Controlling a Van Hove singularity and Fermi surface topology at a complex oxide heterostructure interface

oleh: Ryo Mori, Patrick B. Marshall, Kaveh Ahadi, Jonathan D. Denlinger, Susanne Stemmer, Alessandra Lanzara

Format: Article
Diterbitkan: Nature Portfolio 2019-12-01

Deskripsi

A singularity in a material’s density of states at the Fermi energy can drive the formation of unconventional electronic phases. Here the authors show a Van Hove singularity is tunable across the Fermi energy in an oxide heterostructure, leading to enhanced electronic correlations.