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Electronic reconstr...
Electronic reconstruction forming a C-2-symmetric Dirac semimetal in Ca3Ru2O7
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- Horio, M. (author)
- Universität Zürich,University of Zürich
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- Wang, Q. (author)
- Universität Zürich,University of Zürich
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- Granata, V (author)
- Universita degli Studi di Salerno,University of Salerno,Consiglio Nazionale delle Ricerche (CNR),National Research Council of Italy (CNR)
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- Kramer, K. P. (author)
- Universität Zürich,University of Zürich
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- Sassa, Yasmine, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johr, S. (author)
- Universität Zürich,University of Zürich
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- Sutter, D. (author)
- Universität Zürich,University of Zürich
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- Bold, A. (author)
- Universität Zürich,University of Zürich
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- Das, L. (author)
- Universität Zürich,University of Zürich
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- Xu, Y. (author)
- Universität Zürich,University of Zürich
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- Frison, R. (author)
- Eidgenössische Materialprüfungs- und Forschungsanstalt (Empa),Swiss Federal Laboratories for Materials Science and Technology (Empa)
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- Fittipaldi, R. (author)
- Consiglio Nazionale delle Ricerche (CNR),National Research Council of Italy (CNR),Universita degli Studi di Salerno,University of Salerno
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- Kim, T. K. (author)
- Diamond Light Source
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- Cacho, C. (author)
- Diamond Light Source
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- Rault, J. E. (author)
- SOLEIL Synchrotron
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- Le Fevre, P. (author)
- SOLEIL Synchrotron
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- Bertran, F. (author)
- SOLEIL Synchrotron
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- Plumb, N. C. (author)
- Paul Scherrer Institut
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- Shi, M. (author)
- Paul Scherrer Institut
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- Vecchione, A. (author)
- Universita degli Studi di Salerno,University of Salerno,Consiglio Nazionale delle Ricerche (CNR),National Research Council of Italy (CNR)
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- Fischer, M. H. (author)
- Universität Zürich,University of Zürich
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- Chang, J. (author)
- Universität Zürich,University of Zürich
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(creator_code:org_t)
- 2021-03-19
- 2021
- English.
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In: npj Quantum Materials. - : Springer Science and Business Media LLC. - 2397-4648. ; 6:1
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https://www.nature.c...
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Abstract
Subject headings
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- Electronic band structures in solids stem from a periodic potential reflecting the structure of either the crystal lattice or electronic order. In the stoichiometric ruthenate Ca3Ru2O7, numerous Fermi surface-sensitive probes indicate a low-temperature electronic reconstruction. Yet, the causality and the reconstructed band structure remain unsolved. Here, we show by angle-resolved photoemission spectroscopy, how in Ca3Ru2O7 a C-2-symmetric massive Dirac semimetal is realized through a Brillouin-zone preserving electronic reconstruction. This Dirac semimetal emerges in a two-stage transition upon cooling. The Dirac point and band velocities are consistent with constraints set by quantum oscillation, thermodynamic, and transport experiments, suggesting that the complete Fermi surface is resolved. The reconstructed structure-incompatible with translational-symmetry-breaking density waves-serves as an important test for band structure calculations of correlated electron systems.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Horio, M.
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Wang, Q.
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Granata, V
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Kramer, K. P.
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Sassa, Yasmine, ...
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Johr, S.
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show more...
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Sutter, D.
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Bold, A.
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Das, L.
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Xu, Y.
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Frison, R.
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Fittipaldi, R.
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Kim, T. K.
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Cacho, C.
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Rault, J. E.
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Le Fevre, P.
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Bertran, F.
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Plumb, N. C.
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Shi, M.
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Vecchione, A.
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Fischer, M. H.
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Chang, J.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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npj Quantum Mate ...
- By the university
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Chalmers University of Technology