A magnetic device and method for electric field regulation based on oxygen ion movement
An electric field regulation and magnetic device technology, which is applied in the manufacture/processing of electromagnetic devices, digital memory information, instruments, etc., can solve the problems of high device preparation cost, high temperature and high pressure, etc., and achieves the effect of improving application potential and reducing costs.
Active Publication Date: 2019-12-10
QINGDAO UNIV
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[0005] An embodiment of the present invention provides an electric field-regulated magnetic device and method based on oxygen ion movement to solve the problems in the prior art that electric field-regulated magnetism requires high temperature and high pressure, and the cost of device preparation is high
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[0024] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0025] see figure 1 , is a schematic structural diagram of an electric field-regulated magnetic device based on the motion of oxygen ions provided by an embodiment of the present invention.
[0026] Such as figure 1 As shown, the electric field regulation magnetic device based on the movement of oxygen ions provided by the embodiment ...
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The embodiment of the present invention discloses an electric field regulation magnetic device and method based on oxygen ion movement. The device includes a first electrode layer arranged in a rectangular parallelepiped structure, wherein a compound barrier layer is arranged on the upper surface of the first electrode layer, The upper surface of the composite barrier layer is provided with a second electrode layer, and the projection of the second electrode layer on the surface of the composite barrier layer is located in the composite barrier layer. By regulating the movement of oxygen ions between the antiferromagnetic layer and the nonmagnetic insulating layer by an electric field, the magnetism of magnetic materials can be effectively controlled at room temperature and low voltage, thereby effectively reducing the cost of electric field regulation of magnetism. , to improve the application potential of electric field-regulated magnetic technology in the field of spintronic information storage.
Description
technical field [0001] The invention relates to the technical field of electronic information storage, in particular to an electric field-regulated magnetic device and method based on the movement of oxygen ions. Background technique [0002] Electric field control of magnetism refers to the use of electric field to control the magnetic properties of materials such as magnetization, magnetic anisotropy, and Curie temperature. The magnetic changes of ferromagnetic materials under the action of electric field can reveal many important microscopic physical mechanisms, such as the magnetic origin of magnetic semiconductors, the magnetoelectric coupling of multiferroic materials and other physical effects; and the electric field is used to replace the magnetic field or the current controls the magnetism to achieve The reading and writing of information storage can effectively meet the increasing requirements of new information storage and processing devices in terms of high densi...
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IPC IPC(8): H01L43/12G11C11/16H10N50/01
CPCG11C11/161H10N50/01
Inventor 李强李山东徐洁赵国霞王霞
Owner QINGDAO UNIV