Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates

Y. Shen; G. Fabbris; H. Miao; Y. Cao; D. Meyers; D. G. Mazzone; T. Assefa; X. M. Chen; K. Kisslinger; D. Prabhakaran; A. T. Boothroyd; J. M. Tranquada; W. Hu; A. M. Barbour; S. B. Wilkins; C. Mazzoli; I. K. Robinson; M. P.M. Dean

doi:10.1103/PhysRevLett.126.177601

Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates

Y. Shen, G. Fabbris, H. Miao, Y. Cao, D. Meyers, D. G. Mazzone, T. Assefa, X. M. Chen, K. Kisslinger, D. Prabhakaran, A. T. Boothroyd, J. M. Tranquada, W. Hu, A. M. Barbour, S. B. Wilkins, C. Mazzoli, I. K. Robinson, M. P.M. Dean

Quantum Heterostructures

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15 Scopus citations

Abstract

Revealing the predominant driving force behind symmetry breaking in correlated materials is sometimes a formidable task due to the intertwined nature of different degrees of freedom. This is the case for La2-xSrxNiO4+δ, in which coupled incommensurate charge and spin stripes form at low temperatures. Here, we use resonant x-ray photon correlation spectroscopy to study the temporal stability and domain memory of the charge and spin stripes in La2-xSrxNiO4+δ. Although spin stripes are more spatially correlated, charge stripes maintain a better temporal stability against temperature change. More intriguingly, charge order shows robust domain memory with thermal cycling up to 250 K, far above the ordering temperature. These results demonstrate the pinning of charge stripes to the lattice and that charge condensation is the predominant factor in the formation of stripe orders in nickelates.

Original language	English
Article number	177601
Journal	Physical Review Letters
Volume	126
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.126.177601
State	Published - Apr 30 2021

Funding

This material is based upon work supported by the U.S. Department of Energy (DOE), Office of Basic Energy Sciences. Work at Brookhaven National Laboratory was supported by the U.S. DOE, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-SC0012704. The work at Argonne National Laboratory was supported by the U.S. Department of Energy, Office of Basic Energy Sciences, under Contract No. DE-AC0206CH11357. D. G. M. acknowledges funding from the Swiss National Science Foundation, Fellowship No. P2EZP2_175092. This research used resources at the 23-ID-1 beam line of the National Synchrotron Light Source, a U.S. DOE Office of Science User Facility operated for the DOE Office of Science by Brookhaven National Laboratory under Contract No. DE-SC0012704.

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10.1103/PhysRevLett.126.177601

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Shen, Y., Fabbris, G., Miao, H., Cao, Y., Meyers, D., Mazzone, D. G., Assefa, T., Chen, X. M., Kisslinger, K., Prabhakaran, D., Boothroyd, A. T., Tranquada, J. M., Hu, W., Barbour, A. M., Wilkins, S. B., Mazzoli, C., Robinson, I. K., & Dean, M. P. M. (2021). Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates. Physical Review Letters, 126(17), Article 177601. https://doi.org/10.1103/PhysRevLett.126.177601

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title = "Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates",

abstract = "Revealing the predominant driving force behind symmetry breaking in correlated materials is sometimes a formidable task due to the intertwined nature of different degrees of freedom. This is the case for La2-xSrxNiO4+δ, in which coupled incommensurate charge and spin stripes form at low temperatures. Here, we use resonant x-ray photon correlation spectroscopy to study the temporal stability and domain memory of the charge and spin stripes in La2-xSrxNiO4+δ. Although spin stripes are more spatially correlated, charge stripes maintain a better temporal stability against temperature change. More intriguingly, charge order shows robust domain memory with thermal cycling up to 250 K, far above the ordering temperature. These results demonstrate the pinning of charge stripes to the lattice and that charge condensation is the predominant factor in the formation of stripe orders in nickelates.",

author = "Y. Shen and G. Fabbris and H. Miao and Y. Cao and D. Meyers and Mazzone, {D. G.} and T. Assefa and Chen, {X. M.} and K. Kisslinger and D. Prabhakaran and Boothroyd, {A. T.} and Tranquada, {J. M.} and W. Hu and Barbour, {A. M.} and Wilkins, {S. B.} and C. Mazzoli and Robinson, {I. K.} and Dean, {M. P.M.}",

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Shen, Y, Fabbris, G, Miao, H, Cao, Y, Meyers, D, Mazzone, DG, Assefa, T, Chen, XM, Kisslinger, K, Prabhakaran, D, Boothroyd, AT, Tranquada, JM, Hu, W, Barbour, AM, Wilkins, SB, Mazzoli, C, Robinson, IK & Dean, MPM 2021, 'Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates', Physical Review Letters, vol. 126, no. 17, 177601. https://doi.org/10.1103/PhysRevLett.126.177601

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T1 - Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates

AU - Shen, Y.

AU - Fabbris, G.

AU - Miao, H.

AU - Cao, Y.

AU - Meyers, D.

AU - Mazzone, D. G.

AU - Assefa, T.

AU - Chen, X. M.

AU - Kisslinger, K.

AU - Prabhakaran, D.

AU - Boothroyd, A. T.

AU - Tranquada, J. M.

AU - Hu, W.

AU - Barbour, A. M.

AU - Wilkins, S. B.

AU - Mazzoli, C.

AU - Robinson, I. K.

AU - Dean, M. P.M.

PY - 2021/4/30

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AB - Revealing the predominant driving force behind symmetry breaking in correlated materials is sometimes a formidable task due to the intertwined nature of different degrees of freedom. This is the case for La2-xSrxNiO4+δ, in which coupled incommensurate charge and spin stripes form at low temperatures. Here, we use resonant x-ray photon correlation spectroscopy to study the temporal stability and domain memory of the charge and spin stripes in La2-xSrxNiO4+δ. Although spin stripes are more spatially correlated, charge stripes maintain a better temporal stability against temperature change. More intriguingly, charge order shows robust domain memory with thermal cycling up to 250 K, far above the ordering temperature. These results demonstrate the pinning of charge stripes to the lattice and that charge condensation is the predominant factor in the formation of stripe orders in nickelates.

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Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates

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