Photo-controlled exchange bias in CoO@Co–Fe PBA core–shell heterostructures
Kangkang Yao, Jianing Li, Shuang Yuan, Kaiyan Cao, Fang Wang, Yin Zhang, Fanghua Tian, Jinwen Wang, Qiang Wang, Sen Yang
Abstract
After red irradiation, the exchange bias field of the CoO@Co–Fe PBA hybrid reduces by ∼50%. In addition, the value of H EB can be further regulated accurately by setting the irradiation time or adjusting the incident light frequency.
Topics & Concepts
Materials scienceExchange biasIrradiationHeterojunctionCore (optical fiber)Shell (structure)OptoelectronicsComposite materialMagnetic fieldQuantum mechanicsNuclear physicsPhysicsMagnetic anisotropyMagnetizationMagnetic properties of thin filmsZnO doping and propertiesNonlinear Optical Materials Studies