Abstract
We present the non-equilibrium phase diagram of rod-like colloids (fd-viruses) under shearflow. The shear-induced displacement of the isotropic–nematic binodal is obtained fromtime resolved rheology measurements. Vorticity banding is observed within thebiphasic region, as bounded by the binodal. Here, in the stationary state, regular,millimetre sized bands with mutually differing orientational order are stacked alongthe vorticity direction. For the fully nematic phase we determine the location oftransition lines from tumbling to either wagging or flow aligning, depending on theconcentration. The location of these dynamical transition lines agree with theoryfor hard rods, when scaling to the orientational order parameter in equilibrium.
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