{"intvolume":"        65","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://meetings.aps.org/Meeting/MAR20/Session/B59.11"}],"quality_controlled":"1","title":"Intrinsic quantized anomalous Hall effect in a moiré heterostructure, part II: Temperature dependence and current switching","issue":"1","oa_version":"Published Version","publisher":"American Physical Society","year":"2020","day":"01","date_published":"2020-03-01T00:00:00Z","date_updated":"2023-02-21T15:57:52Z","volume":65,"extern":"1","type":"conference","_id":"10698","conference":{"end_date":"2020-03-06","start_date":"2020-03-02","location":"Denver, CO, United States","name":"APS: American Physical Society"},"author":[{"last_name":"Serlin","first_name":"Marec","full_name":"Serlin, Marec"},{"last_name":"Tschirhart","full_name":"Tschirhart, Charles","first_name":"Charles"},{"last_name":"Polshyn","id":"edfc7cb1-526e-11ec-b05a-e6ecc27e4e48","full_name":"Polshyn, Hryhoriy","first_name":"Hryhoriy","orcid":"0000-0001-8223-8896"},{"full_name":"Zhang, Yuxuan","first_name":"Yuxuan","last_name":"Zhang"},{"full_name":"Zhu, Jiacheng","first_name":"Jiacheng","last_name":"Zhu"},{"last_name":"Huber","full_name":"Huber, Martin E.","first_name":"Martin E."},{"first_name":"Leon","full_name":"Balents, Leon","last_name":"Balents"},{"full_name":"Watanabe, Kenji","first_name":"Kenji","last_name":"Watanabe"},{"last_name":"Tanaguchi","first_name":"Takashi","full_name":"Tanaguchi, Takashi"},{"last_name":"Young","first_name":"Andrea","full_name":"Young, Andrea"}],"related_material":{"record":[{"relation":"other","id":"10619","status":"public"}]},"alternative_title":["Bulletin of the American Physical Society"],"publication":"APS March Meeting 2020","publication_status":"published","abstract":[{"text":"This is the second of three talks describing the observation and characterization of a ferromagnetic moiré heterostructure based on twisted bilayer graphene aligned to hexagonal boron nitride. I will compare the qualitative and quantitative features of this observed quantum anomalous Hall state to traditional systems engineered from thin film (Bi,Sb)2Te3 topological insulators. In particular, we find that the measured electronic energy gap of ~30K is several times higher than the Curie temperature, consistent with a lack of disorder associated with magnetic dopants. In this system, the quantization arises from spontaneous ferromagnetic polarization into a single spin and valley moiré subband, which is topological despite the lack of spin orbit coupling. I will also discuss the observation of current induced switching, which allows the magnetic state of the heterostructure to be controllably reversed with currents as small as a few nanoamperes.","lang":"eng"}],"article_number":"B59.00011","acknowledgement":"I would like to thank the MURI Program, AFOSR, Sloan Foundation, and the ARO for their generous support of this work.","article_processing_charge":"No","citation":{"chicago":"Serlin, Marec, Charles Tschirhart, Hryhoriy Polshyn, Yuxuan Zhang, Jiacheng Zhu, Martin E. Huber, Leon Balents, Kenji Watanabe, Takashi Tanaguchi, and Andrea Young. “Intrinsic Quantized Anomalous Hall Effect in a Moiré Heterostructure, Part II: Temperature Dependence and Current Switching.” In <i>APS March Meeting 2020</i>, Vol. 65. American Physical Society, 2020.","ista":"Serlin M, Tschirhart C, Polshyn H, Zhang Y, Zhu J, Huber ME, Balents L, Watanabe K, Tanaguchi T, Young A. 2020. Intrinsic quantized anomalous Hall effect in a moiré heterostructure, part II: Temperature dependence and current switching. APS March Meeting 2020. APS: American Physical Society, Bulletin of the American Physical Society, vol. 65, B59.00011.","apa":"Serlin, M., Tschirhart, C., Polshyn, H., Zhang, Y., Zhu, J., Huber, M. E., … Young, A. (2020). Intrinsic quantized anomalous Hall effect in a moiré heterostructure, part II: Temperature dependence and current switching. In <i>APS March Meeting 2020</i> (Vol. 65). Denver, CO, United States: American Physical Society.","short":"M. Serlin, C. Tschirhart, H. Polshyn, Y. Zhang, J. Zhu, M.E. Huber, L. Balents, K. Watanabe, T. Tanaguchi, A. Young, in:, APS March Meeting 2020, American Physical Society, 2020.","ama":"Serlin M, Tschirhart C, Polshyn H, et al. Intrinsic quantized anomalous Hall effect in a moiré heterostructure, part II: Temperature dependence and current switching. In: <i>APS March Meeting 2020</i>. Vol 65. American Physical Society; 2020.","mla":"Serlin, Marec, et al. “Intrinsic Quantized Anomalous Hall Effect in a Moiré Heterostructure, Part II: Temperature Dependence and Current Switching.” <i>APS March Meeting 2020</i>, vol. 65, no. 1, B59.00011, American Physical Society, 2020.","ieee":"M. Serlin <i>et al.</i>, “Intrinsic quantized anomalous Hall effect in a moiré heterostructure, part II: Temperature dependence and current switching,” in <i>APS March Meeting 2020</i>, Denver, CO, United States, 2020, vol. 65, no. 1."},"month":"03","date_created":"2022-01-28T10:46:57Z","status":"public","external_id":{"arxiv":["1907.00261"]},"user_id":"8b945eb4-e2f2-11eb-945a-df72226e66a9","oa":1}