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Updated: Feb 5, 2026

Fabrication and Characterization of Superconducting Resonators
Published on: May 21, 2016
Development and application of 2.5 GPa-25 T high-pressure high-field electron spin resonance system using a
T Sakurai1, S Kimura2, M Kimata2
1Research Facility Center for Science and Technology, Kobe University, Nada, Kobe 657-8501, Japan.
Abstract:
We have developed a high-pressure electron spin resonance probe and successfully installed into the world's highest-field cryogen-free superconducting magnet having a maximum central field of 24.6 T. The high pressure of 2.5 GPa is achieved by the specially designed piston-cylinder pressure cell using THz-wave-transparent components. In the first application of this high-pressure high-field ESR system, we observed that the orthogonal dimer spin system SrCu2(BO3)2 undergoes a quantum phase transition from the dimer singlet ground to the plaquette singlet ground states.
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