Variation of Topology in Magnetic Bubbles in a Colossal Magnetoresistive Manganite.
basic_science · Level V
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- Record sourced from PubMed, PMID 27735093.
- Also identified by DOI 10.1002/adma.201603958.
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Abstract
The emergence of zero-bias bubbles (≈100 nm in diameter) with various Bloch lines and their triangular lattice is revealed in a colossal magnetoresistive material, La<sub>1-x</sub> Sr<sub>x</sub> MnO<sub>3</sub> , by means of Lorentz transmission electron microscopy (LTEM). The magnetization dynamics, and accompanying changes of the topological number of bubbles via the field-driven motion of the Bloch lines, are demonstrated by in situ LTEM observations.