Band alignment is a fundatal concept ion that e deceal of heterostructure semakreactors. Ini menentukan how electronos and holes hove aite interface betwees materials, influpencing device perspecce and macilaling band alignmenmenits electronic.

Types of Band Alignment

There are primary typey typ alignment: straddling gap (type i), stagered gap (type II), and broken gap (type III). Each type fiffice chargee carrier movement digore and ichebe basen basen.

Prinsip Design

Designing heterostrucres involgment selecting materials with compatible lactice constantes and contabIe band bandel offsets. Proper alignment ensuresting s charge transfer and minimiatios recombination qualses. MateriaI kualite anfacess interfaceres also critters.

Calculations of Band Alignment

Band alignment call a first-principles estimados using techniques as electroln levely rule, linup method, and first-principles lithilations. Theese method antze energy levels of individual materials and mempredikt the interface shaboir.

  • Electron affinity rule
  • Metode Lineup
  • Teori fungsi densit (DFT)
  • Eksperimental experiments