Strain control of Fermiology and many-body interactions in two-dimensional ruthenates

B. Burganov; C. Adamo; A. Mulder; M. Uchida; P. D. C. King; J. W. Harter; D. E. Shai; A. S. Gibbs; A. P. Mackenzie; R. Uecker; M. Bruetzam; M. R. Beasley; C. J. Fennie; D. G. Schlom; K. M. Shen

doi:10.1103/PhysRevLett.116.197003

Strain control of Fermiology and many-body interactions in two-dimensional ruthenates

B. Burganov, C. Adamo, A. Mulder, M. Uchida, P. D. C. King, J. W. Harter, D. E. Shai, A. S. Gibbs, A. P. Mackenzie, R. Uecker, M. Bruetzam, M. R. Beasley, C. J. Fennie, D. G. Schlom, K. M. Shen

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Abstract

Here we demonstrate how the Fermi surface topology and quantum many-body interactions can be manipulated via epitaxial strain in the spin-triplet superconductor Sr₂RuO₄ and its isoelectronic counterpart Ba₂RuO₄ using oxide molecular beam epitaxy, in situ angle-resolved photoemission spectroscopy, and transport measurements. Near the topological transition of the γ Fermi surface sheet, we observe clear signatures of critical fluctuations, while the quasiparticle mass enhancement is found to increase rapidly and monotonically with increasing Ru-O bond distance. Our work demonstrates the possibilities for using epitaxial strain as a disorder-free means of manipulating emergent properties, many-body interactions, and potentially the superconductivity in correlated materials.

Original language	English
Article number	197003
Number of pages	6
Journal	Physical Review Letters
Volume	116
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.116.197003
Publication status	Published - 13 May 2016

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10.1103/PhysRevLett.116.197003

PhysRevLett.116.197003
© 2016, American Physical Society. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at journals.aps/org / https://dx.doi.org/10.1103/PhysRevLett.116.197003
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Sr3Ru2O7 Quantum Nematic Fluid Vector: Sr3RuO7 Quantum Nematic Fluid Vector Magnetic Field Tuning and Spectroscopic Imaging Scanning Tunneling Microscopy
Mackenzie, A. (PI) & Davis, J. C. (CoI)
EPSRC
1/04/09 → 31/03/13
Project: Standard

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Burganov, B., Adamo, C., Mulder, A., Uchida, M., King, P. D. C., Harter, J. W., Shai, D. E., Gibbs, A. S., Mackenzie, A. P., Uecker, R., Bruetzam, M., Beasley, M. R., Fennie, C. J., Schlom, D. G., & Shen, K. M. (2016). Strain control of Fermiology and many-body interactions in two-dimensional ruthenates. Physical Review Letters, 116(19), Article 197003. https://doi.org/10.1103/PhysRevLett.116.197003

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title = "Strain control of Fermiology and many-body interactions in two-dimensional ruthenates",

abstract = "Here we demonstrate how the Fermi surface topology and quantum many-body interactions can be manipulated via epitaxial strain in the spin-triplet superconductor Sr2RuO4 and its isoelectronic counterpart Ba2RuO4 using oxide molecular beam epitaxy, in situ angle-resolved photoemission spectroscopy, and transport measurements. Near the topological transition of the γ Fermi surface sheet, we observe clear signatures of critical fluctuations, while the quasiparticle mass enhancement is found to increase rapidly and monotonically with increasing Ru-O bond distance. Our work demonstrates the possibilities for using epitaxial strain as a disorder-free means of manipulating emergent properties, many-body interactions, and potentially the superconductivity in correlated materials.",

author = "B. Burganov and C. Adamo and A. Mulder and M. Uchida and King, {P. D. C.} and Harter, {J. W.} and Shai, {D. E.} and Gibbs, {A. S.} and Mackenzie, {A. P.} and R. Uecker and M. Bruetzam and Beasley, {M. R.} and Fennie, {C. J.} and Schlom, {D. G.} and Shen, {K. M.}",

year = "2016",

month = may,

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doi = "10.1103/PhysRevLett.116.197003",

language = "English",

volume = "116",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

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T1 - Strain control of Fermiology and many-body interactions in two-dimensional ruthenates

AU - Burganov, B.

AU - Adamo, C.

AU - Mulder, A.

AU - Uchida, M.

AU - King, P. D. C.

AU - Harter, J. W.

AU - Shai, D. E.

AU - Gibbs, A. S.

AU - Mackenzie, A. P.

AU - Uecker, R.

AU - Bruetzam, M.

AU - Beasley, M. R.

AU - Fennie, C. J.

AU - Schlom, D. G.

AU - Shen, K. M.

PY - 2016/5/13

Y1 - 2016/5/13

N2 - Here we demonstrate how the Fermi surface topology and quantum many-body interactions can be manipulated via epitaxial strain in the spin-triplet superconductor Sr2RuO4 and its isoelectronic counterpart Ba2RuO4 using oxide molecular beam epitaxy, in situ angle-resolved photoemission spectroscopy, and transport measurements. Near the topological transition of the γ Fermi surface sheet, we observe clear signatures of critical fluctuations, while the quasiparticle mass enhancement is found to increase rapidly and monotonically with increasing Ru-O bond distance. Our work demonstrates the possibilities for using epitaxial strain as a disorder-free means of manipulating emergent properties, many-body interactions, and potentially the superconductivity in correlated materials.

AB - Here we demonstrate how the Fermi surface topology and quantum many-body interactions can be manipulated via epitaxial strain in the spin-triplet superconductor Sr2RuO4 and its isoelectronic counterpart Ba2RuO4 using oxide molecular beam epitaxy, in situ angle-resolved photoemission spectroscopy, and transport measurements. Near the topological transition of the γ Fermi surface sheet, we observe clear signatures of critical fluctuations, while the quasiparticle mass enhancement is found to increase rapidly and monotonically with increasing Ru-O bond distance. Our work demonstrates the possibilities for using epitaxial strain as a disorder-free means of manipulating emergent properties, many-body interactions, and potentially the superconductivity in correlated materials.

U2 - 10.1103/PhysRevLett.116.197003

DO - 10.1103/PhysRevLett.116.197003

M3 - Article

SN - 0031-9007

VL - 116

JO - Physical Review Letters

JF - Physical Review Letters

IS - 19

M1 - 197003

ER -

Strain control of Fermiology and many-body interactions in two-dimensional ruthenates

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Sr3Ru2O7 Quantum Nematic Fluid Vector: Sr3RuO7 Quantum Nematic Fluid Vector Magnetic Field Tuning and Spectroscopic Imaging Scanning Tunneling Microscopy

Cite this