Local spin-triplet superconductivity in half-metallic manganites: A perspective platform for high-temperature topological superconductivity

Authors

  • V. N. Krivoruchko Donetsk Institute for Physics and Engineering named after A. A. Galkin of the National Academy of Sciences of Ukraine Kyiv 03028, Ukraine

DOI:

https://doi.org/10.1063/10.0006560

Keywords:

half-metallic manganites, localized superconducting Cooper pairs, topological superconductivity, superconductor–ferromagnet heterostructures.

Abstract

Topological materials and their unusual properties are nowadays a focus of experimental and theoretical research. Promising systems where topological superconducting phases can be realized are materials with a spin-triplet superconducting state. Yet, in the nature superconductors with a spin-triplet p-wave pairing are exceptions. The experimentally accessible way to overcome this bottleneck is spin-triplet pairing induced in proximitized structures of spin-singlet superconductors with time-reversal symmetry breaking counterparts. We discuss the possibility of creating such materials using superconductor–half-metallic manganite nano-structures. A unique promising feature of the proximity-coupled hybrid structures is high-temperature local triplet superconductivity in half-metallic manganites. The experimental evidence of a latent spin-triplet pairing in half-metallic manganites is presented and conditions favoring the topological superconducting state in nanostructures based on them are discussed.

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Published

2021-09-14

How to Cite

(1)
Krivoruchko, V. N. Local Spin-Triplet Superconductivity in Half-Metallic Manganites: A Perspective Platform for High-Temperature Topological Superconductivity. Fiz. Nizk. Temp. 2021, 47, 981-988.

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