When superconductivity crosses over: From BCS to BEC

Q Chen, Z Wang, R Boyack, S Yang, K Levin - Reviews of Modern Physics, 2024 - APS
New developments in superconductivity, particularly through unexpected and often
surprising forms of superconducting materials, continue to excite the community and …

Design of complex oxide interfaces by oxide molecular beam epitaxy

YE Suyolcu, G Christiani, PA van Aken… - … of Superconductivity and …, 2020 - Springer
Complex oxides provide a versatile playground for many phenomena and possible
applications, for instance, high-temperature superconductivity, magnetism, ferroelectricity …

Design and Differentiation of Quantum States at Subnanometer Scale in La2CuO4−Sr2CuO4−δ Superlattices

N Bonmassar, G Christiani, U Salzberger, Y Wang… - ACS …, 2023 - ACS Publications
We present a study on the properties of superlattices made of ultrathin Sr2CuO4− δ layers
sandwiched between La2CuO4 layers beyond the antiferromagnetic insulating nature of the …

3D strain-induced superconductivity in La2CuO4+δ using a simple vertically aligned nanocomposite approach

EM Choi, A Di Bernardo, B Zhu, P Lu, H Alpern… - Science …, 2019 - science.org
A long-term goal for superconductors is to increase the superconducting transition
temperature, T C. In cuprates, TC depends strongly on the out-of-plane Cu-apical oxygen …

[HTML][HTML] Engineering ordered arrangements of oxygen vacancies at the surface of superconducting La2CuO4 thin films

YE Suyolcu, G Christiani, PT Gemperline… - Journal of Vacuum …, 2022 - pubs.aip.org
We demonstrate how ordered arrangements of oxygen vacancies can be engineered during
the growth of superconducting La 2 CuO 4 films by oxide molecular-beam epitaxy. These …

[HTML][HTML] Engineering mass transport properties in oxide ionic and mixed ionic-electronic thin film ceramic conductors for energy applications

I Garbayo, F Baiutti, A Morata, A Tarancon - Journal of the European …, 2019 - Elsevier
New emerging disciplines such as Nanoionics and Iontronics are dealing with the
exploitation of mesoscopic size effects in materials, which become visible (if not …

Superconductivity at Interfaces in Cuprate‐Manganite Superlattices

N Bonmassar, G Christiani, T Heil… - Advanced …, 2023 - Wiley Online Library
One of the unsolved problems for using high‐Tc superconducting cuprates for spintronic
applications are the short coherence lengths of Cooper pairs in oxides (a few Å), which …

The Superconducting Dome in Artificial High-Tc Superlattices Tuned at the Fano–Feshbach Resonance by Quantum Design

G Logvenov, N Bonmassar, G Christiani, G Campi… - Condensed …, 2023 - mdpi.com
While the search for new high-temperature superconductors had been driven by the
empirical “trials and errors” method for decades, we now report the synthesis of Artificial …

Octahedral Distortions at High‐Temperature Superconducting La2CuO4 Interfaces: Visualizing Jahn–Teller Effects

YE Suyolcu, Y Wang, W Sigle, F Baiutti… - Advanced Materials …, 2017 - Wiley Online Library
Tuning the octahedral network represents a promising route for achieving new properties
and functionalities in perovskite‐based oxide heterostructures. One of the interface …

[HTML][HTML] a-axis YBa2Cu3O7− x/PrBa2Cu3O7− x/YBa2Cu3O7− x trilayers with subnanometer rms roughness

YE Suyolcu, J Sun, BH Goodge, J Park, J Schubert… - APL materials, 2021 - pubs.aip.org
We demonstrate a-axis YBa 2 Cu 3 O 7− x/PrBa 2 Cu 3 O 7− x/YBa 2 Cu 3 O 7− x trilayers
grown on (100) LaAlO 3 substrates with improved interface smoothness. The trilayers are …