Halide double perovskites comprise an emerging class of semiconductors with tremendous
chemical and electronic diversity. While their band structure features can be understood …

Layered hybrid organic–inorganic lead halide perovskites have intriguing optoelectronic
properties, but some of the most interesting perovskite systems, such as defective …

Metal-halide perovskites are a structurally, chemically, and electronically diverse class of
semiconductors with applications ranging from photovoltaics to radiation detectors and …

In the monolayer limit, 1 T′ WTe 2 is a two-dimensional topological insulator exhibiting the
quantum spin Hall effect and is believed to host an excitonic insulator ground state …

The presence of spin-orbit coupling or noncollinear magnetic spin states can have dramatic
effects on the ground-state and spectral properties of materials, in particular on the band …

Topological surface states (TSS) in the prototypical topological insulator (TI) Bi 2 Se 3 are
frequently characterized using optical probes, but electron-hole interactions and their effect …

A first-principles computational method with self-consistent on-site and intersite Hubbard
functionals is able to treat local and nonlocal Coulomb interactions on an equal footing. To …

Cs2AgBiBr6 is an emerging double perovskite semiconductor with robust stability. However,
its potential for photovoltaics is limited by its indirect band gap and localized electronic …

1D organic metal halide hybrids (OMHHs) exhibit strongly anisotropic optical properties,
highly efficient light emission, and large Stokes shift, holding promise for novel …

The observation of magnetic ordering in atomically thin CrI 3 and Cr 2 Ge 2 Te 6 monolayers
has aroused intense interest in condensed-matter physics and material science. Studies of …