The strange metal state of the electron-doped cuprates
An understanding of the high-temperature copper oxide (cuprate) superconductors has
eluded the physics community for over thirty years and represents one of the greatest …
eluded the physics community for over thirty years and represents one of the greatest …
Novel Electronic State and Superconductivity in the Electron-Doped High-Tc T'-Superconductors
T Adachi, T Kawamata, Y Koike - Condensed Matter, 2017 - mdpi.com
In this review article, we show our recent results relating to the undoped (Ce-free)
superconductivity in the electron-doped high-T c cuprates with the so-called T'structure. For …
superconductivity in the electron-doped high-T c cuprates with the so-called T'structure. For …
Direct theoretical evidence for weaker correlations in electron-doped and Hg-based hole-doped cuprates
Many important questions for high-T c cuprates are closely related to the insulating nature of
parent compounds. While there has been intensive discussion on this issue, all arguments …
parent compounds. While there has been intensive discussion on this issue, all arguments …
Electron Number-Based Phase Diagram of and Possible Absence of Disparity between Electron- and Hole-Doped Cuprate Phase Diagrams
We performed annealing and angle resolved photoemission spectroscopy studies on
electron-doped cuprate Pr 1-x LaCe x CuO 4-δ (PLCCO). It is found that the optimal …
electron-doped cuprate Pr 1-x LaCe x CuO 4-δ (PLCCO). It is found that the optimal …
Hole pocket–driven superconductivity and its universal features in the electron-doped cuprates
After three decades of intensive research attention, the emergence of superconductivity in
cuprates remains an unsolved puzzle. One major challenge has been to arrive at a …
cuprates remains an unsolved puzzle. One major challenge has been to arrive at a …
Collective nature of orbital excitations in layered cuprates in the absence of apical oxygens
We have investigated the 3 d orbital excitations in CaCuO 2 (CCO), Nd 2 CuO 4 (NCO), and
La 2 CuO 4 (LCO) using high-resolution resonant inelastic x-ray scattering. In LCO they …
La 2 CuO 4 (LCO) using high-resolution resonant inelastic x-ray scattering. In LCO they …
Evolution of charge order topology across a magnetic phase transition in cuprate superconductors
Charge order is now accepted as an integral constituent of cuprate high-temperature
superconductors, one that is intimately related to other electronic instabilities including …
superconductors, one that is intimately related to other electronic instabilities including …
Unified description of cuprate superconductors using a four-band model
In the 35 years since the discovery of cuprate superconductors, we have not yet reached a
unified understanding of their properties, including their material dependence of the …
unified understanding of their properties, including their material dependence of the …
Extended superconducting dome revealed by angle-resolved photoemission spectroscopy of electron-doped cuprates prepared by the protect annealing method
The electron-doped cuprates are usually characterized by a more robust antiferromagnetic
phase and a much narrower superconducting (SC) dome than those of the hole-doped …
phase and a much narrower superconducting (SC) dome than those of the hole-doped …
Electronic Structure of Ce-Doped and -Undoped Superconducting Thin Films Studied by Hard X-Ray Photoemission and Soft X-Ray Absorption …
In order to realize superconductivity in cuprates with the T′-type structure, not only
chemical substitution (Ce do**) but also postgrowth reduction annealing is necessary. In …
chemical substitution (Ce do**) but also postgrowth reduction annealing is necessary. In …