Dieses Bild zeigt  Yuji Ikeda

Herr Dr.

Yuji Ikeda

Postdoc
Institut für Materialwissenschaft
Abteilung für Materialdesign

Kontakt

+49 711 685-61681

Pfaffenwaldring 55
70569 Stuttgart
Deutschland
Raum: 7.507

  1. Wu, X., Li, Z., Rao, Z., Ikeda, Y., Dutta, B., Körmann, F., Neugebauer, J., Raabe, D.: Role of magnetic ordering for the design of quinary TWIP-TRIP high entropy alloys. Phys. Rev. Mater. 4, 033601 (2020). https://doi.org/10.1103/PhysRevMaterials.4.033601.
  2. Guo, W., Su, J., Lu, W., Liebscher, C.H., Kirchlechner, C., Ikeda, Y., Körmann, F., Liu, X., Xue, Y., Dehm, G.: Dislocation-induced Breakthrough of Strength and Ductility Trade-off in a Non-equiatomic High-Entropy Alloy. Acta Mater. 185, 45--54 (2020). https://doi.org/10.1016/j.actamat.2019.11.055.
  3. Kies, F., Ikeda, Y., Ewald, S., Schleifenbaum, J.H., Hallstedt, B., Körmann, F., Haase, C.: Combined Al and C alloying enables mechanism-oriented design of multi-principal element alloys: Ab initio calculations and experiments. Scr. Mater. 178, 366--371 (2020). https://doi.org/10.1016/j.scriptamat.2019.12.004.
  4. Ishibashi, S., Ikeda, Y., Körmann, F., Grabowski, B., Neugebauer, J.: Correlation analysis of strongly fluctuating atomic volumes, charges, and stresses in body-centered cubic refractory high-entropy alloys. Phys. Rev. Mater. 4, 023608 (2020). https://doi.org/10.1103/PhysRevMaterials.4.023608.
  5. Oh, H.S., Kim, S.J., Odbadrakh, K., Ryu, W.H., Yoon, K.N., Mu, S., Körmann, F., Ikeda, Y., Tasan, C.C., Raabe, D., Egami, T., Park, E.S.: Engineering atomic-level complexity in high-entropy and complex concentrated alloys. Nat. Commun. 10, 2090 (2019). https://doi.org/10.1038/s41467-019-10012-7.
  6. Rao, Z., Ponge, D., Körmann, F., Ikeda, Y., Schneeweiss, O., Friák, M., Neugebauer, J., Raabe, D., Li, Z.: Invar effects in FeNiCo medium entropy alloys: From an Invar treasure map to alloy design. Intermetallics. 111, 106520 (2019). https://doi.org/10.1016/j.intermet.2019.106520.
  7. Ikeda, Y., Tanaka, I., Neugebauer, J., Körmann, F.: Impact of interstitial C alloying on phase stability and stacking fault energy of the CrMnFeCoNi high-entropy alloy. Phys. Rev. Mater. 3, 113603 (2019). https://doi.org/10.1103/PhysRevMaterials.3.113603.
  8. Lee, J., Ikeda, Y., Tanaka, I.: Solution effect on improved structural compatibility of NiTi-based alloys by systematic first-principles calculations. J. Appl. Phys. 125, 055106 (2019). https://doi.org/10.1063/1.5051630.
  9. Grabowski, B., Ikeda, Y., Srinivasan, P., Körmann, F., Freysoldt, C., Duff, A.I., Shapeev, A., Neugebauer, J.: Ab initio vibrational free energies including anharmonicity for multicomponent alloys. npj Comput. Mater. 5, 80 (2019). https://doi.org/10.1038/s41524-019-0218-8.
  10. Sohn, S.S., Kwiatkowski da Silva, A., Ikeda, Y., Körmann, F., Lu, W., Choi, W.S., Gault, B., Ponge, D., Neugebauer, J., Raabe, D.: Ultrastrong Medium-Entropy Single-Phase Alloys Designed via Severe Lattice Distortion. Adv. Mater. 31, 1807142 (2019). https://doi.org/10.1002/adma.201807142.
  11. Ikeda, Y., Grabowski, B., Körmann, F.: mpltern 0.3.0: ternary plots as projections of Matplotlib, (2019). https://doi.org/10.5281/ZENODO.3528354.
  12. Ikeda, Y., Grabowski, B., Körmann, F.: Ab initio phase stabilities and mechanical properties of multicomponent alloys: A comprehensive review for high entropy alloys and compositionally complex alloys. Mater. Charact. 147, 464--511 (2019). https://doi.org/10.1016/j.matchar.2018.06.019.
  13. Ikeda, Y., Körmann, F., Tanaka, I., Neugebauer, J.: Impact of Chemical Fluctuations on Stacking Fault Energies of CrCoNi and CrMnFeCoNi High Entropy Alloys from First Principles. Entropy. 20, 655 (2018). https://doi.org/10.3390/e20090655.
  14. Ikeda, Y., Körmann, F., Dutta, B., Carreras, A., Seko, A., Neugebauer, J., Tanaka, I.: Temperature-dependent phonon spectra of magnetic random solid solutions. npj Comput. Mater. 4, 7 (2018). https://doi.org/10.1038/s41524-018-0063-1.
  15. Edalati, K., Uehiro, R., Ikeda, Y., Li, H.-W., Emami, H., Filinchuk, Y., Arita, M., Sauvage, X., Tanaka, I., Akiba, E., Horita, Z.: Design and synthesis of a magnesium alloy for room temperature hydrogen storage. Acta Mater. 149, 88--96 (2018). https://doi.org/10.1016/j.actamat.2018.02.033.
  16. Devi, P., Singh, S., Dutta, B., Manna, K., D, Ikeda, Y., Suard, E., Petricek, V., Simon, P., Werner, P., Chadhov, S., Parkin, S.S.P., Felser, C., Pandey, D.: Adaptive modulation in the $Ni_2Mn_1.4In_0.6$ magnetic shape-memory Heusler alloy. Phys. Rev. B. 97, 224102 (2018). https://doi.org/10.1103/PhysRevB.97.224102.
  17. Edalati, K., Kitabayashi, K., Ikeda, Y., Matsuda, J., Li, H.-W., Tanaka, I., Akiba, E., Horita, Z.: Bulk nanocrystalline gamma magnesium hydride with low dehydrogenation temperature stabilized by plastic straining via high-pressure torsion. Scr. Mater. 157, 54--57 (2018). https://doi.org/10.1016/j.scriptamat.2018.07.043.
  18. Ikeda, Y., Carreras, A., Seko, A., Togo, A., Tanaka, I.: Mode decomposition based on crystallographic symmetry in the band-unfolding method. Phys. Rev. B. 95, 024305 (2017). https://doi.org/10.1103/PhysRevB.95.024305.
  19. Edalati, K., Uehiro, R., Fujiwara, K., Ikeda, Y., Li, H.-W., Sauvage, X., Valiev, R.Z., Akiba, E., Tanaka, I., Horita, Z.: Ultra-severe plastic deformation: Evolution of microstructure, phase transformation and hardness in immiscible magnesium-based systems. Mater. Sci. Eng., A. 701, 158--166 (2017). https://doi.org/10.1016/j.msea.2017.06.076.
  20. Körmann, F., Ikeda, Y., Grabowski, B., Sluiter, M.H.F.: Phonon broadening in high entropy alloys. npj Comput. Mater. 3, 36 (2017). https://doi.org/10.1038/s41524-017-0037-8.
  21. Lee, J., Ikeda, Y., Tanaka, I.: First-principles screening of structural properties of intermetallic compounds on martensitic transformation. npj Comput. Mater. 3, 52 (2017). https://doi.org/10.1038/s41524-017-0053-8.
  22. Ikeda, Y., Tanaka, I.: Stability of the ω structure of transition elements. Phys. Rev. B. 93, 094108 (2016). https://doi.org/10.1103/PhysRevB.93.094108.
  23. Edalati, K., Emami, H., Ikeda, Y., Iwaoka, H., Tanaka, I., Akiba, E., Horita, Z.: New nanostructured phases with reversible hydrogen storage capability in immiscible magnesium--zirconium system produced by high-pressure torsion. Acta Mater. 108, 293--303 (2016). https://doi.org/10.1016/j.actamat.2016.02.026.
  24. Ikeda, Y., Seko, A., Togo, A., Tanaka, I.: Unfolding of Phonon Modes of Disordered Alloys: a First-Principles Study. AMTC Lett. 5, 124--125 (2016).
  25. Ikeda, Y., Tanaka, I.: ω structure in steel: A first-principles study. J. Alloys Compd. 684, 624--627 (2016). https://doi.org/10.1016/j.jallcom.2016.05.211.
  26. Nozaki, H., Ikeda, Y., Ichikawa, K., Tachibana, A.: Electronic stress tensor analysis of molecules in gas phase of CVD process for GeSbTe alloy. J. Comput. Chem. 36, 1240--1251 (2015). https://doi.org/10.1002/jcc.23920.
  27. Ikeda, Y., Seko, A., Togo, A., Tanaka, I.: Volume dependence of phonon frequencies in paramagnetic bcc iron: a first-principles study. AMTC Lett. 4, 94--95 (2014).
  28. Ikeda, Y., Seko, A., Togo, A., Tanaka, I.: Phonon softening in paramagnetic bcc Fe and its relationship to the pressure-induced phase transition. Phys. Rev. B. 90, 134106 (2014). https://doi.org/10.1103/PhysRevB.90.134106.
  29. Takahashi, A., Ikeda, Y., Seko, A., Tanaka, I.: Neural Network Interatomic Potentials for Aluminum and Magnesium from Systematic First Principles Calculations. AMTC Lett. 4, 114--115 (2014).
  30. Ikeda, Y.: Theoretical Studies of Electronic Structures and Conductive Properties of Functional Materials, http://hdl.handle.net/2433/174881, (2013). https://doi.org/10.14989/doctor.k17515.
  31. Senami, M., Miyazato, T., Takada, S., Ikeda, Y., Tachibana, A.: Time evolution of Heisenberg operators of nuclei and electrons of QED system based on field theory. J. Phys.: Conf. Ser. 454, 012052 (2013). https://doi.org/10.1088/1742-6596/454/1/012052.
  32. Ikeda, Y., Senami, M., Tachibana, A.: A Non-Hermitian Coupled Perturbed Hartree-Fock Method for Complex Potentials and Calculations of Electronic Structures with Electric Currents. Trans. Mater. Res. Soc. Jpn. 38, 397--404 (2013). https://doi.org/10.14723/tmrsj.38.397.
  33. Ikeda, Y., Senami, M., Tachibana, A.: Coupled perturbed Hartree-Fock method for non-Hermitian Hamiltonians. J. Phys.: Conf. Ser. 454, 012053 (2013). https://doi.org/10.1088/1742-6596/454/1/012053.
  34. Ikeda, Y., Senami, M., Tachibana, A.: Analysis of Local Electric Conductive Property for Si Nanowire Models. ECS Trans. 50, 399--412 (2013). https://doi.org/10.1149/05009.0399ecst.
  35. Senami, M., Ogiso, Y., Miyazato, T., Yoshino, F., Ikeda, Y., Tachibana, A.: Rigged QED Analysis of Local Dielectric Response. Trans. Mater. Res. Soc. Jpn. 38, 535--544 (2013). https://doi.org/10.14723/tmrsj.38.535.
  36. Ikeda, Y., Senami, M., Tachibana, A.: Local electric conductive property of Si nanowire models. AIP Adv. 2, 042168 (2012). https://doi.org/10.1063/1.4769887.
  37. Ichikawa, K., Ikeda, Y., Terashima, R., Tachibana, A.: Aluminum Hydride Clusters as Hydrogen Storage Materials and their Electronic Stress Tensor Analysis. In: THERMEC 2011. pp. 1539--1544. Trans Tech Publications (2012). https://doi.org/10.4028/www.scientific.net/MSF.706-709.1539.
  38. Senami, M., Tsuchida, Y., Fukushima, A., Ikeda, Y., Tachibana, A.: Local Dielectric Property of Cubic, Tetragonal, and Monoclinic Hafnium Oxides. Jpn. J. Appl. Phys. 51, 031101 (2012). https://doi.org/10.1143/JJAP.51.031101.
  39. Senami, M., Ikeda, Y., Hara, T., Tachibana, A.: Nanosize Electronics Material Analysis by Local Quantities Based on the Rigged QED Theory. In: Technology Evolution for Silicon Nano-Electronics. pp. 66--71. Trans Tech Publications (2011). https://doi.org/10.4028/www.scientific.net/KEM.470.66.
  40. Senami, M., Ikeda, Y., Tachibana, A.: Local Transport Property of GaN Cluster as a Model of Nanowire. Jpn. J. Appl. Phys. 50, 010103 (2011). https://doi.org/10.1143/JJAP.50.010103.
  41. Ikeda, Y., Ohmori, N., Maida, N., Senami, M., Tachibana, A.: Theoretical Study of Gallium Nitride Crystal Growth Reaction Mechanism. Jpn. J. Appl. Phys. 50, 125601 (2011). https://doi.org/10.1143/JJAP.50.125601.
  42. Senami, M., Ikeda, Y., Fukushima, A., Tachibana, A.: Theoretical study of adsorption of lithium atom on carbon nanotube. AIP Adv. 1, 042106 (2011). https://doi.org/10.1063/1.3651182.
  43. Ichikawa, K., Ikeda, Y., Wagatsuma, A., Watanabe, K., Szarek, P., Tachibana, A.: Theoretical study of hydrogenated tetrahedral aluminum clusters. Int. J. Quantum Chem. 111, 3548--3555 (2011). https://doi.org/10.1002/qua.22848.
  44. Senami, M., Ikeda, Y., Fukushima, A., Tachibana, A.: Calculation of the Electronic State in Electronic Current for Nanowire Models. Jpn. J. Appl. Phys. 49, 115002 (2010). https://doi.org/10.1143/JJAP.49.115002.
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