Kavli Affiliate: Joseph Falson
| First 5 Authors: Reiley Dorrian, Jinwoong Kim, Adrian Llanos, Veronica Show, Mizuki Ohno
| Summary:
Deterministic control of the layering configuration of two-dimensional
quantum materials plays a central role in studying their emergent electronic
properties. Here we demonstrate in-situ control over competing stacking
configurations in thin film crystals of the rare-earth diantimonides by
synthesizing in proximity to competing structural orders. A crossover between
the epitaxially stabilized monoclinic structure and the orthorhombic structure
commonly observed in bulk crystals is navigated through three axes; the
relative cation/anion ratio, growth temperature, and choice of lanthanide ion,
culminating with a comparative magnetotransport study of single-yet-distinct
phase CeSb2 films. These results set the stage for an expanded search for
hidden stacking configurations in layered compounds which have evaded
detection.
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