Dr. Daniel Sopu

Function: Junior Group Leader
Room: 113
Phone: +43 (0) 3842-804-113
E-Mail: daniel.sopu(at)oeaw.ac.at

Themes: 

  • Structure and properties of nanoglasses, metallic glasses and composites materials
  • Finite size effects in phonon density of states of nanostructured materials
  • Thermodynamic and kinetic properties of solid-liquid interfaces
  • Mechanical properties of high entropy alloys
  • Ion irradiation effects
  • Nanoporous materials
  • Nanolaminar structures
  • Antibacterial coatings of metallic surfaces

 

Methods: 

  • Molecular dynamics simulations
  • Transition path sampling
  • Ab-Initio simulations

 

TEACHING

  • Materials modeling at the atomic level

 

Projects

Publications

  • Machine learning assisted design of high-entropy alloys with ultra-high microhardness and unexpected low densityZhao S., B. Jiang, K. Song, X. Liu, W. Wang, S. Si, J. Zhang, X. Chen, C. Zhou, P. Liu, D. Chen, Z. Zhang, P. Ramasamy, J. Tang, W. Lv, P. Konda Gokuldoss, D. Sopu, J. Eckert, 112634 (2024)
    DOIRISENWBIB
  • Rejuvenation engineering in metallic glasses by complementary stress and structure modulationŞopu D., F. Spieckermann, X. Bian, S. Fellner, J. Wright, M. Cordill, C. Gammer, G. Wang, M. Stoica, J. EckertNPG Asia Materials, 1-9 (2023)
    DOIRISENWBIB
  • Crack-healing mechanisms in high-entropy alloys under ion irradiationXu Q., X. Yuan, J. Eckert, D. SopuActa Materialia, 119488 (2023)
    DOIRISENWBIB
  • STZ-Vortex model: The key to understand STZ percolation and shear banding in metallic glassesSopu D.J ALLOY COMPD960, ARTN 170585 (2023)
    DOIRISENWBIB
  • Tunable rejuvenation behavior of a metallic glass by residual stress modulationQiu X.B., X.L. Bian, D. Sopu, Y. . X. Gao, J. Yi, Y. . D. Jia, G. WangJ MATER RES TECHNOL26, 8263-8271 (2023)
    DOIRISENWBIB
  • Effects of void shape and location on the fracture and plastic deformation of Cu (crystalline) /Cu64Zr36 (amorphous) compositesLi Y.L., W.P. Wu, D. Sopu, J. EckertJ MATER RES TECHNOL24 (2023)
    DOIRISENWBIB
  • In-situ transmission electron microscopy analysis of the degree of heterogeneities in a metallic glassZhang N.Z., K. Sun, D. Sopu, F. Spieckermann, X.D. Ma, C. Geng, X.L. Bian, Y.D. Jia, Q. Wang, G. Wang, J. EckertINTERMETALLICS154, ARTN 107807 (2023)
    DOIRISENWBIB
  • Molecular dynamics study of shock-induced deformation phenomena and spallation failure in Ni-based single crystal superalloysChen B., Y. Li, D. Sopu, J. Eckert, W. WuINT J PLASTICITY162, ARTN 103539 (2023)
    DOIRISENWBIB
  • In-situ transmission electron microscopy analysis of the degree of heterogeneities in a metallic glassZhang N.Z., K. Sun, D. Sopu, F. Spieckermann, X.D. Ma, C. Geng, X.L. Bian, Y.D. Jia, Q. Wang, G. Wang, J. EckertIntermetallics154, 1-7 (2022)
    RISENWBIB
  • Shear-band blunting governs superior mechanical properties of shape memory metallic glass compositesZhang L., T. Yan, D. Sopu, Y. Wu, B. Jiang, K. Du, H. Zhang, J. EckertActa Materialia241, 1-12 (2022)
    DOIRISENWBIB
  • Enhanced mechanical properties of Zr65Cu15Ni10Al10 bulk metallic glass by simultaneously introducing surface grooves and multiple shear bandsYuan X., Z. Zhang, Q. Gao, L. Zhou, K. Song, X. Zou, D. Sopu, L. Hu, B. Sun, J. Eckertjmr&t21, 1490-1506 (2022)
    DOIRISENWBIB
  • Interface-related deformation phenomena in metallic glass/high entropy nanolaminatesXu Q., D. Sopu, X. Yuan, D. Kiener, J. EckertActa Mater.237, ARTN 118191 (2022)
    DOIRISENWBIB
  • Mapping Shear Bands in Metallic Glasses: From Atomic Structure to Bulk DynamicsSheng H., D. Sopu, S. Fellner, J. Eckert, C. GammerPhys. Rev. Lett.128, ARTN 245501 (2022)
    DOIRISENWBIB
  • Maximizing the degree of rejuvenation in metallic glassesYuan X., D. Sopu, F. Spieckermann, K.K. Song, S. Ketov V, K.G. Prashanth, J. EckertScr. Mater.212, ARTN 114575 (2022)
    DOIRISENWBIB
  • Editorial: Fundamentals and Challenges of Advanced Amorphous and High-Entropy Alloys</p>Song K., Y. Huang, R. Li, J. Qiao, Z. Wang, K.G. Prashanth, D. SopuFront. Mater.9, ARTN 874556 (2022)
    DOIRISENWBIB
  • Relaxation and Strain-Hardening Relationships in Highly Rejuvenated Metallic GlassesYuan X., D. Sopu, K. Song, J. EckertMATERIALS15, ARTN 1702 (2022)
    DOIRISENWBIB
  • Molecular dynamics study of fracture and plastic deformation of Cu/Cu64Zr36 crystalline/amorphous composites with a pre-existing voidWu W., Z. Peng, D. Sopu, J. EckertJournal of Non-Crystalline Solids586, ARTN 121556 (2022)
    DOIRISENWBIB
  • Structure-dynamics relationships in cryogenically deformed bulk metallic glassSpieckermann F., D. Şopu, V. Soprunyuk, M.B. Kerber, J. Bednarčík, A. Schökel, A. Rezvan, S. Ketov, B. Sarac, E. Schafler, J. EckertNature Communications13, 1-9 (2022)
    DOIRISENWBIB
  • Mechanical behavior and deformation mechanism of shape memory bulk metallic glass composites synthesized by powder metallurgyHe T., T. Lu, D. Sopu, X. Han, H. Lu, K. Nielsch, J. Eckert, N. Ciftci, V. Uhlenwinkel, K. Kosiba, S. ScudinoJourn.of Materials Science & Techn.114, 42-54 (2022)
    DOIRISENWBIB
  • Annealing metallic glasses above T-g in order to accelerate the relaxation process in molecular dynamics simulationsSopu D., X. Yuan, J. EckertAppl. Phys. Lett.120, ARTN 011904 (2022)
    DOIRISENWBIB