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The origin of the modulated structure in Sr 2 CuO 3+ δ ( δ  = 0.4): [CuO 2 ] in‐plane oxygen vacancy or apical oxygen vacancy?

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In recent decades, high‐temperature superconductors have shown great potential in various applications due to their unique physical structures and electric and magnetic properties. In particular, high‐temperature copper oxide superconductor is… Click to show full abstract

In recent decades, high‐temperature superconductors have shown great potential in various applications due to their unique physical structures and electric and magnetic properties. In particular, high‐temperature copper oxide superconductor is an alternating array consisting of [CuO2] conducting planes with charge reservoir blocks where holes or electrons are introduced by dopants. In most cases, the dopant atoms reside in the blocks and are randomly distributed. On the one hand, the superconducting transition temperature (Tc) has been found to have a parabolic relationship with Received: 23 April 2019 | Revised: 18 June 2019 | Accepted: 20 June 2019 DOI: 10.1111/jace.16662

Keywords: cuo; modulated structure; oxygen vacancy; origin modulated

Journal Title: Journal of the American Ceramic Society
Year Published: 2019

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