Electronic and Structural Properties of a 4d-Perovskite: Cubic Phase of SrZrO$_3$

TL;DR

This study uses first-principles density functional calculations to analyze the electronic properties of the cubic phase of SrZrO$_3$, comparing it with SrTiO$_3$, revealing detailed insights into their band structures and electronic characteristics.

Contribution

It provides a detailed first-principles comparison of the electronic structures of SrZrO$_3$ and SrTiO$_3$ in their high-temperature cubic phases.

Findings

SrZrO$_3$ is an insulator with specific band structure features.

Comparison reveals similarities and differences in electronic properties.

Results align with existing literature data.

Abstract

First-principles density functional calculations are performed within the local density approximation to study the electronic properties of SrZrO$_3$, an insulating 4d-perovskite, in its high-temperature cubic phase, above 1400 K, as well as the generic 3d-perovskite SrTiO$_3$, which is also a d^0-insulator and cubic above 105 K, for comparison reasons. The energy bands, density of states and charge density distributions are obtained and a detailed comparison between their band structures is presented. The results are discussed also in terms of the existing data in the literature for both oxides.