ionic crystal


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ionic crystal

[ī′än·ik ′krist·əl]
(crystallography)
A crystal in which the lattice-site occupants are charged ions held together primarily by their electrostatic interaction.
References in periodicals archive ?
Thus, the whole system changed from the covalent crystals to the ionic crystal gradually, and electrostatic interaction increase.
Therefore, regarding the classification of crystal types, calcite should be designated as an ionic crystal. Mineral fracture primarily occurs due to the breaking of the Ca-O bond; the C-O bond is difficult to break.
Pure MgO forms an ionic crystal with cubic NaCl structure consisting of [Mg.sup.2+] and [O.sup.2-].
They showed the cubic structure of common salt (NaCI), proving that it was an ionic crystal. They then progressed onto other crystals.
Two professors at Tokai University chart optical properties from the vacuum ultraviolet region to the infrared region for 102 metal, semiconductor, and ionic crystal materials.
We suspect that the highly tunable, clean and disorder-free doping obtained by shining light on these ionic crystals opens a new era in material discovery.
According to Arrhenius behavior, the nature of cation transport can be deduced to be similar to that in ionic crystals, where ions jump into neighbouring vacant sites [16].
Contributed by scientists from Europe, Asia, and the US, the 30 chapters explain the surface properties of alloys, the properties of surface alloys, surfaces of compound semiconductors, the physical properties of surface silicides, the properties of oxide surfaces, and surfaces of simple ionic crystals, ice, quasicrystals and related intermetallic alloys, and amorphous/glassy materials.
Currently, there is a great interest in the multipurpose application of recently revived substances, organic salts possessing relatively low melting points (also known as "room-temperature ionic liquids," RTILs, or "plastic ionic crystals").
In the case of molecular, atomic, or ionic crystals, the interplanar spacing, d, is in the range of [Angstrom], thus having the capacity of diffracting X-rays.
Since the conductivity--temperature data obeys an Arrhenius relationship, the nature of cation transport is quite similar to that occurring in ionic crystals, where ions jump into neighboring vacant sites and hence increase the ionic conductivity (24).
The new results indicate that beams of ionic crystals should be possible to maintain even in large, high-energy ion accelerators, as long as the beam trajectories are smooth.