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Resistance Switching in View of Electron Hole Dynamics in Ferroelectric Related Oxides
Yukio Watanabe,Daisuke Matusmoto,Mizuki Yamato,Shigeru Kaku 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.51 No.2I
An examination of typical switching experiments shows that the performances of the resistance switching in transition-metal oxides vary widely and depend on the details of each experiment. Conventional defect mechanisms, such as oxygen vacancies, work in some experiments. However, by comparing the macroscopic and the nanometer-scale characteristics and switching, we show here that other experiments indicate the possible existence of a more intrinsic physically new mechanism.VISITOR=Gzm-G
SHAPE-SELECTIVE ISOPROPYLATION OF BIPHENYL OVER DEALUMINATED H-MORDENITES
Sugi, Y,Kim, J.H,Matsuzaki, T,Hanaoka, T,Kubota, Y,Tu, X,Matusmoto, M 전남대학교 촉매연구소 1993 촉매학술발표회 Vol.- No.10
Shape-selective alkylation using zeolitc is a useful way to introduce functional groups symmeetrically to aromatic hydrocarbons. One of important development on shape-selective catalysis achieved recently is the success in isopropylation of polynuclear aromatics, such as biphinyl and naphthalene over H-mordenite[1-5]. However, the mechanism of the catalysis related to solid acid sites and steric requirement in zeolite pores have not been fully understood. In this paper, we examine the isopropylation of biphenyland the ismerization of 4,4'-diisopropylbiphenyl over highly dealuminated H-mordenites, and discuss the mechanism of the catalysis.