• Fysikvej, 310, 238

    2800 Kgs. Lyngby

    Denmark

Accepting PhD Students

20122022

Research activity per year

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Felix Trier is a Senior Researcher (Associate Professor) in the research section ‘Functional Oxides’ at the Department of Energy Conversion and Storage, Technical University of Denmark (DTU), where he leads the activities on oxide spintronics. During his career, he has made several major discoveries relating to the electronic conduction at confined oxide heterointerfaces. His contributions can be grouped in three different areas:

  1. Demonstration of the quantum Hall effect: His main achievement during his Ph.D. studies was the first experimental demonstration of the quantum Hall effect in a SrTiO3-based heterointerface (F. Trier et al., Phys. Rev. Lett. 117, 96804 (2016)). This discovery was important as it provided experimental proof of a two-dimensional electron gas (2DEG) at the interface.

  2. Highest electron mobility 2DEGs: In his Ph.D. studies, he moreover played a key role in the development of 3 of the highest electron mobility 2DEGs ever reported in SrTiO3 with second or third authorships in the associated publications that to-date together have accumulated more than 400 citations (Y.Z. Chen, F. Trier et al., Nat. Commun. 4, 1371 (2013) ; Y. Z. Chen, F. Trier et al., Nano Lett. 15, 1849 (2015) ; Y. Z. Chen, F. Trier et al., Nat. Mater. 14, 801 (2015)). The earliest of these publications impressively still represents the standing world record for electron mobility and holds the Web of Science distinction 'Highly Cited Paper' placing it in the top 1% of its field.

  3. Spin/charge interconversion in SrTiO3-based heterointerfaces: His postdoc research on spin/charge interconversion has led to 4 shared first-author publications in e.g. Nature (P. Noël, F. Trier et al., Nature 580, 483 (2020)) and 1 first-author publication in Nano Letters (F. Trier et al., Nano Lett. 20, 395 (2020)). These authorships represent the majority of the bibliographic record on spin/charge interconversion in SrTiO3-based heterointerfaces and therefore underlines the significance of his contribution to this emerging field.

Moreover, he is shared first-author of 2 invited reviews on the topic of SrTiO3-based 2DEGs (F. Trier et al., Journal of Physics D 51, 293002 (2018); D.V. Christensen, F. Trier et al., Advanced Materials Interfaces 6, 1900772 (2019)) and 1 invited review on oxide spin-orbitronics (F. Trier et al. Nature Reviews Materials 7, 258 (2022)).

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 9 - Industry, Innovation, and Infrastructure

Keywords

  • User defined:
  • Oxides
  • Spintronics
  • Two-Dimensional Electron Gases
  • Nanofabrication
  • Devices

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