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Probing Functional Oxides by Ultra-High Resolution EELS under Variable-Temperature Stimuli

The quest for advanced functional materials towards higher performance remains a key area in which complex oxides are a promising class of materials across a large spectrum of functionalities. Transitionmetal (TM) oxides exhibit a strong interplay between their charge, lattice, orbital, and spin degrees of freedom that are usually further activated under external stimuli. These phenomena originate from subtle but critical local modulations of their atomic and/or electronic structures that strongly govern their physical properties at the macroscopic scale. Hence the requirement to probe the nanostructure’s local properties in their native environments using in situ ultra-high resolution electron spectromicroscopy.