Main‐group chalcogenides show outstanding performance for phase‐change data storage
and thermoelectric energy conversion applications. A common denominator for these …

Metavalent bonding has attracted immense interest owing to its capacity to impart a distinct
property portfolio to materials for advanced functionality. Coupling metavalent bonding to …

Developing a non-toxic tellurium-free alternative for PbTe is crucial for large-scale waste
heat recovery. Here we demonstrate that a simple Cu3SbSe4–CuAlS2 composite can reach …

Bi2Te3‐based alloys have great market demand in miniaturized thermoelectric (TE) devices
for solid‐state refrigeration and power generation. However, their poor mechanical …

In thermoelectrics, phase engineering serves a crucial function in determining the power
factor by affecting the band degeneracy. However, for low-symmetry compounds, the …

The long-range periodic atomic arrangement or the lack thereof in solids typically dictates
the magnitude and temperature dependence of their lattice thermal conductivity (κlat) …

Composite engineering favors high thermoelectric performance by tuning the carrier and
phonon transport. Herein, orthorhombic and rhombohedral dual‐phase GeSe are designed …

Half-Heusler compounds can potentially be applied to medium-to high-temperature power
generation. However, most of them have relatively high thermal conductivity, which is …

Alloying SnTe with a well-designed secondary phase, particularly one with low lattice
thermal conductivity, serves as an efficient route to realize excellent thermoelectric …

Grain boundaries (GBs) form ubiquitous microstructures in polycrystalline materials which
play a significant role in tuning the thermoelectric figure of merit (ZT). However, it is still …