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Article Dans Une Revue Review of Scientific Instruments Année : 2021

Spatially resolved optical spectroscopy in extreme environment of low temperature, high magnetic elds and high pressure

Résumé

We present an experimental setup developed to perform optical spectroscopy experiments (Raman scattering and photoluminescence measurements) with a micrometer spatial resolution, in an extreme environment of low temperature, high magnetic eld and high pressure. This unique experimental setup, to the best of our knowledge, allows us to explore deeply the phase diagram of condensed matter systems by tuning independently these three thermodynamic parameters, while monitoring the low-energy excitations (electronic, phononic or magnetic excitations), to spatially map the Raman scattering response or to investigate objects with low dimensions. We apply this technique to bulk FePS 3 , a layered antiferromagnet with a Néel temperature of T ≈ 120 K.
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Dates et versions

hal-03754469 , version 1 (19-08-2022)

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I. Breslavetz, A. Delhomme, T. Pelini, A. Pawbake, D. Vaclavkova, et al.. Spatially resolved optical spectroscopy in extreme environment of low temperature, high magnetic elds and high pressure. Review of Scientific Instruments, 2021, 92 (12), pp.123909. ⟨10.1063/5.0070934⟩. ⟨hal-03754469⟩
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