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2. A comparative study of the dendritic avalanche in Mg[B.sub.2] thin films synthesized by pulsed laser deposition and hybrid physical chemical vapor deposition methods

Author

Jae-Yeap Lee, Hu-Jong Lee, Sung-Ik Lee, Zhuang, C.G., Wang, Y.Z., Feng, Q.R., Gan, Z.Z., Xi, X.X., Eun-Mi Choi, Jae-Hun Cho, and Young-Hun Jo

Subjects
Chemical vapor deposition -- Usage, Ablation (Vaporization technology) -- Usage, Magnesium compounds -- Magnetic properties, Magnesium compounds -- Electric properties, Magnetic hysteresis -- Analysis, Physics
Abstract

A study was conducted to examine the microscopic film structure and the magnetic hysteresis of Mg[B.sub.2] thin films synthesized by using hybrid physical chemical vapor deposition (HPCVD) which do not show dendritic avalanche compared to those prepared by pulsed laser deposition (PLD). The critical current density ([J.sub.c]), estimated from the magnetic hysteresis based on the Bean's critical-state model which showed a much higher [J.sub.c] in the PLD film than in a HPCVD film indicated higher vortex pinning in the PLD film.

Published
2009

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