Measuring the interaction force between a high temperature superconductor and a permanent magnet

Repulsive and attractive forces are both possible between a superconducting sample and a permanent magnet, and they can give rise to magnetic levitation or free-suspension phenomena, respectively. We show experiments to quantify this magnetic interaction, which represents a promising field with rega...

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Autores principales: Valenzuela, Sergio O., Jorge, Guillermo Antonio
Publicado: 1999
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00029505_v67_n11_p1001_Valenzuela
http://hdl.handle.net/20.500.12110/paper_00029505_v67_n11_p1001_Valenzuela
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_00029505_v67_n11_p1001_Valenzuela
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spelling paper:paper_00029505_v67_n11_p1001_Valenzuela2023-06-08T14:23:10Z Measuring the interaction force between a high temperature superconductor and a permanent magnet Valenzuela, Sergio O. Jorge, Guillermo Antonio Repulsive and attractive forces are both possible between a superconducting sample and a permanent magnet, and they can give rise to magnetic levitation or free-suspension phenomena, respectively. We show experiments to quantify this magnetic interaction, which represents a promising field with regard to short-term technological applications of high temperature superconductors. The measuring technique employs an electronic balance and a rare-earth magnet that induces a magnetic moment in a melt-textured YBa2Cu3O7 superconductor immersed in liquid nitrogen. The simple design of the experiments allows a fast and easy implementation in the advanced physics laboratory with a minimum cost. Actual levitation and suspension demonstrations can be done simultaneously as a help to interpret magnetic force measurements. © 1999 American Association of Physics Teachers. Fil:Valenzuela, S.O. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Jorge, G.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1999 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00029505_v67_n11_p1001_Valenzuela http://hdl.handle.net/20.500.12110/paper_00029505_v67_n11_p1001_Valenzuela
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description Repulsive and attractive forces are both possible between a superconducting sample and a permanent magnet, and they can give rise to magnetic levitation or free-suspension phenomena, respectively. We show experiments to quantify this magnetic interaction, which represents a promising field with regard to short-term technological applications of high temperature superconductors. The measuring technique employs an electronic balance and a rare-earth magnet that induces a magnetic moment in a melt-textured YBa2Cu3O7 superconductor immersed in liquid nitrogen. The simple design of the experiments allows a fast and easy implementation in the advanced physics laboratory with a minimum cost. Actual levitation and suspension demonstrations can be done simultaneously as a help to interpret magnetic force measurements. © 1999 American Association of Physics Teachers.
author Valenzuela, Sergio O.
Jorge, Guillermo Antonio
spellingShingle Valenzuela, Sergio O.
Jorge, Guillermo Antonio
Measuring the interaction force between a high temperature superconductor and a permanent magnet
author_facet Valenzuela, Sergio O.
Jorge, Guillermo Antonio
author_sort Valenzuela, Sergio O.
title Measuring the interaction force between a high temperature superconductor and a permanent magnet
title_short Measuring the interaction force between a high temperature superconductor and a permanent magnet
title_full Measuring the interaction force between a high temperature superconductor and a permanent magnet
title_fullStr Measuring the interaction force between a high temperature superconductor and a permanent magnet
title_full_unstemmed Measuring the interaction force between a high temperature superconductor and a permanent magnet
title_sort measuring the interaction force between a high temperature superconductor and a permanent magnet
publishDate 1999
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00029505_v67_n11_p1001_Valenzuela
http://hdl.handle.net/20.500.12110/paper_00029505_v67_n11_p1001_Valenzuela
work_keys_str_mv AT valenzuelasergioo measuringtheinteractionforcebetweenahightemperaturesuperconductorandapermanentmagnet
AT jorgeguillermoantonio measuringtheinteractionforcebetweenahightemperaturesuperconductorandapermanentmagnet
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