Microwave surface resistance in BSCCO crystal: Magnetic field and angular measurement

E. Silva; R. Fastampa; M. Giura; R. Marcon; C. Possanzini; S. Sarti; E. L. Wolf

doi:10.1016/S0921-4534(97)01063-0

Microwave surface resistance in BSCCO crystal: Magnetic field and angular measurement

E. Silva, R. Fastampa, M. Giura, R. Marcon, C. Possanzini, S. Sarti, E. L. Wolf

Applied Physics

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

Abstract

We report on measurement of the microwave surface resistance R_s at 48 GHz on a BSCCO (2212 phase) crystal. We describe the procedure developed to perform measurements on crystals by the use of a resonant cavity with end-wall-replacement technique. The measurements are taken as a function of the temperature, magnetic field and angle θ & between the field orientation and the (a,b) planes. The measured R_s is strongly anisotropic. The overall angular behavior reasonably follows the sinθ scaling rule, but deviation from this simple behavior appears approaching the parallel orientation. When the field is parallel to the (a,b) planes, a local maximum is observed in R_s, instead of a minimum. Finally, we show that the magnetic field dependence of R_s cannot be easily reconciled with existing theories for the motion of rigid flux lines.

Original language	English (US)
Pages (from-to)	1985-1986
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	282
Issue number	PART 4
DOIs	https://doi.org/10.1016/S0921-4534(97)01063-0
State	Published - Aug 1997

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/S0921-4534(97)01063-0

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title = "Microwave surface resistance in BSCCO crystal: Magnetic field and angular measurement",

abstract = "We report on measurement of the microwave surface resistance Rs at 48 GHz on a BSCCO (2212 phase) crystal. We describe the procedure developed to perform measurements on crystals by the use of a resonant cavity with end-wall-replacement technique. The measurements are taken as a function of the temperature, magnetic field and angle θ & between the field orientation and the (a,b) planes. The measured Rs is strongly anisotropic. The overall angular behavior reasonably follows the sinθ scaling rule, but deviation from this simple behavior appears approaching the parallel orientation. When the field is parallel to the (a,b) planes, a local maximum is observed in Rs, instead of a minimum. Finally, we show that the magnetic field dependence of Rs cannot be easily reconciled with existing theories for the motion of rigid flux lines.",

author = "E. Silva and R. Fastampa and M. Giura and R. Marcon and C. Possanzini and S. Sarti and Wolf, {E. L.}",

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TY - JOUR

T1 - Microwave surface resistance in BSCCO crystal

T2 - Magnetic field and angular measurement

AU - Silva, E.

AU - Fastampa, R.

AU - Giura, M.

AU - Marcon, R.

AU - Possanzini, C.

AU - Sarti, S.

AU - Wolf, E. L.

PY - 1997/8

Y1 - 1997/8

N2 - We report on measurement of the microwave surface resistance Rs at 48 GHz on a BSCCO (2212 phase) crystal. We describe the procedure developed to perform measurements on crystals by the use of a resonant cavity with end-wall-replacement technique. The measurements are taken as a function of the temperature, magnetic field and angle θ & between the field orientation and the (a,b) planes. The measured Rs is strongly anisotropic. The overall angular behavior reasonably follows the sinθ scaling rule, but deviation from this simple behavior appears approaching the parallel orientation. When the field is parallel to the (a,b) planes, a local maximum is observed in Rs, instead of a minimum. Finally, we show that the magnetic field dependence of Rs cannot be easily reconciled with existing theories for the motion of rigid flux lines.

AB - We report on measurement of the microwave surface resistance Rs at 48 GHz on a BSCCO (2212 phase) crystal. We describe the procedure developed to perform measurements on crystals by the use of a resonant cavity with end-wall-replacement technique. The measurements are taken as a function of the temperature, magnetic field and angle θ & between the field orientation and the (a,b) planes. The measured Rs is strongly anisotropic. The overall angular behavior reasonably follows the sinθ scaling rule, but deviation from this simple behavior appears approaching the parallel orientation. When the field is parallel to the (a,b) planes, a local maximum is observed in Rs, instead of a minimum. Finally, we show that the magnetic field dependence of Rs cannot be easily reconciled with existing theories for the motion of rigid flux lines.

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JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

IS - PART 4

ER -

Microwave surface resistance in BSCCO crystal: Magnetic field and angular measurement

Abstract

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