(a) Composite-ME laminate with ac magnetic drive and lock-in detection; the measured voltage is proportional to dλ′/dH + idλ′′/dH. (b) The magnetostriction coefficient of Kitaev spin liquid candidate, Na₃Co₂SbO₆ measured as a function of magnetic field captured at selected temperatures (H//b). (c) and (d) Comparison of the real and imaginary parts of the ac magnetostriction coefficient and ac magnetic susceptibility recorded at 2 K [4]. (e) Background-subtracted field-dependent oscillations of V_x at selected temperatures with B//c for Dirac nodal-line semimetal ZrSiS. (f) FFT spectrum (5–1000 T) over a magnetic field range of 1–13 T. (g) FFT spectrum (7.5–11.5 kT) across a magnetic field range of 1–13 T [3]. Magnetic field dependence of (h) magnetization M, (i) real and imaginary components of the ac magnetostrictive coefficient of polycrystalline Nb superconductor. (j) Resistance and (k) dλ′/dH under various magnetic fields [5].