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| Development of High-Field ESR System Using SQUID Magnetometer and its Application to Measurement under High Pressure |
| Journal of Magnetics, Volume 18, Number 2, 30 Jun 2013, Pages 168-172 |
T. Sakurai *  (Center for Supports to Research and Education Activities, Kobe University), K. Fujimoto (Graduate School of Science, Kobe University), S. Okubo (Molecular Photoscience Research Center, Kobe University), H. Ohta (Molecular Photoscience Research Center, Kobe University), Y. Uwatoko (Institute for Solid State Physics, University of Tokyo) |
| Abstract |
We have developed a high-field and high-frequency ESR system using a commercially available magnetometer equipped with the superconducting quantum interference device (SQUID). This is magnetization detection type ESR and ESR is observed as a change of the magnetization at the resonance condition under irradiation of the electromagnetic wave. The frequency range is from 70 to 315 GHz and the maximum magnetic field is 5 T. The sensitivity is estimated to be 1013 spins/G. The advantage of this system is that the high-field ESR measurements can be made very easily and quantitatively. Moreover, this high-field ESR can be applied to the measurements under pressure by using a widely used piston-cylinder pressure cell.
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| Keywords: ESR; high field; magnetization detection; SQUID; pressure cell |
| DOI: http://dx.doi.org/10.4283/JMAG.2013.18.2.168 |
| Full Text: PDF |
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