Allotropes of iron: forms, structures, and importance Allotropes of iron Overview of iron allotropes (α, β, γ, δ, ε): their crystal structures, temperature/pressure stability ranges, magnetic behavior, role in steelmaking and relevance to Earth's core.
Amorphous solid: structure, properties, formation and applications Amorphous solid An amorphous solid lacks long-range atomic order. This article explains its structure, formation (glass transition), properties, common examples, production methods, characterizati…
Band gap: energy ranges and their role in solids Band gap A band gap is the energy range in a solid where no electronic states exist between valence and conduction bands; it determines electrical, optical and thermal behaviour and underpi…