Phase transition in ER suspensions

Lattice plane Sphere diam. (pin) Experiment ( jun) Theory (pm) 

Kigure 7 The laser difTraction patlern of Iwo monodispersed glass microspheres of highly uniform diameter, either 20.0+1.8 or 40.7+1.7 mm, dispersed in a low viscosity silicone oil. a) Fibrillated chains formed between two electrodes of gap si/.e 3 mm, b) Diffraction pattern of a (110) plane for 20.0 mm spheres c) Pattern of a (110) plane for 40.7 mm spheres d) Pattern of a (100) plane for 40.7 mm spheres. In b) and d), the centers are masked to suppress overexposure. Reproduced with permission from T. Chen, R.N. Zitter, R. Tao, Phys. Rev. Lett. 68(1992)2555. 

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