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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Nat Phys. 2015 Jan 1;11(1):69–74. doi: 10.1038/nphys3152

Figure 4. Field dependence of magnetic and magneto-chiral dichroism of the [Co-NIT]∞ helix.

Figure 4

XMχD (red dots) and XMCD (blue dots) measured at the photon energy of their maximum intensity (see inset) are reported as a function of the magnetic field applied at 15° from the c crystallographic axis at T=8 K. In the inset the photon energy dependence of the intensity of the dichroic contributions (XNCD in green, XMCD in blue, XMχD in red) are reported as the asymmetric ratio g=Δμ/μ, i.e. normalizing the signal to the absorption intensity at the same photon energy, which is assumed to be zero before the K-edge. The arrows indicate the photon energy used to record the field dependence of the corresponding dichroic signals.