The appearance of weak ferromagnetism of hexagonal stabilized ErFeO 3 thin film
2016
Hexagonal ErFeO 3 thin films were fabricated by a pulsed laser deposition method. A high-field magnetization measurement and the Mossbauer spectroscopy under a magnetic field were conducted. It revealed that the magnetic moment of Fe ion lay almost in the ab plane of the thin film forming the 120° structure. The obtained spectrum was explained with the coexistence of two domains with the opposite cant direction of the net magnetic moments along the c axis. The increase of the quadrupole coupling constant with a magnetic field would suggest the displacement of Fe ion by a magnetic field.
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