Fig. 3: Identification of long-range biaxial strain in MnO2/graphene superlattice via TEM. | Nature Communications

Fig. 3: Identification of long-range biaxial strain in MnO2/graphene superlattice via TEM.

From: Cooperative Jahn-Teller effect and engineered long-range strain in manganese oxide/graphene superlattice for aqueous zinc-ion batteries

Fig. 3: Identification of long-range biaxial strain in MnO2/graphene superlattice via TEM.The alt text for this image may have been generated using AI.

a HAADF-STEM image (scale bar, 1 nm) recorded along the [002] direction with iFFT image (in the yellow square) showing the existence of CJTE in MnO2/graphene superlattice along with b its corresponding FFT pattern (scale bar, 5 nm−1). The calculated c εxx, d εyy, and e εxy strain components via GPA. f Distribution and g statistics analysis of ratios of orthometric strain εc versus εab.

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