Effects of sample size on the second magnetization peak in Bi 2Sr2CaCuO8+δ at low temperatures

B. Kalisky; A. Shaulov; Y. Yeshurun

doi:10.1007/bf02704943

Effects of sample size on the second magnetization peak in Bi ₂Sr₂CaCuO_8+δ at low temperatures

Department of Physics - at Bar-Ilan University

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

2 Scopus citations

Abstract

Effects of sample size on the second magnetization peak (SMP) in Bi ₂Sr₂CaCuO_8+δ crystals are observed at low temperatures, above the temperature where the SMP totally disappears. In particular, the onset of the SMP shifts to lower fields as the sample size decreases - a result that could be interpreted as a size effect in the order-disorder vortex matter phase transition. However, local magnetic measurements trace this effect to metastable disordered vortex states, revealing the same order-disorder transition induction in samples of different size.

Original language	English
Pages (from-to)	141-147
Number of pages	7
Journal	Pramana - Journal of Physics
Volume	66
Issue number	1
DOIs	https://doi.org/10.1007/bf02704943
State	Published - Jan 2006

Bibliographical note

Funding Information:
The authors would like to thank Tsuyoshi Tamegai for providing us with the Bi2Sr2CaCu2O8+δ crystal. AS acknowledges support from the German–Israel Foundation (GIF). YY acknowledges support from the Wolfson Foundation. This research is supported by the ISF Center of Excellence Program (Grant No. 8003/02) and the Heinrich Hertz Minerva Center for High Temperature Superconductivity.

Funding

The authors would like to thank Tsuyoshi Tamegai for providing us with the Bi2Sr2CaCu2O8+δ crystal. AS acknowledges support from the German–Israel Foundation (GIF). YY acknowledges support from the Wolfson Foundation. This research is supported by the ISF Center of Excellence Program (Grant No. 8003/02) and the Heinrich Hertz Minerva Center for High Temperature Superconductivity.

Funders	Funder number
German–Israel Foundation
Heinrich Hertz Minerva Center
ISF Center of Excellence Program	8003/02
Wolfson Foundation

Keywords

BSCCO
Phase transition
Vortex matter

Access to Document

10.1007/bf02704943

Cite this

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title = "Effects of sample size on the second magnetization peak in Bi 2Sr2CaCuO8+δ at low temperatures",

abstract = "Effects of sample size on the second magnetization peak (SMP) in Bi 2Sr2CaCuO8+δ crystals are observed at low temperatures, above the temperature where the SMP totally disappears. In particular, the onset of the SMP shifts to lower fields as the sample size decreases - a result that could be interpreted as a size effect in the order-disorder vortex matter phase transition. However, local magnetic measurements trace this effect to metastable disordered vortex states, revealing the same order-disorder transition induction in samples of different size.",

keywords = "BSCCO, Phase transition, Vortex matter",

author = "B. Kalisky and A. Shaulov and Y. Yeshurun",

note = "Funding Information: The authors would like to thank Tsuyoshi Tamegai for providing us with the Bi2Sr2CaCu2O8+δ crystal. AS acknowledges support from the German–Israel Foundation (GIF). YY acknowledges support from the Wolfson Foundation. This research is supported by the ISF Center of Excellence Program (Grant No. 8003/02) and the Heinrich Hertz Minerva Center for High Temperature Superconductivity.",

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