Projects per year
Abstract
Spin-polarized scanning tunneling microscopy (SP-STM) has been used extensively to study magnetic properties of nanostructures. Using SP-STM to visualize magnetic order in strongly correlated materials on an atomic scale is highly desirable, but challenging. We achieved this goal in iron tellurium (Fe1+yTe), the nonsuperconducting parent compound of the iron chalcogenides, by using a STM tip with a magnetic cluster at its apex. Our images of the magnetic structure reveal that the magnetic order in the monoclinic phase is a unidirectional stripe order; in the orthorhombic phase at higher excess iron concentration (y > 0.12), a transition to a phase with coexisting magnetic orders in both directions is observed. It may be possible to generalize the technique to other high-temperature superconductor families, such as the cuprates.
Original language | English |
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Pages (from-to) | 653-656 |
Number of pages | 4 |
Journal | Science |
Volume | 345 |
Issue number | 6197 |
Early online date | 31 Jul 2014 |
DOIs | |
Publication status | Published - 8 Aug 2014 |
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Dive into the research topics of 'Real-space imaging of the atomic-scale magnetic structure of Fe1+yTe'. Together they form a unique fingerprint.Projects
- 1 Finished
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Topological Protection and NonEquilibriu: Topological Protection and NonEquilibrium States in Strongly Correlated Electron Systems
Wahl, P. (PI), Baumberger, F. (CoI), Davis, J. C. (CoI), Green, A. (CoI), Hooley, C. (CoI), Keeling, J. M. J. (CoI) & Mackenzie, A. (CoI)
1/09/11 → 31/08/17
Project: Standard
Profiles
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Peter Wahl
- School of Physics and Astronomy - Professor, Director of Research
- Centre for Designer Quantum Materials
- Condensed Matter Physics
Person: Academic