Work

Interface density driven metal-to-insulator transition in nickelate based heterostructures

Year: 2025

Type: article

Abstract: Heterostructures made of alternating metallic layers of Nd 0.7 La 0.3 NiO 3 and layers displaying a metal-to-insulator transition (such as SmNiO 3 ) have been grown varying the period of the superlattices on top of LaAlO 3 substrates. Exploiting the phase boundary cost found between metallic and insulating phases of nickelates, it is shown that a metallic layer can be turned into an insulating one by means of heterostructuring in an intermediate thickness regime in which the single layers retain their metallic behavior.

Source: Physical Review Materials

DOI: 10.1103/syz5-9cbc

Authors: Lucia Varbaro, Lukas Korosec, Chih-Ying Hsu, Duncan T. L. Alexander, Alexandru B. Georgescu, Jean-Marc Triscone

Institutions: University of Geneva, École Polytechnique Fédérale de Lausanne, Indiana University Bloomington, Indiana University

Language: English

Topic: Electronic and Structural Properties of Oxides

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: hybrid

Funders: Indiana University, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Awards: Structural and electronic coupling at oxide interfaces, Structural and electronic properties of oxide structures and oxide interfaces