High Tc superconductor

Description: Levitation of a small magnet above a disc of high Tc superconductor.

Cautions: Liquid nitrogen; strong magnet; brittle superconducting disc

Concepts demonstrated:

Equipment: High Tc superconducting disc, small NdBFe magnet, petri dish and foam support, plastic forceps, wire hoop, liquid nitrogen, video camera

Setup Time: Medium

Difficulty/Commitment: Straightforward

Visibility: video camera essential

Related demonstrations: Wire coil in liquid nitrogen makes a nice lead in to this demonstration.

References: PIRA 5G50.50

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