Electron Number-Based Phase Diagram of 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>Pr</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:mrow><mml:msub><mml:mrow><mml:mi>LaCe</mml:mi></mml:mrow><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>CuO</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn><mml:mo>−</mml:mo><mml:mi>δ</mml:mi></m

Song, Dongjoon; Han, Gil Soo; Kyung, Wonshik; Seo, Jeongjin; Cho, Soohyun; Kim, Beom Seo; Arita, Masashi; Shimada, Kenya; Namatame, H.; Takeuchi, Masaki; Yoshida, Yoshiyuki; Eisaki, H.; Park, Seung Ryong; Kim, C.

doi:10.1103/physrevlett.118.137001

Cited by 57 publications

(72 citation statements)

References 43 publications

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“…1a). This conclusion lends support to the very recent ARPES studies on bulk T -Pr 2−x LaCe x CuO 4−d , which also reports a revised phase diagram with an extended superconducting dome based on the intrinsic electron density estimated from Luttingers theorem [36,37].…”

Section: Supplementary Information)supporting

confidence: 85%

Evolution of charge order topology across a magnetic phase transition in cuprate superconductors

et al. 2019

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Charge order is now accepted as an integral constituent of cuprate high-temperature superconductors, one that is intimately related to other instabilities in the phase diagram including antiferromagnetism and superconductivity [1][2][3][4][5][6][7][8][9][10][11]. Unlike nesting-induced Peierls-like density waves, the charge correlations in the CuO 2 planes have been predicted to display a rich momentum space topology depending on the detailed fermiology of the system [12][13][14][15][16][17][18][19]. However, to date charge order has only been observed along the high-symmetry Cu-O bond directions. Here, using resonant soft X-ray scattering, we investigate the evolution of the full momentum space topology of charge correlations in T -Ln 2 CuO 4 (Ln=Nd, Pr) as a function of intrinsic electron doping. We report that, upon electron doping the parent Mott insulator, charge correlations first emerge in a hitherto-unobserved form, with full (C inf ) rotational symmetry in momentum-space. At higher doping levels, the orientation of charge correlations is sharply locked to the Cu-O bond high-symmetry directions, restoring a more conventional bidirectional charge order with enhanced correlation lengths. Through charge susceptibility calculations, we closely reproduce the drastic evolution in the topology of charge correlations across an antiferromagnetic quantum phase transition, highlighting the interplay between spin and charge degrees of freedom in electron-doped cuprates. Finally, using the established link between charge correlations and the underlying fermiology, we propose a revised phase diagram of T -Ln 2 CuO 4 with a superconducting region extending toward the Mott

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Section: Supplementary Information)supporting

confidence: 85%

Evolution of charge order topology across a magnetic phase transition in cuprate superconductors

et al. 2019

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“…Moreover, upon the proper annealing, the EFS reconstruction and related low-energy electron structure are very similar to these observed in the hole-doped counterparts, providing the experimental evidences of the absence of the disparity between the phase diagram of the hole-and electron-doped cuprate superconductors. The present results are also consistent with these recently experimental data 16,48 .…”

Section: A Electron Fermi Surface Reconstructionsupporting

confidence: 94%

Doping dependence of charge order in electron-doped cuprate superconductors

Mou

Feng

2017

Philosophical Magazine

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In the recent studies of the unconventional physics in cuprate superconductors, one of the central issues is the interplay between charge order and superconductivity. Here the mechanism of the charge-order formation in the electron-doped cuprate superconductors is investigated based on the t-J model. The experimentally observed momentum dependence of the electron quasiparticle scattering rate is qualitatively reproduced, where the scattering rate is highly anisotropic in momentum space, and is intriguingly related to the charge-order gap. Although the scattering strength appears to be weakest at the hot spots, the scattering in the antinodal region is stronger than that in the nodal region, which leads to the original electron Fermi surface is broken up into the Fermi pockets and their coexistence with the Fermi arcs located around the nodal region. In particular, this electron Fermi surface instability drives the charge-order correlation, with the charge-order wave vector that matches well with the wave vector connecting the hot spots, as the charge-order correlation in the hole-doped counterparts. However, in a striking contrast to the hole-doped case, the chargeorder wave vector in the electron-doped side increases in magnitude with the electron doping. The theory also shows the existence of a quantitative link between the single-electron fermiology and the collective response of the electron density.

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“…For example, the Hall coefficient shows a sign change from negative to positive at intermediate doping ( 6 , 30 ), and the Seebeck coefficient has a positive contribution for SC samples ( 29 ). (3) Last, at high doping, a state with a large hole FS is expected ( 17 , 31 ), as indeed observed in recent photoemission work ( 18 , 19 ). The demarcations between these phases depend on the specific compound and choice of annealing conditions.…”

Section: Introductionsupporting

confidence: 59%