Fig. 2: The characterization of AuTe2Se4/3.
From: Ultrafast photonics of two dimensional AuTe2Se4/3 in fiber lasers
a X-ray diffraction (XRD) pattern. b Transmission electron microscope (TEM) images. c High resolution TEM (HR-TEM) and selected-area electron diffraction (SAED) (inset) images. d x-ray photoelectron spectroscopy (XPS) of Te 3d, Au 4 f and Se 3d of the AuTe2Se4/3 crystal. e Atomic force microscopy (AFM) images of AuTe2Se4/3 saturable absorber (SA) and typical height profiles.
