Superconducting nematic phases under stress

Stage M1 - M2 The proposed work consists in setting up a uniaxial pressure device, coupled to NMR measurements (a spectroscopic method whose principle is analogous to medical MRI), in order to study novel electronic phenomena in high temperature superconductors. This Master internship will take place in a team of several researchers and will offer a wide range of opportunities: tests and implementation of the pressure device, handling of cryogenic fluids and magnetic fields, NMR measurements, data analysis
Marc-Henri Julien & Hadrien Mayaffre - Contacter
25, avenue des martyrs
38042 Grenoble

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High temperature superconductors probed by NMR

In this Master project, we propose to perform nuclear Stage M1 - M2 magnetic resonance measurements in a high Tc cuprate superconductor in order to understand the competition between superconductivity and magnetic or charge ordering. The internship will take place in a team of several researchers and will offer a wide range of opportunities: handling of cryogenic fluids and magnetic fields, NMR measurements, data analysis.

Ultrasound in quantum materials

Superconducting materials enable technologies that would otherwise be unfeasible or impossible, such as medical Magnetic Resonance Image scanners, magnetic confinement in the ITER fusion reactor, and the magnets directing charged particles at the CERN accelerators. The materials class with the best current prospects for superconducting applications are the cuprates, which hold the record for highest ambient pressure transition temperature (Tc)-about 150 K. Those materials also host one of the greatest enigma of modern physics: the pseudogap phase. Determining the nature and origin of this mysterious phase is key to understand the mechanism of high-Tc superconductivity.