Figure - available from: AIP Advances
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a) Repeated temperature-dependent resistance measurements of the LSCO/LAO film with a current of 1 μA. b) Temperature-dependent resistance difference between warming and cooling curves at each cycle. c) The magnetic hysteresis after repeated measurements (red) compared with the original one (black) at 10 K. d) Temperature-dependent in-plane magnetization measured in the FC mode after repeated measurements (red) compared with the original one (black). The index numbers in the image represent the cycle index of measurements.
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Modulating the oxygen defect concentration has been accepted as an effective method to obtain high catalytic activity in perovskite cobaltites. However, controllably modifying the oxygen vacancy is still a challenge in this type of materials, which strongly obstructs their application. Here, we report a successful oxygen vacancies modulation in the...
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