4.6 Article

Layer-by-layer epitaxial thin films of the pyrochlore Tb2Ti2O7

Journal

NANOTECHNOLOGY
Volume 28, Issue 5, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/aa5112

Keywords

epitaxial thin films; Tb2Ti2O7; frustrated magnets; RHEED-PLD; strain engineering

Funding

  1. Leverhulme Trust through the Early Career Fellowship program [ECF2014-284]
  2. EPSRC [EP/K028960/1]
  3. EPSRC [EP/K028960/1] Funding Source: UKRI
  4. Engineering and Physical Sciences Research Council [EP/K028960/1] Funding Source: researchfish

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Layer-by-layer epitaxial growth of the pyrochlore magnet Tb2Ti2O7 on the isostructural substrate Y2Ti2O7 results in high-quality single crystal films of up to 60 nm thickness. Substrate-induced strain is shown to act as a strong and controlled perturbation to the exotic magnetism of Tb2Ti2O7, opening up the general prospect of strain-engineering the diverse magnetic and electrical properties of pyrochlore oxides.

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