Compounds with Polar Metallic Bonding Volume II

Dear Colleagues,

The second volume of this Special Issue of Crystals is meant to collect contributions on polar intermetallics from solid-state chemistry, solid-state physics, crystallography, material sciences, and all related disciplines. The different manifestations of polarity within metallic systems lead to special behavior and unusual combinations of properties. Polarity can indicate the interplay of conduction electrons with magnetic dipoles in the lattice. It can also describe the presence of long-range, ordered electric dipole moments within a ferroelectric metal. Additionally, the term is used when referring to an intermetallic phase crystallizing in a polar space group or when electronegativity differences between the constituent elements of an intermetallic phase induce Coulombic interactions within an overall metallic matrix. To understand the mechanisms in this field, it is necessary to understand the interplay between localized moments of electric or magnetic dipoles, as well as Coulombic monopoles, with the delocalized conduction electrons. For the establishment of structure–property relations for compounds with polar metallic bonding, it is indispensable to present reliable models of their electronic structures.

We would like to publish reports on synthetic approaches toward new polar intermetallics with crystallographic or metallurgic phase characterization and studies on reactivity, physical behavior, and property optimization in applied systems, as well as theoretical studies and method development, with the aim of shedding light on the nature of chemical bonding in polar intermetallic phases. The named topics may be considered only as examples; any advanced topic in the field of polar metallic bonding is welcome.

Dr. Constantin Hoch
Guest Editor

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