Premium
Structural changes in Ba‐compounds of different hardness induced by high‐energy ball milling – evidenced by 137 Ba NMR and X‐ray powder diffraction
Author(s) -
Zänker Steffen,
Scholz Gudrun,
Marquardt Julien,
Emmerling Franziska
Publication year - 2022
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.202200026
Subject(s) - powder diffraction , ball mill , materials science , microstructure , crystallography , barium , solid state nuclear magnetic resonance , diffraction , x ray crystallography , mechanochemistry , chemical engineering , metallurgy , nanotechnology , chemistry , nuclear magnetic resonance , physics , engineering , optics
Changes in the global bulk and local structures, of three different barium compounds (BaZrO 3 , BaF 2 , and BaFCl),were induced by mechanical milling and followed using X‐ray powder diffraction (PXRD), subsequent microstructure analysis, and 137 Ba solid state NMR spectroscopy. Harder materials like BaZrO 3 experience significantly higher structural changes upon milling than softer materials like BaF 2 . Moreover, soft materials with layered structures, like BaFCl, show a pronounced structural change during the milling process. By combining PXRD and solid state NMR, detailed information on the changes to the global and local structures were obtained, which are of interest for mechanochemical synthesis, mechanically treated catalysts or ionic conductors.