Discovery of Hexagonal Structured Pd–B Nanocrystals

Keigo Kobayashi, Hirokazu Kobayashi, Mitsuhiko Maesato, Mikihiro Hayashi, Tomokazu Yamamoto, Satoru Yoshioka, Syo Matsumura, Takeharu Sugiyama, Shogo Kawaguchi, Yoshiki Kubota, Hiroshi Nakanishi, Hiroshi Kitagawa

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Abstract

We report on hexagonal close-packed (hcp) palladium (Pd)–boron (B) nanocrystals (NCs) by heavy B doping into face-centered cubic (fcc) Pd NCs. Scanning transmission electron microscopy–electron energy loss spectroscopy and synchrotron powder X-ray diffraction measurements demonstrated that the B atoms are homogeneously distributed inside the hcp Pd lattice. The large paramagnetic susceptibility of Pd is significantly suppressed in Pd–B NCs in good agreement with the reduction of density of states at Fermi energy suggested by X-ray absorption near-edge structure and theoretical calculations.

Original languageEnglish
Pages (from-to)6578-6582
Number of pages5
JournalAngewandte Chemie - International Edition
Volume56
Issue number23
DOIs
Publication statusPublished - Jan 1 2017

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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    Kobayashi, K., Kobayashi, H., Maesato, M., Hayashi, M., Yamamoto, T., Yoshioka, S., Matsumura, S., Sugiyama, T., Kawaguchi, S., Kubota, Y., Nakanishi, H., & Kitagawa, H. (2017). Discovery of Hexagonal Structured Pd–B Nanocrystals. Angewandte Chemie - International Edition, 56(23), 6578-6582. https://doi.org/10.1002/anie.201703209