Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin Films
The resistivity and the Hall effect in the copper-oxide high-temperature superconductor YBa<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></s...
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MDPI AG
2021-03-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/11/3/675 |
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| author | Gernot Heine Wolfgang Lang Roman Rössler Johannes D. Pedarnig |
| author_facet | Gernot Heine Wolfgang Lang Roman Rössler Johannes D. Pedarnig |
| author_sort | Gernot Heine |
| collection | DOAJ |
| description | The resistivity and the Hall effect in the copper-oxide high-temperature superconductor YBa<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>Cu<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula>O<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>7</mn><mtext>-</mtext><mi>δ</mi></mrow></msub></semantics></math></inline-formula> (YBCO) are remarkably anisotropic. Using a thin film of YBCO grown on an off-axis cut SrTiO<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula> substrate allows one to investigate these anisotropic transport properties in a planar and well-defined sample geometry employing a homogeneous current density. In the normal state, the Hall voltage probed parallel to the copper-oxide layers is positive and strongly temperature dependent, whereas the out-of-plane Hall voltage is negative and almost temperature independent. The results confirm previous measurements on single crystals by an entirely different measurement method and demonstrate that vicinal thin films might be also useful for investigations of other layered nanomaterials. |
| first_indexed | 2024-03-10T13:25:02Z |
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| language | English |
| last_indexed | 2024-03-10T13:25:02Z |
| publishDate | 2021-03-01 |
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| series | Nanomaterials |
| spelling | doaj.art-57ad87741fde44629314d38a1fdba0382023-11-21T09:42:10ZengMDPI AGNanomaterials2079-49912021-03-0111367510.3390/nano11030675Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin FilmsGernot Heine0Wolfgang Lang1Roman Rössler2Johannes D. Pedarnig3Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Wien, AustriaFaculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Wien, AustriaInstitute of Applied Physics, Johannes-Kepler-University Linz, Altenbergerstrasse 69, A-4040 Linz, AustriaInstitute of Applied Physics, Johannes-Kepler-University Linz, Altenbergerstrasse 69, A-4040 Linz, AustriaThe resistivity and the Hall effect in the copper-oxide high-temperature superconductor YBa<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>Cu<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula>O<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>7</mn><mtext>-</mtext><mi>δ</mi></mrow></msub></semantics></math></inline-formula> (YBCO) are remarkably anisotropic. Using a thin film of YBCO grown on an off-axis cut SrTiO<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula> substrate allows one to investigate these anisotropic transport properties in a planar and well-defined sample geometry employing a homogeneous current density. In the normal state, the Hall voltage probed parallel to the copper-oxide layers is positive and strongly temperature dependent, whereas the out-of-plane Hall voltage is negative and almost temperature independent. The results confirm previous measurements on single crystals by an entirely different measurement method and demonstrate that vicinal thin films might be also useful for investigations of other layered nanomaterials.https://www.mdpi.com/2079-4991/11/3/675vicinal filmscopper-oxide superconductorsHall effectresistivityanisotropy |
| spellingShingle | Gernot Heine Wolfgang Lang Roman Rössler Johannes D. Pedarnig Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin Films Nanomaterials vicinal films copper-oxide superconductors Hall effect resistivity anisotropy |
| title | Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin Films |
| title_full | Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin Films |
| title_fullStr | Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin Films |
| title_full_unstemmed | Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin Films |
| title_short | Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub> Thin Films |
| title_sort | anisotropy of the in plane and out of plane resistivity and the hall effect in the normal state of vicinal grown yba sub 2 sub cu sub 3 sub o sub 7 i δ i sub thin films |
| topic | vicinal films copper-oxide superconductors Hall effect resistivity anisotropy |
| url | https://www.mdpi.com/2079-4991/11/3/675 |
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