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Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields
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| Zeitschriftentitel: | AIP Advances |
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| Personen und Körperschaften: | , , , , , , |
| In: | AIP Advances, 4, 2014, 3 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
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| Schlagwörter: |
| author_facet |
Fabretti, Savio Imort, Inga-Mareen Kuschel, Timo Dahm, Thomas Guduru, Veerendra K. Zeitler, Uli Thomas, Andy Fabretti, Savio Imort, Inga-Mareen Kuschel, Timo Dahm, Thomas Guduru, Veerendra K. Zeitler, Uli Thomas, Andy |
|---|---|
| author |
Fabretti, Savio Imort, Inga-Mareen Kuschel, Timo Dahm, Thomas Guduru, Veerendra K. Zeitler, Uli Thomas, Andy |
| spellingShingle |
Fabretti, Savio Imort, Inga-Mareen Kuschel, Timo Dahm, Thomas Guduru, Veerendra K. Zeitler, Uli Thomas, Andy AIP Advances Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields General Physics and Astronomy |
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fabretti, savio |
| spelling |
Fabretti, Savio Imort, Inga-Mareen Kuschel, Timo Dahm, Thomas Guduru, Veerendra K. Zeitler, Uli Thomas, Andy 2158-3226 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.4869291 <jats:p>We investigated the magnetic anisotropy ratio of thin sputtered polycrystalline MgB2 films on MgO substrates. Using high magnetic field measurements, we estimated an anisotropy ratio of 1.35 for T = 0 K with an upper critical field of 31.74 T in the parallel case and 23.5 T in the perpendicular case. Direct measurements of a magnetic-field sweep at 4.2 K show a linear behavior, confirmed by a linear fit for magnetic fields perpendicular to the film plane. Furthermore, we observed a change of up to 12% of the anisotropy ratio in dependence of the film thickness.</jats:p> Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields AIP Advances |
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| title |
Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_unstemmed |
Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_full |
Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_fullStr |
Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_full_unstemmed |
Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_short |
Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_sort |
magnetic anisotropy of thin sputtered mgb2 films on mgo substrates in high magnetic fields |
| topic |
General Physics and Astronomy |
| url |
http://dx.doi.org/10.1063/1.4869291 |
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2014 |
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<jats:p>We investigated the magnetic anisotropy ratio of thin sputtered polycrystalline MgB2 films on MgO substrates. Using high magnetic field measurements, we estimated an anisotropy ratio of 1.35 for T = 0 K with an upper critical field of 31.74 T in the parallel case and 23.5 T in the perpendicular case. Direct measurements of a magnetic-field sweep at 4.2 K show a linear behavior, confirmed by a linear fit for magnetic fields perpendicular to the film plane. Furthermore, we observed a change of up to 12% of the anisotropy ratio in dependence of the film thickness.</jats:p> |
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| author | Fabretti, Savio, Imort, Inga-Mareen, Kuschel, Timo, Dahm, Thomas, Guduru, Veerendra K., Zeitler, Uli, Thomas, Andy |
| author_facet | Fabretti, Savio, Imort, Inga-Mareen, Kuschel, Timo, Dahm, Thomas, Guduru, Veerendra K., Zeitler, Uli, Thomas, Andy, Fabretti, Savio, Imort, Inga-Mareen, Kuschel, Timo, Dahm, Thomas, Guduru, Veerendra K., Zeitler, Uli, Thomas, Andy |
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| description | <jats:p>We investigated the magnetic anisotropy ratio of thin sputtered polycrystalline MgB2 films on MgO substrates. Using high magnetic field measurements, we estimated an anisotropy ratio of 1.35 for T = 0 K with an upper critical field of 31.74 T in the parallel case and 23.5 T in the perpendicular case. Direct measurements of a magnetic-field sweep at 4.2 K show a linear behavior, confirmed by a linear fit for magnetic fields perpendicular to the film plane. Furthermore, we observed a change of up to 12% of the anisotropy ratio in dependence of the film thickness.</jats:p> |
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| institution | DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15 |
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| spelling | Fabretti, Savio Imort, Inga-Mareen Kuschel, Timo Dahm, Thomas Guduru, Veerendra K. Zeitler, Uli Thomas, Andy 2158-3226 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.4869291 <jats:p>We investigated the magnetic anisotropy ratio of thin sputtered polycrystalline MgB2 films on MgO substrates. Using high magnetic field measurements, we estimated an anisotropy ratio of 1.35 for T = 0 K with an upper critical field of 31.74 T in the parallel case and 23.5 T in the perpendicular case. Direct measurements of a magnetic-field sweep at 4.2 K show a linear behavior, confirmed by a linear fit for magnetic fields perpendicular to the film plane. Furthermore, we observed a change of up to 12% of the anisotropy ratio in dependence of the film thickness.</jats:p> Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields AIP Advances |
| spellingShingle | Fabretti, Savio, Imort, Inga-Mareen, Kuschel, Timo, Dahm, Thomas, Guduru, Veerendra K., Zeitler, Uli, Thomas, Andy, AIP Advances, Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields, General Physics and Astronomy |
| title | Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_full | Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_fullStr | Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_full_unstemmed | Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_short | Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| title_sort | magnetic anisotropy of thin sputtered mgb2 films on mgo substrates in high magnetic fields |
| title_unstemmed | Magnetic anisotropy of thin sputtered MgB2 films on MgO substrates in high magnetic fields |
| topic | General Physics and Astronomy |
| url | http://dx.doi.org/10.1063/1.4869291 |