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Methods of manufacturing superconductor and phononic elements

IP Status

Grant

Research Organization

Leiden University

Technology Type

Basic Electric Elements

Expires

2039

Inventors

Allan Milan [Nl]

About the technology

This technology is based on a new approach to engineer/improve superconducting materials: deliberate alterations of the mesoscale structure of the material are realized by using nano and microfabrication techniques, resulting into a controlled modification of the phononic and electronic structure of thin films. This allows the coupling of the electrons with the phonon modes at higher temperatures, with the consequent formation of Cooper pairs and the onset of supercurrents. The physics model that underlies this technology shows how such periodic structures have to be designed to best improve superconductivity (Figure 1)

Details and State of Development:

- While the fabrication technology is well established and the underlying physics model has passed through peer-review scrutiny, its experimental validation and optimisation are ongoing at the moment of writing.

Solution

This technology is based on a new approach to engineer/improve superconducting materials: deliberate alterations of the mesoscale structure of the material are realized by using nano and microfabrication techniques, resulting into a controlled modification of the phononic and electronic structure of thin films. This allows the coupling of the electrons with the phonon modes at higher temperatures, with the consequent formation of Cooper pairs and the onset of supercurrents. The physics model that underlies this technology shows how such periodic structures have to be designed to best improve superconductivity (Figure 1) (available at arxiv.org/abs/1704.06805).

Benefits

- ​Reduced energy budget for superconductor-based devices
- Compatibility with existing micro/nanofabrication methods. - No need for engineering new materials compositions

Application Fields

- Superconducting wires in MRI and NMR instruments
- Sensors, including for astronomy and superconducting quantum interference devices (SQUID)

About the Research Organization

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About the Research Organization