Chirality-induced effective magnetic field in a phthalocyanine molecule

Abstract

Chirality in organic molecules has attracted considerable attention in the fields of chemistry, biology, and spintronics. This paper reports on perpendicular magnetization hysteresis loops of a multilayer consisting of ultrathin Fe (001), chiral phthalocyanine molecule ((P)- or (M)-PbPc-DTBPh), and MgO (001). We find a chirality-dependent shift of the hysteresis loop. Unlike the previously reported bias current induced phenomena, the result shows a chirality-induced effective magnetic field in the phthalocyanine molecule in the absence of a bias current in the system. This study opens up a new direction in the emerging field of chiral molecular spintronics.

References in corpus (4)

• Spin Hall effect
• The macroscopic monopolization in diagonal magnetoelectrics
• Detecting chirality in two-terminal electronic devices
• Electric-field-induced changes of magnetic moments and magnetocrystalline anisotropy in ultrathin cobalt films

Cited by in corpus (6)

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• Spontaneous spin selectivity in chiral molecules at the interface
• Achiral dipoles on a ferromagnet can affect its magnetization direction
• Theory of spin Seebeck effect activated by acoustic chiral phonons
• Emergent magnetism as a cooperative effect of interactions and reservoir
• Predominant Electronic Order Parameter for Structural Chirality -- Role of Spinless Electronic Toroidal Multipoles