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September 5, 2025Physical review. B./Physical review. BOpen Access

Superconductivity in the spin-state crossover materials: Nickelates with planar-coordinated low-spin Ni2+ ions

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Authors

JCJiří ChaloupkaGKGiniyat Khaliullin

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Overview

Theoretical exploration of spin-state crossover in nickelates reveals interactions with ionic excitations.

Key Points

  • The study uncovers how doped holelike charge carriers interact with a low-spin background, influencing superconductivity.
  • Key interactions found include those between mobile Ni3+ ions and the d8 singlet-triplet structure, affecting Cooper pairing.
  • Constructed models detail the phase diagram and excitation spectrum related to low-spin nickel ions in quasi-two-dimensional materials.
  • Findings suggest that these interactions significantly modify the behavior of nickelates, pointing to potential applications in superconductivity.

Cite This Study

Chaloupka et al. (2025) studied this question.

synapsesocial.com/papers/68bb3ee82b87ece8dc957058https://doi.org/10.1103/s5b6-crzc
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