Materials with ultrahigh or low thermal conductivity are desirable for many technological
applications, such as thermal management of electronic and photonic devices, heat …

Thermoelectric energy conversion is an all solid-state technology that relies on exceptional
semiconductor materials that are generally optimized through sophisticated strategies …

Ultralow thermal conductivity and fast ionic diffusion endow superionic materials with
excellent performance both as thermoelectric converters and as solid-state electrolytes. Yet …

Efficient manipulation of thermal conductivity and fundamental understanding of the
microscopic mechanisms of phonon scattering in crystalline solids are crucial to achieve …

Thermoelectricity offers a sustainable path to recover and convert waste heat into readily
available electric energy, and has been studied for more than two centuries. From the …

The rising demand for energy has accelerated the search for clean and renewable sources
and newer approaches towards efficient energy management. One of the most promising …

Thermoelectric generators, capable of directly converting heat into electricity, hold great
promise for tackling the ever-increasing energy sustainability issue. The thermoelectric …

Due to the nature of their liquid‐like behavior and high dimensionless figure of merit, Cu2X
(X= Te, Se, and S)‐based thermoelectric materials have attracted extensive attention. The …

Aliovalent doping is a way to optimize the electrical properties of semiconductors, but its
impact on the phonon structure and propagation is seldom considered properly. Here we …

For several decades, thermoelectric advancements have largely relied on the reduction of
lattice thermal conductivity (κL). According to the Boltzmann transport theory of phonons, κL …