Grain size and shape

Rodriguez, B.J, S Choudhury, Y.H Chu, A Bhattacharyya, S Jesse, K Seal, A.P Baddorf, Ramamoorthy Ramesh, L.-Q Chen, and S.V Kalinin. "Unraveling deterministic mesoscopic polarization switching mechanisms: spatially resolved studies of a tilt grain boundary in bismuth ferrite." Advanced Functional Materials 19 (2009) 2053–2063.

Rodriguez, B.J, Y.H Chu, Ramamoorthy Ramesh, and S.V Kalinin. "Ferroelectric domain wall pinning at a bicrystal grain boundary in bismuth ferrite." Applied Physics Letters 93 (2008).

Eatough, Michael, Duane Dimos, Bruce Tuttle, William Warren, and Ramamoorthy Ramesh. "Study of switching behavior in Pb(Zr,Ti)O3 thin films using X-ray diffraction." Materials Research Society Symposium - Proceedings. Vol. 361. Materials Research Society, Pittsburgh, PA, United States, 1995. 111–116.