Nature Communications (Dec 2019)

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

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

DOI
https://doi.org/10.1038/s41467-019-13046-z
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 7

Abstract

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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.