Cl₄Se₄Hg₆ is a mercury-based mixed-halide semiconductor compound combining chlorine, selenium, and mercury in a layered or cluster structure. This is primarily a research material investigated for its semiconductor and optoelectronic properties rather than a widely commercialized engineering material; compounds in this family are of interest for photovoltaic applications, photodetectors, and solid-state electronics due to their tunable bandgap and potential for solution processing. Engineers would consider this material in early-stage device development where mercury-based semiconductors offer advantages in sensitivity or wavelength response, though toxicity, environmental regulations, and manufacturing complexity present significant practical constraints compared to lead halide perovskites or traditional III–V semiconductors.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 3,717.8 | ksi | — | ||
Shear Modulus(G) | 934 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.728 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.3960 | eV/atom | — |