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Generation of carbon, silicon and silver clusters by the laser-vaporization supersonicexpansion cluster beam source was studied using a reflectron type time-of-flight (TOF) mass spectrometer. Atomic cluster was generated by the laser vaporization of solid sample disk followed by cooling with supersonic expansion of pulsed helium gas. The neutral cluster(More)
Perovskite-type BaTiO<sub>3</sub>/SrTiO<sub>3</sub> (BTO/STO) artificial superlattices were fabricated on STO substrates by molecular beam epitaxy method. The XRD profiles and the RHEED oscillations during the growth of superlattices indicated that crystalline orientation toward (001) direction and two dimensional layer-by-layer growth were achieved. The(More)
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