This paper reviews the current situation in the understanding of alkali adsorption on metal
surfaces, with particular emphasis on recent structural discoveries. We start by describing …

Although thermionic emission has been studied for more than 100 years, recent interest in
novel electron devices for military and civilian use has led to a surge in demand for cathodes …

Tremendous advances in experimental studies of chemisorption revealed that many
phenomena could not be understood and projected by the current theoretical constructs. We …

Hexagonal boron nitride (h-BN) is a prominent member in the growing family of two-
dimensional materials with potential applications ranging from being an atomically smooth …

The interplay between microscopic electronic structure and ordering phenomena is
surveyed for alkali-metal monolayers on metal surfaces. First, the electronic structure of …

Materials that exhibit a low work function and therefore easily emit electrons into vacuum
form the basis of electronic devices used in applications ranging from satellite …

The photoemission signal from the first atomic layer of W (110) is used to assess the nature
of the interaction between the surface atoms of the metal substrate and the adsorbates Na …

The electronic structure of the alkali-metal adatom on metal surfaces is studied by a first-
principles method as a function of adatom coverage (Θ). We employ ''jellium''as a high …

The adsorption of Na on Al (111) at room temperature has been studied by surface extended
x-ray-absorption fine-structure (SEXAFS) experiments as well as by parameter-free …

Diamond with negative electron affinity (NEA) and low work function surfaces are suggested
as a suitable material for electron‐generation applications in vacuum, in particular, as the …