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Ultrafast giant atomic EELS color map across the SrTiO3/LaMnO4 interfaces

Legend

Green: Ti L at 456 eV; red: Sr L at 1940 eV; purple: La M at 832 eV; blue: Mn L at 640 eV

Methods

Probe-corrected Jeol ARM 200 TEM/STEM microscope; C-FEG emission gun; GIF Quantum® ER system; voltage: 200 kV; data taken in STEM mode; EELS core-loss spectrum (30 – 2300 eV): 1.5 ms; beam current: 200 pA; dataset size: 1050 x 1050 pixels

Authored by

Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA Microscope courtesy of Dr. P. Rice and Dr. T. Topuria at IBM (Almaden), San Jose, CA Acknowledgement to Dr. P. Rice and Dr. T. Topuria at IBM (Almaden) for helping set up microscope for experiment.
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