi
Poisson's Ratio(ν)
0.2700
-
Shear Modulus(G)2 entries
2,283.5
ksi
2,620.8
ksi
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1987
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.116
eV
Dielectric Constant (Relative Permittivity)(εr)3 entries
13.59
-
14.26
-
11.58
range 9.949–13.21median of 2 measurements
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)2 entries
0.06283
C/m²
0.5029
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
-138.2
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.3663
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.