原子間力顕微鏡(AFM)による三酸化タングステンWO_3の研究
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概要
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WO_3 has the spontaneous polarization along the c-crystal axis. The cleavage plane of WO_3 is the c-plane. The twin domain structures holding in common <110> axes of a WO_3 single crystal have been measured by Polarized Light Microscope. The twin angle on the c-plain have been measured by Atomic Force Microscope (AFM) at room temperature. The twin angle θ calculated from the lattice consatnts a and b is represented θ=2tan^<-1>(a/b) -90°, and θ=1.78° calculated from the ratio a/b=0.969. On the other hand, the twin angle θ measured from AFM is 1.48°, and the obtained ratio a/b=0.974.
- 鹿児島大学の論文
- 2006-08-30