Browsing by Author "Chiang, Wen-Chung"

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Metropolitan-scale grid environment: The implementation and applications of TIGER grid
(2006)
Yang, Chao-Tung
;
Han, Tsu-Fen
;
Shih, Wen-Chung
;
Chiang, Wen-Chung
;
Chang, Chih-Hung
Internet computing and Grid technologies promise to change the way we tackle complex problems. Harnessing these new technologies effectively, it will transform scientific disciplines ranging from high-energy physics to life sciences. This paper describes a metropolitan-scale Grid computing platform named TIGER Project (standing for Taichung Integrating Grid Environment and Resource), which basically interconnects universities and high schools\' Grid computing resources and sharing available resources among them, for investigations in system technologies and high performance applications. This novel project shows the viability of implementation of such project in a metropolitan city.
Superconductivity-induced magnetoresistance suppression in hybrid superconductor/magnetic tunnel junctions
(2009-01-01)
Chang, Yin-Ming
;
Li, Kai-Shin
;
Chiang, Wen-Chung
;
Lin, Jiunn-Yuan
;
Lin, Minn-Tsong
Hybrid superconductor/magnetic tunnel junctions of Nb/CoFe/AlO/CoFe/NiFe have been implemented to investigate the impact of the superconducting Nb layer on the proximal ferromagnetic CoFe layer. A suppression of tunneling magnetoresistance effect is observed as the Nb layer undergoes the superconducting transition. This suppression is thought to be due primarily to the coupling of the magnetic inhomogeneity of CoFe to the superconductivity of Nb. The magnetic structure-vortex interactions interplay each other, inducing a complex domain evolution in the magnetization process and consequently degrading the junction's antiparallel magnetization alignment.