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9 papers · 1 filter
Strain-Induced Spin States in Atomically Ordered Cobaltites
Woo Seok Choi, Ji-Hwan Kwon, Hyoungjeen Jeen +9
Epitaxial strain imposed in complex oxide thin films by heteroepitaxy is recognized as a powerful tool for identifying new properties and exploring the vast potential of materials…
Nitrogen-Functionalized Graphene Nanoflakes (GNFs:N): Tunable Photoluminescence and Electronic Structures
J. W. Chiou, Sekhar C. Ray, S. I. Peng +22
This study investigates the strong photoluminescence (PL) and X-ray excited optical luminescence observed in nitrogen-functionalized 2D graphene nanoflakes (GNFs:N), which arise fr…
Long-range incommensurate charge fluctuations in (Y,Nd)Ba2Cu3O(6+x)
G. Ghiringhelli, M. Le Tacon, M. Minola +17
There are increasing indications that superconductivity competes with other orders in cuprate superconductors, but obtaining direct evidence with bulk-sensitive probes is challengi…
Distinct Charge Orders in the Planes and Chains of Ortho-III-Ordered YBaCuO Superconductors Identified by Resonant Elastic X-ray Scattering
A. J. Achkar, R. Sutarto, X. Mao +15
Recently, charge density wave (CDW) order in the CuO planes of underdoped YBaCuO was detected using resonant soft x-ray scattering. An important question remain…
Spin-Orbit Coupling in Iridium-Based 5d Compounds Probed by X-ray Absorption Spectroscopy
J. P. Clancy, N. Chen, C. Y. Kim +5
We have performed x-ray absorption spectroscopy (XAS) measurements on a series of Ir-based 5d transition metal compounds, including Ir, IrCl3, IrO2, Na2IrO3, Sr2IrO4, and Y2Ir2O7.…
Probing the role of Co substitution in the electronic structure of iron-pnictides
G. Levy, R. Sutarto, D. Chevrier +10
The role of Co substitution in the low-energy electronic structure of Ca(FeCo)As is investigated by resonant photoemission spectroscopy and density func…