Marco Polo Jimenez-Segura

ORCID: 0000-0001-9433-7816
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About
Contact & Profiles
Research Areas
  • High Entropy Alloys Studies
  • High-Temperature Coating Behaviors
  • Superconductivity in MgB2 and Alloys
  • Advanced materials and composites
  • Topological Materials and Phenomena
  • Graphene research and applications

Universidad Nacional Autónoma de México
2024

Max Planck Institute for Solid State Research
2019

University of Stuttgart
2019

The University of Tokyo
2019

We report the magnetic properties of Mg0.2Co0.2Ni0.2Cu0.2Zn0.2O, a high-entropy oxide with rocksalt structure, and influence substitutions on these properties. From susceptibility neutron diffraction measurements, we found that this compound exhibits long-range order below 120 K despite substantial structural disorder. Other rocksalt-type oxides various chemical were to host either an antiferromagnetic or spin-glass state depending amount ions. The presence for such disordered material...

10.1063/1.5091787 article EN Applied Physics Letters 2019-03-25

In this work, we used DFT calculations to compare the electronic structure of four hexagonal superconducting materials. Two them are SrAlGe and BaAlGe, other two given by substituting Al for Ga, resulting in SrGaGe BaGaGe. The band structure, density states, Fermi surface were obtained each compound with without spin–orbit coupling effect. For BaGaGe compounds, a unfolding calculation was performed. We found that exhibits quasi-flat-band localized specific direction Brillouin zone. addition,...

10.1016/j.mtcomm.2024.110076 article EN cc-by-nc-nd Materials Today Communications 2024-08-01

We report the magnetic properties of Mg$_{0.2}$Co$_{0.2}$Ni$_{0.2}$Cu$_{0.2}$Zn$_{0.2}$O, a high-entropy oxide with rocksalt structure, and influence substitutions on these properties. From susceptibility neutron diffraction measurements, we found that this compound exhibits long-range order below 120 K despite substantial structuraldisorder. The other rocksalt-type oxides various chemical were to host either an antiferromagnetic or spin-glass state depending amount ions. presence for such...

10.48550/arxiv.1902.01825 preprint EN other-oa arXiv (Cornell University) 2019-01-01
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