Performance testing device and method of multiferroic liquid
A technology of testing device and testing method, applied in the direction of measurement device, material analysis by electromagnetic means, instrument, etc., to achieve the effect of convenient measurement
Pending Publication Date: 2018-07-17
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology
Therefore, the measurement device for ordinary solid materials cannot be copied
However, there is no report of a device capable of testing its electrical properties, magnetic properties, optical properties, and magnetoelectric coupling effects
Method used
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[0034] see figure 1 , a performance testing device for multiferroic liquids, including containers made of non-magnetic, transparent, and insulating materials used to hold multiferroic liquids. The reason why insulation is required is because electrical properties are measured, such as dielectric properties, When the electrical conductivity is required, an electrode plate needs to be installed on the container. At this time, if the container is insulated, it can ensure that the upper and lower electrode plates are not short-circuited; of course, if the light transmission is only measured, the electrode plate is not needed; transparent, it is hoped that the state inside the container can be observed in real time. The distance between the two electrode plates cannot be too large (a large distance requires a large voltage, and the error is large when measuring the magnetic properties), so the distance between the electrode plates in this structure is required to be small, so the c...
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Abstract
The invention discloses a performance testing device and method of multiferroic liquid. The testing device comprises a container which is made of a nonmagnetic, transparent and insulating material andis used for containing the multiferroic liquid, the container is a cuboid, mounting holes are oppositely formed in the two parallel side walls of the container, electrode plates which are made of transparent and nonmagnetic materials are fixedly sealed in all the mounting holes respectively to form the sealed container, two connecting holes are formed in the top wall of the container, a stand pipe which is made of an insulating and nonmagnetic material is connected with the interior of each connecting hole, both the stand pipes and the corresponding connecting holes are sealed, one stand pipeis used for injecting the multiferroic liquid into the container, and the other stand pipe is used for exhausting air in the container. The testing method comprises the steps of 1, preparation beforetesting, and 2, testing.
Description
technical field [0001] The invention relates to the technical field of multiferroic materials, in particular to a performance testing device and method for multiferroic liquids. Background technique [0002] With the rapid development of the electronic information industry, the urgent demand for large-capacity, low-energy consumption, high-speed, and high-performance electronic components puts forward higher and higher requirements for materials. Multiferroic materials, as multifunctional materials with the coexistence of two or three basic ferrotypes (ferroelectricity, ferromagnetism, and ferroelasticity), are not only used in the application field of single ferroelectric materials, but also in new magnetic-electric sensor devices, spin Electronic devices, new information storage devices and other fields have shown great application prospects. [0003] The so-called ferroelectricity means that some crystals are in the state of spontaneous polarization, and have a spontaneo...
Claims
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IPC IPC(8): G01N27/00G01N21/17
CPCG01N21/1717G01N27/00G01N27/221G01N2021/1721G01N2021/1727G01N2021/1731
Inventor 王振华高荣礼符春林蔡苇陈刚邓小玲徐瑞成李震东张钱伟张世龙
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY