Fig. 4
From: Atomic-scale combination of germanium-zinc nanofibers for structural and electrochemical evolution
Physical analysis of O-dGNFs and O-dGZNFs at various states. a, b Core-level XPS spectra of pristine and O-dGZNFs-50th electrodes after partial etching to remove the SEI layer in Zn 2p. EXAFS spectra of c O-dGNFs and d O-dGZNFs at various states
