Topological Hall effect in bulk ferromagnet Cr\(_2\)Te\(_3\) embedded with black-phosphorus-like bismuth nanosheets
We implement the molecular beam epitaxy method to embed the black-phosphorus-like bismuth nanosheets into the bulk ferromagnet Cr\(_2\)Te\(_3\). As a typical surfactant, bismuth lowers the surface tensions and mediates the layer-by-layer growth of Cr\(_2\)Te\(_3\). Meanwhile, the bismuth atoms preci...
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| creator | Zhou, Liang Chen, Junshu Chen, Xiaobin Xi, Bin Qiu, Yang Zhang, Junwei Wang, Linjing Zhang, Runnan Ye, Bicong Chen, Pingbo Zhang, Xixiang Guo, Guoping Yu, Dapeng Jia-Wei, Mei Ye, Fei Wang, Gan He, Hongtao |
| description | We implement the molecular beam epitaxy method to embed the black-phosphorus-like bismuth nanosheets into the bulk ferromagnet Cr\(_2\)Te\(_3\). As a typical surfactant, bismuth lowers the surface tensions and mediates the layer-by-layer growth of Cr\(_2\)Te\(_3\). Meanwhile, the bismuth atoms precipitate into black-phosphorus-like nanosheets with the lateral size of several tens of nanometers. In Cr\(_2\)Te\(_3\) embedded with Bi-nanosheets, we observe simultaneously a large topological Hall effect together with the magnetic susceptibility plateau and magnetoresistivity anomaly. As a control experiment, none of these signals is observed in the pristine Cr\(_2\)Te\(_3\) samples. Therefore, the Bi-nanosheets serve as seeds of topological Hall effect induced by non-coplanar magnetic textures planted into Cr\(_2\)Te\(_3\). Our experiments demonstrate a new method to generates a large topological Hall effect by planting strong spin-orbit couplings into the traditional ferromagnet, which may have potential applications in spintronics. |
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As a typical surfactant, bismuth lowers the surface tensions and mediates the layer-by-layer growth of Cr\(_2\)Te\(_3\). Meanwhile, the bismuth atoms precipitate into black-phosphorus-like nanosheets with the lateral size of several tens of nanometers. In Cr\(_2\)Te\(_3\) embedded with Bi-nanosheets, we observe simultaneously a large topological Hall effect together with the magnetic susceptibility plateau and magnetoresistivity anomaly. As a control experiment, none of these signals is observed in the pristine Cr\(_2\)Te\(_3\) samples. Therefore, the Bi-nanosheets serve as seeds of topological Hall effect induced by non-coplanar magnetic textures planted into Cr\(_2\)Te\(_3\). 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Our experiments demonstrate a new method to generates a large topological Hall effect by planting strong spin-orbit couplings into the traditional ferromagnet, which may have potential applications in spintronics.</description><subject>Bismuth</subject><subject>Couplings</subject><subject>Electromagnetism</subject><subject>Ferromagnetism</subject><subject>Hall effect</subject><subject>Magnetic permeability</subject><subject>Magnetism</subject><subject>Magnetoresistivity</subject><subject>Molecular beam epitaxy</subject><subject>Nanosheets</subject><subject>Phosphorus</subject><subject>Seeds</subject><subject>Spintronics</subject><subject>Topology</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNikEOgjAQABsTE436h0286IEEWxA9G40P4EhCCixSKC122_h9OfgAD5M5zCzYmgtxii4J5yu2I-rjOObnjKepWDPK7WS1falaanhKrQHbFmsPykAV9AAtOmdH-TLo4eaKQ8mLY46zRXEEHCtsGmzgo3wHlZb1EE2dpRkXKNJqQKgUjWGuRhpLHaKnLVu2UhPuft6w_eOe357R5Ow7IPmyt8GZOZX8dBVJnKUJF_9dX0fTS0A</recordid><startdate>20190315</startdate><enddate>20190315</enddate><creator>Zhou, Liang</creator><creator>Chen, Junshu</creator><creator>Chen, Xiaobin</creator><creator>Xi, Bin</creator><creator>Qiu, Yang</creator><creator>Zhang, Junwei</creator><creator>Wang, Linjing</creator><creator>Zhang, Runnan</creator><creator>Ye, Bicong</creator><creator>Chen, Pingbo</creator><creator>Zhang, Xixiang</creator><creator>Guo, Guoping</creator><creator>Yu, Dapeng</creator><creator>Jia-Wei, Mei</creator><creator>Ye, Fei</creator><creator>Wang, Gan</creator><creator>He, Hongtao</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20190315</creationdate><title>Topological Hall effect in bulk ferromagnet Cr\(_2\)Te\(_3\) embedded with black-phosphorus-like bismuth nanosheets</title><author>Zhou, Liang ; 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As a typical surfactant, bismuth lowers the surface tensions and mediates the layer-by-layer growth of Cr\(_2\)Te\(_3\). Meanwhile, the bismuth atoms precipitate into black-phosphorus-like nanosheets with the lateral size of several tens of nanometers. In Cr\(_2\)Te\(_3\) embedded with Bi-nanosheets, we observe simultaneously a large topological Hall effect together with the magnetic susceptibility plateau and magnetoresistivity anomaly. As a control experiment, none of these signals is observed in the pristine Cr\(_2\)Te\(_3\) samples. Therefore, the Bi-nanosheets serve as seeds of topological Hall effect induced by non-coplanar magnetic textures planted into Cr\(_2\)Te\(_3\). 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| subjects | Bismuth Couplings Electromagnetism Ferromagnetism Hall effect Magnetic permeability Magnetism Magnetoresistivity Molecular beam epitaxy Nanosheets Phosphorus Seeds Spintronics Topology |
| title | Topological Hall effect in bulk ferromagnet Cr\(_2\)Te\(_3\) embedded with black-phosphorus-like bismuth nanosheets |
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