Extended Data Fig. 3: SIMS spectra of other elements in thin film and substrate.
From: Critical role of hydrogen for superconductivity in nickelates

SIMS signals of O, Ti, Ni, Sr, Nd secondary ions in the films under different H doping levels.
From: Critical role of hydrogen for superconductivity in nickelates
SIMS signals of O, Ti, Ni, Sr, Nd secondary ions in the films under different H doping levels.