Growth of EuO single crystals at reduced temperatures

Daniel C. Ramirez, Tiglet Besara, Jeffrey B. Whalen, and Theo Siegrist
Phys. Rev. B 95, 014407 – Published 9 January 2017

Abstract

Single crystals of (Eu1xBax)O have been grown in a molten barium-magnesium metal flux at temperatures up to 1000 °C, producing single crystals of (Eu1xBax)O with barium doping levels ranging from x=0.03 to x=0.25. Magnetic measurements show that the ferromagnetic Curie temperature TC correlates with the Ba doping levels, and a modified Heisenberg model was used to describe the stoichiometry dependence of TC. Extrapolation of the results indicates that a sample with Ba concentration of x=0.72 should have a TC of 0 K, potentially producing a quantum phase transition in this material.

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  • Received 13 April 2016

DOI:https://doi.org/10.1103/PhysRevB.95.014407

©2017 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Daniel C. Ramirez1,2, Tiglet Besara1,*, Jeffrey B. Whalen1, and Theo Siegrist1,3

  • 1National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA
  • 2Materials Science and Engineering, Florida State University, Tallahassee, Florida 32310, USA
  • 3Department of Chemical and Biomedical Engineering, Florida A&M University-Florida State University (FAMU-FSU) College of Engineering, Florida State University, Tallahassee, Florida 32310, USA

  • *Corresponding author: besara@magnet.fsu.edu

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Vol. 95, Iss. 1 — 1 January 2017

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