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  "published": "2026-10-16",
  "publisher": "American Association for the Advancement of Science (AAAS)",
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  "title": "Emergent coherent-incoherent phonon crossover enables ultralow lattice thermal conductivity in 3D double perovskite",
  "title_text": "Emergent coherent-incoherent phonon crossover enables ultralow lattice thermal conductivity in 3D double perovskite",
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