Disentangling lattice and electronic contributions to the metal-insulator transition from bulk vs. layer confined RNiO₃.

ABSTRACT: In complex oxide materials, changes in electronic properties are often associated with changes in crystal structure, raising the question of the relative roles of the electronic and lattice effects in driving the metal-insulator transition. This paper presents a combined theoretical and experimental analysis of the dependence of the metal-insulator transition of [Formula: see text] on crystal structure, specifically comparing properties of bulk materials to 1- and 2-layer samples of [Formula: see text] grown between multiple electronically inert [Formula: see text] counterlayers in a superlattice. The comparison amplifies and validates a theoretical approach developed in previous papers and disentangles the electronic and lattice contributions, through an independent variation of each. In

SUBMITTER: Georgescu AB 

PROVIDER: S-EPMC6642372 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature