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5 papers · 2 filters
Quantum Spin Excitations through the metal-to-insulator crossover in
Shiliang Li, Zahra Yamani, Hye Jung Kang +5
We use inelastic neutron scattering to study the temperature dependence of the spin excitations of a detwinned superconducting YBaCuO ( K). In contrast to…
Spin resonance in the d-wave superconductor CeCoIn5
C. Stock, C. Broholm, J. Hudis +2
Neutron scattering is used to probe antiferromagnetic spin fluctuations in the d-wave heavy fermion superconductor CeCoIn (T=2.3 K). Superconductivity develops from a s…
Quantum spin correlations through the superconducting-normal phase transition in electron-doped superconducting Pr0.88LaCe0.12CuO4-d
Stephen D. Wilson, Shiliang Li, Jun Zhao +7
The quantum spin fluctuations of the S = 1/2 Cu ions are important in determining the physical properties of the high-transition temperature (high-Tc) copper oxide superconductors,…
The Fincher-Burke spin excitations and omega/T scaling in the insulating 5% Sr-doped La2CuO4
Wei Bao, Ying Chen, K. Yamada +4
Insulating La1.95Sr0.05CuO4 shares with superconducting cuprates the same Fincher-Burke-like spin excitations, which usually are observed in itinerant antiferromagnets. The local s…
Microscopic annealing process and its impact on superconductivity in T'-structure electron-doped copper oxides
Hye Jung Kang, Pengcheng Dai, Branton J. Campbell +7
High-transition-temperature superconductivity arises in copper oxides when holes or electrons are doped into the CuO2 planes of their insulating parent compounds. While hole-doping…