Xu-Cun Ma

Title: Xu-Cun Ma: Innovator in High-Temperature Superconducting Films

Introduction

Xu-Cun Ma is a prominent inventor based in Beijing, China. He has made significant contributions to the field of superconductivity, particularly in the development of high-temperature superconducting films. With a total of 7 patents, his work has garnered attention in both academic and industrial circles.

Latest Patents

One of Xu-Cun Ma's latest patents is a high-temperature superconducting film that includes a SrTiO substrate, a single crystalline FeSe layer, and a protective layer with a layered crystal structure. The single crystalline FeSe layer is sandwiched between the SrTiO substrate and the protective layer via a layer-by-layer mode. This innovative film exhibits an onset temperature of superconducting transition greater than or equal to 54 K, with a critical current density of about 10 A/cm² at 12 K. Another notable patent is a method for making this high-temperature superconducting film, which involves loading a SrTiO substrate in an ultra-high vacuum system. A single crystalline FeSe layer is grown on the surface of the SrTiO substrate by molecular beam epitaxy, followed by the growth of a protective layer with a layered crystal structure.

Career Highlights

Xu-Cun Ma has had a distinguished career, working at prestigious institutions such as Tsinghua University and the Chinese Academy of Sciences. His research has significantly advanced the understanding and application of high-temperature superconductors.

Collaborations

Throughout his career, Xu-Cun Ma has collaborated with notable scientists, including Qi-Kun Xue and Ke He. These collaborations have further enriched his research and contributed to the field of superconductivity.

Conclusion

Xu-Cun Ma's innovative work in high-temperature superconducting films has positioned him as a leading figure in the field. His patents and research continue to influence advancements in superconductivity and related technologies.