Quantum vortex melting in Nb/CuMn multilayers

C. Attanasio; C. Coccorese; L. Maritato; S. Prischepa; M. Salvato; B. Engel; C. Falco

doi:10.1103/PhysRevB.53.1087

Quantum vortex melting in Nb/CuMn multilayers

C. Attanasio, C. Coccorese, L. Maritato, S. Prischepa, M. Salvato, B. Engel, C. Falco

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We have measured the electrical resistance R vs temperature T in different perpendicular magnetic fields on Nb/CuMn multilayers. The samples had constant Nb layer thickness (∼230 Å) and CuMn layer thicknesses in the range 4-50 Å. Below the zero-field superconducting critical temperature (Formula presented), the (lnR vs 1/T) curves showed a sharp change in the slope at magnetic-field-dependent temperatures (Formula presented)(H). The (Formula presented) vs H curves are consistent with vortex-lattice melting, mainly due to quantum fluctuations.

Original language	English (US)
Pages (from-to)	1087-1090
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	53
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.53.1087
State	Published - Jan 1 1996

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Quantum vortex melting in Nb/CuMn multilayers",

abstract = "We have measured the electrical resistance R vs temperature T in different perpendicular magnetic fields on Nb/CuMn multilayers. The samples had constant Nb layer thickness (∼230 {\AA}) and CuMn layer thicknesses in the range 4-50 {\AA}. Below the zero-field superconducting critical temperature (Formula presented), the (lnR vs 1/T) curves showed a sharp change in the slope at magnetic-field-dependent temperatures (Formula presented)(H). The (Formula presented) vs H curves are consistent with vortex-lattice melting, mainly due to quantum fluctuations.",

author = "C. Attanasio and C. Coccorese and L. Maritato and S. Prischepa and M. Salvato and B. Engel and C. Falco",

year = "1996",

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T1 - Quantum vortex melting in Nb/CuMn multilayers

AU - Attanasio, C.

AU - Coccorese, C.

AU - Maritato, L.

AU - Prischepa, S.

AU - Salvato, M.

AU - Engel, B.

AU - Falco, C.

PY - 1996/1/1

Y1 - 1996/1/1

N2 - We have measured the electrical resistance R vs temperature T in different perpendicular magnetic fields on Nb/CuMn multilayers. The samples had constant Nb layer thickness (∼230 Å) and CuMn layer thicknesses in the range 4-50 Å. Below the zero-field superconducting critical temperature (Formula presented), the (lnR vs 1/T) curves showed a sharp change in the slope at magnetic-field-dependent temperatures (Formula presented)(H). The (Formula presented) vs H curves are consistent with vortex-lattice melting, mainly due to quantum fluctuations.

AB - We have measured the electrical resistance R vs temperature T in different perpendicular magnetic fields on Nb/CuMn multilayers. The samples had constant Nb layer thickness (∼230 Å) and CuMn layer thicknesses in the range 4-50 Å. Below the zero-field superconducting critical temperature (Formula presented), the (lnR vs 1/T) curves showed a sharp change in the slope at magnetic-field-dependent temperatures (Formula presented)(H). The (Formula presented) vs H curves are consistent with vortex-lattice melting, mainly due to quantum fluctuations.

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