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PUBLICATIONS

Quantum Oscillations from the Reconstructed Fermi Surface in Electron-Doped Cuprate Superconductors

Published

Author(s)

J. S. Higgins, M. K. Chan, Tarapada Sarkar, R. McDonald, R. L. Greene, Nicholas Butch

Abstract

We have studied the electronic structure of electron-doped cuprate superconductors via measurements of high-field Shubnikov-de Haas oscillations in thin films. In optimally doped and overdoped Pr2-xCexCuO4±δ and Lad2-x^CexCuO4±δ, quantum oscillations indicate the presence of a small Fermi surface, demonstrating that electronic reconstruction is a general feature of the electron-doped cuprates, despite the location of the superconducting dome at very different doping levels. Negative high-field magnetoresistance is correlated with an anomalous low-temperature change in scattering that modifies the amplitude of quantum oscillations. This behavior is consistent with effects attributed to magnetic fluctuations.
Citation
New Journal of Physics
Volume
20
Issue
4
Pub Type
Journals

Download Paper

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Keywords

cuprate, superconductivity, quantum oscillations
Condensed matter

Citation

Higgins, J. , Chan, M. , Sarkar, T. , McDonald, R. , Greene, R. and Butch, N. (2018), Quantum Oscillations from the Reconstructed Fermi Surface in Electron-Doped Cuprate Superconductors, New Journal of Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=924437 (Accessed November 7, 2025)

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Created April 11, 2018, Updated October 12, 2021
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