Transport properties of YBa2Cu3O7-σ/ferromagnetic interfaces

Nir Hass; M. Covington; W. L. Feldmann; Laura Greene; Mark Johnson

doi:10.1016/0921-4534(94)92174-1

Transport properties of YBa₂Cu₃O_7-σ/ferromagnetic interfaces

Nir Hass, M. Covington, W. L. Feldmann, Laura Greene, Mark Johnson

Physics

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

Abstract

The transport properties of YBa₂Cu₃O_7-σ/permalloy interfaces as a function of temperature and small magnetic fields are presented. High quality (001) and (100) oriented YBa₂Cu₃O_7-σ (YBCO) thin films are prepared by the off-axis sputtering technique. Permalloy (Ni_0.8Fe_0.2) films are then deposited on top of the YBCO films, and patterned in order to obtain sub-millimeter contacts. The interface resistances in the normal and superconducting state of the YBCO are measured as a function of an applied magnetic field. The results are discussed in the framework of electron spin transport across the interface and spin diffusion in the bulk of the superconductor.

Original language	English (US)
Pages (from-to)	1905-1906
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	235-240
Issue number	PART 3
DOIs	https://doi.org/10.1016/0921-4534(94)92174-1
State	Published - Dec 1994

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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10.1016/0921-4534(94)92174-1

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Cite this

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title = "Transport properties of YBa2Cu3O7-σ/ferromagnetic interfaces",

abstract = "The transport properties of YBa2Cu3O7-σ/permalloy interfaces as a function of temperature and small magnetic fields are presented. High quality (001) and (100) oriented YBa2Cu3O7-σ (YBCO) thin films are prepared by the off-axis sputtering technique. Permalloy (Ni0.8Fe0.2) films are then deposited on top of the YBCO films, and patterned in order to obtain sub-millimeter contacts. The interface resistances in the normal and superconducting state of the YBCO are measured as a function of an applied magnetic field. The results are discussed in the framework of electron spin transport across the interface and spin diffusion in the bulk of the superconductor.",

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AU - Hass, Nir

AU - Covington, M.

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AU - Greene, Laura

AU - Johnson, Mark

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AB - The transport properties of YBa2Cu3O7-σ/permalloy interfaces as a function of temperature and small magnetic fields are presented. High quality (001) and (100) oriented YBa2Cu3O7-σ (YBCO) thin films are prepared by the off-axis sputtering technique. Permalloy (Ni0.8Fe0.2) films are then deposited on top of the YBCO films, and patterned in order to obtain sub-millimeter contacts. The interface resistances in the normal and superconducting state of the YBCO are measured as a function of an applied magnetic field. The results are discussed in the framework of electron spin transport across the interface and spin diffusion in the bulk of the superconductor.

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