A magneto-optical study on magnetic flux expulsion and pinning in high-purity niobium

The magnetic flux trapped inside high-purity niobium samples after field cooling was investigated by indirect magneto-optical imaging using an indicator film. The detected magnetic field was compared with the field present during the phase transition, and the distribution of trapped flux was investi...

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Veröffentlicht in:	Journal of applied physics 2017-11, Vol.122 (17)
Hauptverfasser:	Köszegi, J., Kugeler, O., Abou-Ras, D., Knobloch, J., Schäfer, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Cryoforming Cryogenic temperature Crystal structure Expulsion Flux pinning Grain boundaries Heat treatment Magnetic flux Niobium Phase transitions Purity Trapping
Online-Zugang:	Volltext
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