EMR Measurements of Field-Induced Superconductor lamda-(BETS)2FexGa1-xCl4
Y. Oshima, E. Jobiliong, J. S. Brooks, S. A. Zvyagin, J. Krzystek, H., Tanaka, A. Kobayashi, H. Cui, H. Kobayashi
TL;DR
This study uses high-field EMR to investigate the electronic interactions in a field-induced superconductor, revealing sensitive Pi-d interactions influenced by cooling rate, with implications for understanding superconducting phases.
Contribution
It provides new insights into Pi-d electron interactions in lamda-(BETS)2FexGa1-xCl4 and how cooling rate affects the FISC phase.
Findings
Pi-d interaction is non-negligible and sensitive to cooling rate.
Rapid cooling weakens Pi-d interaction.
Results focus on lamda-(BETS)2FexGa1-xCl4 with x=0.6.
Abstract
We have performed high-field Electron Magnetic Resonance (EMR) measurements of lamda-(BETS)2FexGa1-xCl4 to clarify the role of Pi- and d-electrons in the paramagnetic (PM) and field-induced superconducting (FISC) phases. We found that this system has a non-negligible Pi-d interaction that is very sensitive to the sample cooling rate. The Pi-d interaction is weaker when the sample is rapidly cooled which might affect its FISC phase. The results of the organic alloy lamda-(BETS)2FexGa1-xCl4 (x=0.6) will be presented in this paper.
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Taxonomy
TopicsOrganic and Molecular Conductors Research · Perovskite Materials and Applications · Solid-state spectroscopy and crystallography