Vortex images in thin films of YBa2Cu3O7-x and Bi2Sr2Ca1Cu2O8+x obtained by low-temperature magnetic force microscopy

C. W. Yuan; Z. Zheng; A. L. De Lozanne; M. Tortonese; D. A. Rudman; J. N. Eckstein

doi:10.1116/1.588516

Vortex images in thin films of YBa₂Cu₃O_7-x and Bi₂Sr₂Ca₁Cu₂O_8+x obtained by low-temperature magnetic force microscopy

C. W. Yuan, Z. Zheng, A. L. De Lozanne, M. Tortonese, D. A. Rudman, J. N. Eckstein

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

Abstract

We have imaged vortices in superconducting thin films with a low-temperature magnetic force microscope that utilizes microfabricated piezoresistive cantilevers with built-in tips. The films of YBa₂Cu₃O_7-x and Bi₂Sr₂Ca₁Cu₂O_8+x, are made by laser ablation and molecular beam epitaxy, respectively. The vortices usually appear as round features in the noncontact image with a diameter of about 1 μm or slightly less. In some cases the position of the vortices is correlated to defects observed in the topographic image of the same area. The vortices move sometimes, especially after taking a topographic (contact mode) scan.

Original language	English (US)
Pages (from-to)	1210-1213
Number of pages	4
Journal	Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume	14
Issue number	2
DOIs	https://doi.org/10.1116/1.588516
State	Published - Mar 1996
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Electrical and Electronic Engineering

Online availability

10.1116/1.588516

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Cite this

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title = "Vortex images in thin films of YBa2Cu3O7-x and Bi2Sr2Ca1Cu2O8+x obtained by low-temperature magnetic force microscopy",

abstract = "We have imaged vortices in superconducting thin films with a low-temperature magnetic force microscope that utilizes microfabricated piezoresistive cantilevers with built-in tips. The films of YBa2Cu3O7-x and Bi2Sr2Ca1Cu2O8+x, are made by laser ablation and molecular beam epitaxy, respectively. The vortices usually appear as round features in the noncontact image with a diameter of about 1 μm or slightly less. In some cases the position of the vortices is correlated to defects observed in the topographic image of the same area. The vortices move sometimes, especially after taking a topographic (contact mode) scan.",

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year = "1996",

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AU - De Lozanne, A. L.

AU - Tortonese, M.

AU - Rudman, D. A.

AU - Eckstein, J. N.

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