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@INPROCEEDINGS{Abboushi:891345,
      author       = {Abboushi, Nour},
      title        = {{I}nvestigation of macroscopic magnetic properties of
                      {M}n5{S}i3 compound},
      reportid     = {FZJ-2021-01438},
      year         = {2021},
      abstract     = {Regarding the frame work of my master thesis project, we
                      have worked on single crystal samples of 𝑀𝑛5𝑆𝑖3
                      intermetallic compound. DC-field direction dependent mass
                      magnetization measurements were performed, using different
                      protocols with magnetic field along three different
                      crystallographic directions, to investigate the physical
                      macroscopic magnetic properties of this compound, and then
                      to calculate the potential of MCE.As a general overview
                      about this compound , at room temperature it’s found to be
                      in paramagnetic state and crystalizes in a hexagonal
                      structure type 𝐷88 with space group (𝑃63/𝑚𝑐𝑚)
                      , with two distinct crystallographic sites for Mn atoms
                      [1-3]. Interestingly, it displays a complex modulated
                      magnetic structure, which is known to give rise to two
                      first-order transitions from a non-collinear anti-
                      ferromagnetic structure to a collinear antiferromagnetic
                      structure at 66 K (AFM1), and from the latter to
                      Paramagnetism at 99 K (AFM2) [2, 4-7]. Sürgers et al [8] ,
                      recently reported the presence of another intermediate
                      magnetic configuration, AFM1´ , through which the AFM1
                      state transforms to the AFM2 state in the presence of an
                      applied magnetics field (H) , with highly dependent on
                      temperature and magnetic field.In addition to such unusual
                      magnetic properties, Mn5Si3 also shows different functional
                      properties, such as large inverse magnetocaloric effect,
                      cooling by adiabatic magnetization, which is associated with
                      the AFM1-AFM2 phase transition [9-11].In the context of this
                      work, we have presented an overview about how the field
                      direction affects the observed transitions. In addition to
                      the complex magnetic phase diagram of Mn5Si3, we have
                      calculated the MCE for the different directions both for the
                      transitions AFM1-AFM2 and AFM2-paramagnetic.References1.
                      Aronsson, B., Borides and silicides of the transition
                      metals. Arkiv Kemi, 1960. 16.2. Lander, G.H., P.J. Brown,
                      and J.B. Forsyth, ANTIFERROMAGNETIC STRUCTURE OF MN5SI3.
                      Proceedings of the Physical Society of London, 1967.
                      91(572P): p. $332-\&.3.$ Menshikov, A.Z., A.P. Vokhmyanin,
                      and Y.A. Dorofeev, Magnetic-Structure and
                      Phase-Transformations in Mn5si3. Physica Status Solidi
                      B-Basic Research, 1990. 158(1): p. 319-328.4. Alkanani, H.J.
                      and J.G. Booth, MAGNETIC-FIELD-INDUCED TRANSITIONS IN
                      MN5SI3. Journal of Magnetism and Magnetic Materials, 1995.
                      140: p. 1539-1540.5. Brown, P.J. and J.B. Forsyth,
                      Antiferromagnetism in Mn5si3 - the Magnetic-Structure of the
                      Af2 Phase at 70 K. Journal of Physics-Condensed Matter,
                      1995. 7(39): p. 7619-7628.6. Vinokurova, L., et al.,
                      Magnetic phase transitions and electronic structure of the
                      manganese silicides. Journal of Magnetism and Magnetic
                      Materials, 1990. 90-91: p. 121-125.7. Silva, M.R., P.J.
                      Brown, and J.B. Forsyth, Magnetic moments and magnetic site
                      susceptibilities in Mn5Si3. Journal of Physics-Condensed
                      Matter, 2002. 14(37): p. 8707-8713.8. Sürgers, C., et al.,
                      Switching of a large anomalous Hall effect between
                      metamagnetic phases of a non-collinear antiferromagnet.
                      2017. 7: p. 42982.9. Biniskos, N., et al., Spin Fluctuations
                      Drive the Inverse Magnetocaloric Effect in Mn5Si3. Physical
                      Review Letters, 2018. 120(25): p. 6.10. Gottschilch, M., et
                      al., Study of the antiferromagnetism of Mn5Si3: an inverse
                      magnetocaloric effect material. Journal of Materials
                      Chemistry, 2012. 22(30): p. 15275-15284.11. Tegus, O., et
                      al., Magnetic and magnetocaloric properties of Mn5Ge3−
                      xSbx. Journal of Alloys and Compounds, 2002. 337(1-2): p.
                      269-271.},
      month         = {Mar},
      date          = {2021-03-25},
      organization  = {Digital Institute Seminar JCNS-2,
                       online event (online event), 25 Mar
                       2021 - 25 Mar 2021},
      subtyp        = {Invited},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      typ          = {PUB:(DE-HGF)31},
      url          = {https://juser.fz-juelich.de/record/891345},
}