Fig. 1: Crystal structure and characterizations of CuVP2S6. | Nature Communications

Fig. 1: Crystal structure and characterizations of CuVP2S6.

From: Intrinsic ferroelectric CuVP2S6 for potential applications in neuromorphic recognition and translation

Fig. 1

a Optical image of CuVP2S6. b, c Top and side views of the atomic structure of CuVP2S6. d Thickness-dependent Raman spectra of CuVP2S6 flakes. Four peaks with Eg and Ag modes are observed. e-h XPS spectra of Cu 2p, V 2p, P 2p, and S 2p orbitals, which are in line with the corresponding standard characteristic peak positions.

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