Tsujimoto, Y. et al. Infinite-layer iron oxide with a square-planar coordination. Nature 450, 1062–1065 (2007).
Article CAS PubMed Google Scholar
Hayward, M. A. & Rosseinsky, M. J. Materials chemistry: cool conditions for mobile ions. Nature 450, 960–961 (2007).
Article CAS PubMed Google Scholar
Kawakami, T. et al. Spin transition in a four-coordinate iron oxide. Nat. Chem. 1, 371–376 (2009).
Article CAS PubMed Google Scholar
Tassel, C. & Kageyama, H. Square planar coordinate iron oxides. Chem. Soc. Rev. 41, 2025–2035 (2012).
Article CAS PubMed Google Scholar
Köhler, J. Square-planar coordinated iron in the layered oxoferrate(II) SrFeO2. Angew. Chem. Int. Ed. 47, 4470–4472 (2008).
Hodges, J. P. et al. Evolution of oxygen-vacancy ordered crystal structures in the perovskite series SrnFenO3n−1 (n=2, 4, 8, and ∞), and the relationship to electronic and magnetic properties. J. Solid State Chem. 151, 190–209 (2000).
Takeda, Y. et al. Phase relation in the oxygen non-stoichiometric system, SrFeOx (2.5 ≤ x ≤ 3.0). J. Solid State Chem. 63, 237–249 (1986).
Rahman, M., Nie, Y. Z. & Guo, G. H. Electronic structures and magnetism of SrFeO2 under pressure: a first-principles study. Inorg. Chem. 52, 12529–12534 (2013).
Article CAS PubMed Google Scholar
Kanai, M., Kawai, T. & Kawai, S. Atomic layer and unit cell layer growth of (Ca,Sr)CuO2 thin film by laser molecular beam epitaxy. Appl. Phys. Lett. 58, 771–773 (1991).
Li, D. et al. Superconductivity in an infinite-layer nickelate. Nature 572, 624–627 (2019).
Article CAS PubMed Google Scholar
Puphal, P. et al. Topotactic transformation of single crystals: from perovskite to infinite-layer nickelates. Sci. Adv. 7, eabl8091 (2021).
Article CAS PubMed PubMed Central Google Scholar
Kim, W. J. et al. Geometric frustration of Jahn–Teller order in the infinite-layer lattice. Nature 615, 237–243 (2023).
Article CAS PubMed Google Scholar
Yamamoto, T. & Kageyama, H. Hydride reductions of transition metal oxides. Chem. Lett. 42, 946–953 (2013).
Wei, W., Vu, D., Zhang, Z., Walker, F. J. & Ahn, C. H. Superconducting Nd1−xEuxNiO2 thin films using in situ synthesis. Sci. Adv. 9, eadh3327 (2023).
Article CAS PubMed PubMed Central Google Scholar
Ding, X. et al. Critical role of hydrogen for superconductivity in nickelates. Nature 615, 50–55 (2023).
Article CAS PubMed Google Scholar
Chroneos, A., Yildiz, B., Tarancón, A., Parfitt, D. & Kilner, J. A. Oxygen diffusion in solid oxide fuel cell cathode and electrolyte materials: mechanistic insights from atomistic simulations. Energy Environ. Sci. 4, 2774–2789 (2011).
Inoue, S. et al. Anisotropic oxygen diffusion at low temperature in perovskite-structure iron oxides. Nat. Chem. 2, 213–217 (2010).
Article CAS PubMed Google Scholar
Inoue, S. et al. Single-crystal epitaxial thin films of SrFeO2 with FeO2 ‘infinite layers’. Appl. Phys. Lett. 92, 4–6 (2008).
Jia, C. L., Lentzen, M. & Urban, K. Atomic-resolution imaging of oxygen in perovskite ceramics. Science 299, 870–873 (2003).
Article CAS PubMed Google Scholar
Jia, C. L., Houben, L., Thust, A. & Barthel, J. On the benefit of the negative-spherical-aberration imaging technique for quantitative HRTEM. Ultramicroscopy 110, 500–505 (2010).
Du, H. et al. Multiple polarization orders in individual twinned colloidal nanocrystals of centrosymmetric HfO2. Matter 4, 986–1000 (2021).
Jia, C. L. et al. Determination of the 3D shape of a nanoscale crystal with atomic resolution from a single image. Nat. Mater. 13, 1044–1049 (2014).
Article CAS PubMed Google Scholar
Khare, A. et al. Topotactic metal-insulator transition in epitaxial SrFeOx thin films. Adv. Mater. 37, 1606566 (2017).
Kang, K. T. et al. A room‐temperature ferroelectric ferromagnet in a 1D tetrahedral chain network. Adv. Mater. 31, 1808104 (2019).
Mitra, C., Meyer, T., Lee, H. N. & Reboredo, F. A. Oxygen diffusion pathways in brownmillerite SrCoO2.5: influence of structure and chemical potential. J. Chem. Phys. 141, 4–9 (2014).
Xing, Y. et al. Atomic-scale operando observation of oxygen diffusion during topotactic phase transition of a perovskite oxide. Matter 5, 3009–3022 (2022).
Li, B. & Ma, E. Atomic shuffling dominated mechanism for deformation twinning in magnesium. Phys. Rev. Lett. 103, 035503 (2009).
Article CAS PubMed Google Scholar
Tochigi, E., Miao, B., Nakamura, A., Shibata, N. & Ikuhara, Y. Atomic-scale mechanism of rhombohedral twinning in sapphire. Acta Mater. 216, 117137 (2021).
He, Y., Li, B., Wang, C. & Mao, S. X. Direct observation of dual-step twinning nucleation in hexagonal close-packed crystals. Nat. Commun. 11, 2483 (2020).
Article CAS PubMed PubMed Central Google Scholar
Feldhoff, A. et al. Spin-state transition of iron in (Ba0.5Sr0.5)(Fe0.8Zn0.2)O3-δ perovskite. J. Solid State Chem. 182, 2961–2971 (2009).
Haruta, M. et al. Local electronic structure analysis for brownmillerite Ca(Sr)FeO2.5 using site-resolved energy-loss near-edge structures. J. Appl. Phys. 110, 033708 (2011).
Ferreira, T. et al. Unintended consequence of topochemical reduction of SrFeO3 to SrFeO2: design of infinite layered oxides. Phys. Rev. Mater. 5, 123401 (2021).
Li, H.-B. et al. Dehydration of electrochemically protonated oxide: SrCoO2 with square spin tubes. J. Am. Chem. Soc. 143, 17517–17525 (2021).
Article CAS PubMed Google Scholar
Madsen, J. & Susi, T. abTEM: ab initio transmission electron microscopy image simulation. Microsc. Microanal. 26, 448–450 (2020).
Thust, A. High-resolution transmission electron microscopy on an absolute contrast scale. Phys. Rev. Lett. 102, 5–8 (2009).
Tong, B. Y. & Sham, L. J. Application of a self-consistent scheme including exchange and correlation effects to atoms. Phys. Rev. 144, 1–4 (1966).
留言 (0)