Electronic transport in thin films of BaPbO\(_3\): Unraveling two-dimensional quantum effects
Recently, perovskite related BaPbO\(_3\) has attracted attention due to its hidden topological properties and, moreover, has been used as a thin layer in heterostructures to induce two-dimensional superconductivity. Here we investigate the normal state electronic transport properties of thin films o...
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| creator | Seiler, Patrick Bartel, Robert Kopp, Thilo Hammerl, German |
| description | Recently, perovskite related BaPbO\(_3\) has attracted attention due to its hidden topological properties and, moreover, has been used as a thin layer in heterostructures to induce two-dimensional superconductivity. Here we investigate the normal state electronic transport properties of thin films of BaPbO\(_3\). Temperature and magnetic field dependent sheet resistances are strongly affected by two-dimensional quantum effects. Our analysis decodes the interplay of spin--orbit coupling, disorder, and electron--electron interaction in this compound. Similar to recently discussed topological materials, we find that weak antilocalization is the dominant protagonist in magnetotransport, whereas electron--electron interactions play a pronounced role in the temperature dependence. A systematic understanding of these quantum effects is essential to allow for an accurate control of properties not only of thin films of BaPbO\(_3\), but also of topological heterostructures. |
| doi_str_mv | 10.48550/arxiv.1907.09839 |
| format | Article |
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| subjects | Coupling (molecular) Electron spin Electron transport Electrons Heterostructures Magnetic properties Perovskites Superconductivity Temperature dependence Thin films Topology Transport properties Two dimensional analysis |
| title | Electronic transport in thin films of BaPbO\(_3\): Unraveling two-dimensional quantum effects |
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