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Tunable electronic and magnetic properties in thin film of Eu<sub>1-x</sub>La<sub>x</sub>TiO<sub>3 </sub>(0&lt; x &lt;1)

ORAL

Abstract

We explore the electronic and magnetic transitions of strained thin film Eu1-xLaxTiO3 (0< x <1) grown by oxide molecular beam epitaxy (MBE). In bulk, undoped EuTiO3 (Ti4+) is insulating and antiferromagnetic with a Néel temperature of ~ 5.5 K, while LaTiO3(Ti3+) is a Mott insulator with a Néel temperature of ~ 160K. Previous experiments of doping EuTiO3 or LaTiO3 thin films show novel emergent states, such as antiferromagnetic or ferromagnetic, anomalous Hall effect, and metal-insulator transition. We show the properties of high-quality thin films of Eu1-xLaxTiO3 from x = 0 to x = 1. With a different ratio of Eu2+/La3+, we observe a series of transitions in the films. We will complete the phase diagram of this system.

H. Shin, et al., PHYS. REV. B 101, 214105 (2020)

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Presenters

  • Hyungki Shin

    Quantum Matter Institute, University of British Columbia, University of British Columbia, Department of Physics and Astronomy, University of British Columbia

Authors

  • Hyungki Shin

    Quantum Matter Institute, University of British Columbia, University of British Columbia, Department of Physics and Astronomy, University of British Columbia

  • Chong Liu

    University of British Columbia, Quantum Matter Institute

  • Fengmiao Li

    Quantum Matter Institute, University of British Columbia, University of British Columbia, Quantum Matter Institute

  • Ronny Sutarto

    Canadian Light Source, Canadian Light Source, Saskatoon, SK S7N 2V3, Canada

  • Bruce Davidson

    Quantum Matter Institute, University of British Columbia, University of British Columbia, Quantum Matter Institute

  • Ke Zou

    Quantum Matter Institute, University of British Columbia, University of British Columbia, Department of Physics and Astronomy, University of British Columbia