Standing Spin Wave Resonances in Manganite Films

S. E. Lofland, S. M. Bhagat, C. Kwon +3

We report the first observation of spin wave resonances in 110 nm thick films of LBMO. The spin wave stiffness follows $D$ = 47 (1 - 3 \times 10${}_{-7}$ $T^{5/2}$) meV${\mathring{A}}_2$.