Figure 4
From: Magneto-optical borogermanate glasses and fibers containing Tb3+
(A) HRTEM micrograph of BGB-18Tb [the inset shows the fast Fourier transform (FFT)]. (B) HAADF mode (Z-contrast) image of the analyzed area (1) and elemental EDS mapping for Ba-K (2), Tb-L (3), and O-K (4).
