Abstract
The bulk van der Waals crystal Mn3Si2Te6 (MST) has been irradiated with a proton beam of 2 MeV at a fluence of 1×1018 H+ cm-2. The temperature dependent magnetization measurements show a drastic decrease in the magnetization of 49.2% in the H//c direction observed in ferrimagnetic state. This decrease in magnetization is also reflected in the isothermal magnetization curves. No significant change in the ferrimagnetic transition temperature (75 K) was reflected after irradiation. Electron paramagnetic resonance (EPR) spectroscopy shows no magnetically active defects present after irradiation. Here, experimental findings gathered from MST bulk crystals via magnetic measurements, magnetocaloric effect, and heat capacity are discussed.
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Martinez, L.M., Saiz, C.L., Cosio, A. et al. Magnetic Properties of Proton Irradiated Mn3Si2Te6 van der Waals Single Crystals. MRS Advances 4, 2177–2184 (2019). https://doi.org/10.1557/adv.2019.260
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DOI: https://doi.org/10.1557/adv.2019.260