globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1811873115
论文题名:
Itinerant ferromagnetism of the Pd-terminated polar surface of PdCoO 2
作者: Mazzola F.; Sunko V.; Khim S.; Rosner H.; Kushwaha P.; Clark O.J.; Bawden L.; Marković I.; Kim T.K.; Hoesch M.; Mackenzie A.P.; King P.D.C.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2018
卷: 115, 期:51
起始页码: 12956
结束页码: 12960
语种: 英语
英文关键词: Angle-resolved photoemission ; Delafossite ; Electronic reconstruction ; Itinerant ferromagnetism ; Transition-metal oxide
Scopus关键词: cobalt ; copper oxide ; iron oxide ; palladium ; angle resolved photoemission spectroscopy ; Article ; crystal structure ; magnetism ; photoelectron spectroscopy ; priority journal ; surface property ; theoretical study ; X ray photoemission spectroscopy
英文摘要: The ability to modulate the collective properties of correlated electron systems at their interfaces and surfaces underpins the burgeoning field of “designer” quantum materials. Here, we show how an electronic reconstruction driven by surface polarity mediates a Stoner-like magnetic instability to itinerant ferromagnetism at the Pd-terminated surface of the nonmagnetic delafossite oxide metal PdCoO 2 . Combining angle-resolved photoemission spectroscopy and density-functional theory calculations, we show how this leads to a rich multiband surface electronic structure. We find similar surface state dispersions in PdCrO 2 , suggesting surface ferromagnetism persists in this sister compound despite its bulk antiferromagnetic order. © 2018 National Academy of Sciences. All rights reserved.
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被引频次[WOS]:42   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163629
Appears in Collections:气候变化与战略

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作者单位: Mazzola, F., Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, United Kingdom; Sunko, V., Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, United Kingdom, Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany; Khim, S., Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany; Rosner, H., Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany; Kushwaha, P., Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany; Clark, O.J., Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, United Kingdom; Bawden, L., Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, United Kingdom; Marković, I., Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, United Kingdom, Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany; Kim, T.K., Diamond Light, Didcot, OX11 0DE, United Kingdom; Hoesch, M., Diamond Light, Didcot, OX11 0DE, United Kingdom; Mackenzie, A.P., Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, United Kingdom, Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany; King, P.D.C., Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, United Kingdom

Recommended Citation:
Mazzola F.,Sunko V.,Khim S.,et al. Itinerant ferromagnetism of the Pd-terminated polar surface of PdCoO 2[J]. Proceedings of the National Academy of Sciences of the United States of America,2018-01-01,115(51)
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