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Magnetic Properties of Proton Irradiated Mn3Si2Te6 van der Waals Single Crystals

Published online by Cambridge University Press:  10 June 2019

L. M. Martinez ,
C. L. Saiz Open the ORCID record for C. L. Saiz [Opens in a new window] ,
A. Cosio ,
R. Olmos ,
H. Iturriaga ,
L. Shao  and
S. R. Singamaneni
L. M. Martinez
Affiliation:
Department of Physics, The University of Texas at El Paso, El Paso, TX79968, USA
C. L. Saiz
Affiliation:
Department of Physics, The University of Texas at El Paso, El Paso, TX79968, USA
A. Cosio
Affiliation:
Department of Physics, The University of Texas at El Paso, El Paso, TX79968, USA
R. Olmos
Affiliation:
Department of Physics, The University of Texas at El Paso, El Paso, TX79968, USA
H. Iturriaga
Affiliation:
Department of Physics, The University of Texas at El Paso, El Paso, TX79968, USA
L. Shao
Affiliation:
Department of Nuclear Engineering, Texas A&M University, College Station, TX77845, USA
S. R. Singamaneni*
Affiliation:
Department of Physics, The University of Texas at El Paso, El Paso, TX79968, USA
*
*(Email: srao@utep.edu)
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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.

Keywords

2D materialsdefectsmagnetic properties
Type
Articles
Information
MRS Advances , Volume 4 , Issue 40: Quantum and Nanomaterials , 2019 , pp. 2177 - 2184
Copyright
Copyright © Materials Research Society 2019 

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