B. J. Yang

Enhanced Optical Gap in Bi-layered Manganites La$_{2-2x}$Sr$_{1+2x}$Mn$_{2}$O$_{7}$ near $x=0.4$ (2006)

Kim, Myung Whun, Lee, H. J., Yang, B. J., Kim, Kee Hoon, Moritomo, Y., Yu, Jaejun, ...

We have systematically investigated the optical conductivity spectra of La$_{2-2x}$Sr$_{1+2x}$Mn$_{2}$O$_{7}$ ($0.3 \leqslant x \leqslant 0.5$). We find that just above the magnetic ordering...