Static and dynamic structures of ferroelectric domains studied with scanning force microscopy

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Abstract
Scanning force microscopy has been employed to investigate static and dynamic surface structures on ferroelectric crystals of GASH and TGS. On the crystal cleavage faces two sets of complementary results are obtained depending on the operation mode of the force microscope: (1) In the contact mode, static domain structures and superimposed cleavage structures are imaged on GASH(0001), whereas on TGS(010) specific domain erosion due to water adsorption is observed. Additionally, molecular resolution has been achieved on GASH surfaces. (2) In the non-contact mode, domain walls are revealed and the motions of the walls due to heat treatment are documented.