A kagome lattice naturally features Dirac fermions, flat bands and van Hove singularities in
its electronic structure. The Dirac fermions encode topology, flat bands favour correlated …

The class of two-dimensional (2D) materials is critical in the domain of scientific investigation
and technology due to its low dimensionality which offers a unique platform to modify the …

Thermoelectric (TE) materials and devices are crucial for renewable thermal-to-electrical
energy conversion applications. The optimization of TE performance can be achieved by …

Perovskite solar cells have shown a strong increase in efficiency over the last 15 years. With
a record power conversion efficiency on small area above 34%, perovskite/silicon tandem …

Weyl semimetal is a unique topological phase with topologically protected band crossings in
the bulk and robust surface states called Fermi arcs. Weyl nodes always appear in pairs with …

Charge density waves (CDWs) in kagome metals have been tied to many exotic
phenomena. Here, using spectroscopic-imaging scanning tunneling microscopy and angle …

The anomalous Nernst effect (ANE) converts heat flux perpendicular to the plane into
electricity, in sharp contrast with the Seebeck effect (SE), enabling mass production, large …

Heat current in ferromagnets can generate a transverse electric voltage perpendicular to
magnetization, known as anomalous Nernst effect (ANE). ANE originates intrinsically from …

Amorphous semiconductors are widely applied to electronic and energy-conversion devices
owing to their high performance and simple fabrication processes. The topological concept …

A thermopile device converts thermal energy to electrical energy. Controlling the polarity of
the thermoelectric voltage that such a device generates is an important part of enhancing its …