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The effects of the lattice misfit strain on the crystal system and the ferroelectric properties of BiFeO3 epitaxial thin films were investigated. The misfit strain was controlled by the introduction of a buffer layer. When the film thickness of BiFeO3 is 130 nm, the lattice parameter of the film was controlled by the lattice misfit. Furthermore, when the(More)
We have developed a percutaneous method of parathyroid transplantation into the forearm through a mildly bent 14G Medicut needle. Ten pieces of parathyroid tissue measuring approximately 1 mm suspended in physiological saline were injected twice. The results of this method in 10 patients under hemodialysis were compared with those in 15 patients treated(More)
Edge shift and jitter characteristics have been examined using both conventional disks and an overwritable disk with three exchange-coupled layers. Edge jitter consists of random jitter, edge shifts dependent on data patterns (thermal interference), and edge shifts independent of data patterns (fluctuations of temperature or light spot control). Write(More)
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