https://halat-lab.com/wp-content/uploads/2026/01/HL_Clean_and_Color_BEST-232x300.png00Academic Web Pageshttps://halat-lab.com/wp-content/uploads/2026/01/HL_Clean_and_Color_BEST-232x300.pngAcademic Web Pages2018-04-01 00:00:002018-04-01 00:00:00Study of Defect Chemistry in the System La2-xSrxNiO4+δ by 17O Solid-State NMR Spectroscopy and Ni K-Edge XANES