Rok 2025

• Chemical Origins of Optically Addressable Spin States in Eu2(P2S6) and Eu2(P2Se6)

  Publikacja

  • U. V. Chinaegbomkpa
  • X. Huai
  • M. J. Winiarski (dawniej: M. Winiarski)
  • H. Sanabria
  • T. Tran

  - ACS Materials Au - Rok 2025

  Lanthanide materials with a 4f7 electron configuration (8S7/2) offer an exciting system for realizing multiple addressable spin states for qubit design. While the 8S7/2 ground state of 4f7 free ions displays an isotropic character, breaking degeneracy of this ground state and excited states can be achieved through local symmetry of the lanthanide and the choice of ligands. This makes Eu2+ attractive as it mirrors Gd3+ in exhibiting...

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Rok 2024

• Fine-Tuning the Photocatalytic Activity of the Anatase {1 0 1} Facet through Dopant-Controlled Reduction of the Spontaneously Present Donor State Density

  Publikacja

  • S. Dudziak
  • J. Karczewski
  • A. Ostrowski
  • G. Trykowski
  • K. Nikiforow
  • A. Zielińska-Jurek

  - ACS Materials Au - Rok 2024

  The present study highlights the importance of the net density of charge carriers at the ground state on photocatalytic activity of the faceted particles, which can be seen as a highly underexplored problem. To investigate it in detail, we have systematically doped {1 0 1} enclosed anatase nanoparticles with Gd3+ ions to manipulate the charge carrier concentration. Furthermore, control experiments using an analogical Nb5+ doped...

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