Polyanisotropic Magnetoelectric Coupling in an Electrically Controlled Molecular Spin Qubit
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https://figshare.com/articles/dataset/Polyanisotropic_Magnetoelectric_Coupling_in_an_Electrically_Controlled_Molecular_Spin_Qubit/11342711
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资源简介：
Two molecular spin qubits are studied with pulsed electron
paramagnetic
resonance (EPR) spectroscopy under electric fields to assess their
magnetoelectric (ME) couplings and electric spin control. [Fe3O(PhCOO)6(py)3]ClO4·py
(Fe3) is characterized by strong
Dzyaloshinskii–Moriya interactions (DMI) which induce important
magnetoanisotropy, whereas the DMI in [Cr3O(PhCOO)6(py)3]ClO4·0.5py (Cr3) is 1–2 orders of magnitude weaker. Fe3 is observed to demonstrate a clear
ME effect, whose intensity shows an unprecedented dependence on the
molecular orientation within the electric field E (electroanisotropy)
and on the relative orientations of the molecular z axis, the Zeeman field B0 and E (magnetoelectric anisotropy). The electric control in Fe3 is shown to be coherent, and the ME effect
exhibits complex dynamics characterized by saturation and oscillatory
effects. On the other hand, Cr3 exhibits no discernible ME effect, which correlates well with its
negligible DMI.
创建时间：
2019-11-25
