Order-disorder phase transition in (formula presented) Absence of amorphous vortex matter

Yanina Fasano; M. Menghini; F. De La Cruz; Y. Paltiel; Y. Myasoedov; E. Zeldov; M. J. Higgins; S. Bhattacharya

doi:10.1103/PhysRevB.66.020512

Order-disorder phase transition in (formula presented) Absence of amorphous vortex matter

Yanina Fasano, M. Menghini, F. De La Cruz, Y. Paltiel, Y. Myasoedov, E. Zeldov, M. J. Higgins, S. Bhattacharya

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Abstract

Recent studies have proposed that the peak effect in the critical current (a dynamic property) is a consequence of an order-disorder phase transition in the vortex system. We have made magnetic decorations of vortex structures in samples with both phases. It is found that the structural symmetry of the disordered phase is polycrystalline rather than amorphous and that there is no obvious correlation between the topology of the vortex structure and the enhancement of the critical current in the disordered phase.

Original language	American English
Pages (from-to)	1-4
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	66
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevB.66.020512
State	Published - 2002
Externally published	Yes

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10.1103/PhysRevB.66.020512

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abstract = "Recent studies have proposed that the peak effect in the critical current (a dynamic property) is a consequence of an order-disorder phase transition in the vortex system. We have made magnetic decorations of vortex structures in samples with both phases. It is found that the structural symmetry of the disordered phase is polycrystalline rather than amorphous and that there is no obvious correlation between the topology of the vortex structure and the enhancement of the critical current in the disordered phase.",

author = "Yanina Fasano and M. Menghini and {De La Cruz}, F. and Y. Paltiel and Y. Myasoedov and E. Zeldov and Higgins, {M. J.} and S. Bhattacharya",

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AU - Fasano, Yanina

AU - Menghini, M.

AU - De La Cruz, F.

AU - Paltiel, Y.

AU - Myasoedov, Y.

AU - Zeldov, E.

AU - Higgins, M. J.

AU - Bhattacharya, S.

PY - 2002

Y1 - 2002

N2 - Recent studies have proposed that the peak effect in the critical current (a dynamic property) is a consequence of an order-disorder phase transition in the vortex system. We have made magnetic decorations of vortex structures in samples with both phases. It is found that the structural symmetry of the disordered phase is polycrystalline rather than amorphous and that there is no obvious correlation between the topology of the vortex structure and the enhancement of the critical current in the disordered phase.

AB - Recent studies have proposed that the peak effect in the critical current (a dynamic property) is a consequence of an order-disorder phase transition in the vortex system. We have made magnetic decorations of vortex structures in samples with both phases. It is found that the structural symmetry of the disordered phase is polycrystalline rather than amorphous and that there is no obvious correlation between the topology of the vortex structure and the enhancement of the critical current in the disordered phase.

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DO - 10.1103/PhysRevB.66.020512

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

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ER -

Order-disorder phase transition in (formula presented) Absence of amorphous vortex matter

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