Tunable disorder in magnonics

Magnonic Crystal as a Medium with Tunable Disorder on a Periodical Lattice.
J. Ding, M. Kostylev, and A. O. Adeyeye
Phys. Rev. Lett. 107, 047205 (2011)

(a): SEM image of the CPW line and of two nanowires arrays (inset). (b): SEM image of the alternating
width nanowire array (w1= 260 nm, w2= 220 nm and edgeto-edge separation g = 60 nm). (c): Full loop 2D FMR absorption
spectra for the array. (d): Normalized M-H loop for the array.