Observation of vortex distribution in YBCO-QMG samples and YBCO thin films

Yamada, H.; Moriai, Kumi; Kanno, Shinsuke; Aizawa, Katsuo; Kusünoki, Masanobu; Mukaida, Masashi; Ohshima, Shigetoshi

doi:10.1016/s0921-4534(02)01495-8

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Magnetic-decoration Imaging Of Induced Vortex Structural Tra...1

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2008

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“…As a consequence, the local induction modulation is smaller for a thin film (t < λ) than for a crystal of the same material, which seriously limits the individual-vortex resolution of the magnetic-decoration technique. In fact, only three works report on magnetic decoration of vortices in pristine thin films [108,162,163]. The magnetic-decoration imaging of structural transitions in thin films still remains quite a challenging experiment.…”

Section: Magnetic-decoration Imaging Of Induced Vortex Structural Tra...mentioning

confidence: 99%

Magnetic-decoration imaging of structural transitions induced in vortex matter

Fasano

Menghini

2008

Supercond. Sci. Technol.

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During the last two decades, vortex structural transitions in type-II superconductors have been the subject of a considerable amount of theoretical and experimental studies. This article presents an exhaustive review of reports on real-space imaging of vortex structural transitions induced by introduced pinning potentials. The focus is set on the application of the magnetic-decoration technique to image structural transformations in three-dimensional vortex matter. Technical details, open issues and selected results in the paradigmatic high-and low-T c materials Bi 2 Sr 2 CaCu 2 O 8 and NbSe 2 are presented. The role played by substrate disorder, nucleation and growth dynamics of the vortex solid, elastic properties and anisotropy of vortex matter is analysed.

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Section: Magnetic-decoration Imaging Of Induced Vortex Structural Tra...mentioning

confidence: 99%