TUNING MAGNETIC ANISOTROPY AND SPIN-ORBIT COUPLING IN YBa(Cu1-xCox)FeO5 HIGH-TC SPIRAL MULTIFERROIC
The low-magnetic ordering temperatures (typically <100 K) critically restrict the potential uses of magnetoelectric multiferroics for spintronics and low-power magnetoelectric devices. The origin of the multiferroic magnetic spirals in YBaCuFeO5 (a lattice without geometric frustration) is subject of debate. To give account of the anomalously high critical temperature for magnetic-spiral order new theoretical models based on the presence of chemical disorder and Random Magnetic Exchanges are being considered. As an strategy to tune the magnetic anisotropy and spin-orbit coupling in the system, we investigate the multiferroic properties of the isovalent substitution of Cu2+ by Co2+ in YBa(Cu1-xCox)FeO5.
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Jose Luis Garcia-Muņoz; BLASCO Javier; FABELO ROSA Oscar Ramon; Arnau Romaguera and ZHANG XIAODONG. (2019). TUNING MAGNETIC ANISOTROPY AND SPIN-ORBIT COUPLING IN YBa(Cu1-xCox)FeO5 HIGH-TC SPIRAL MULTIFERROIC. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2631
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