Search for Loop currents in two-leg CuO ladders at high Ca-doping
We discovered the existence of a new kind of short-range magnetism in the two-leg ladder (Sr,Ca)14Cu24O41 family of cuprates [1]. Observed for the Ca contents x = 5 and 8, this magnetism develops within the two-leg ladders and exhibits increasing correlations with increasing hole-doping. Its magnetic scattering further displays a very specific momentum dependence, the hallmark of a theoretically predicted loop current magnetism in such a material [2, 3]. Our discovery brings a novel insight onto the nature of the magnetic properties of hole-doped two-leg ladder cuprates and suggests that a loop current phase could act as a precursor to the S = ½ antiferromagnetic state at larger Ca content. We want to complement our study and probe the interplay between this novel magnetic phase and the AF-LRO state in a highly doped compound (xCa=12). To this aim, we ask for 8 days on D7.
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The recommended format for citing this dataset in a research publication is in the following format:
BOUNOUA Dalila; Bourges; MANGIN-THRO Lucile; SIDIS Yvan and VERSEILS Marine. (2021). Search for Loop currents in two-leg CuO ladders at high Ca-doping. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-53-296
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