The reporter recently learned from the Institute of Metal Research of the Chinese Academy of Sciences that researcher Ma Xiuliang’s research team and collaborators have discovered flux-closed domain structures in ferroelectric materials, or have enabled ferroelectric materials to achieve ultra-high-density information storage. The ferroelectric material refers to a type of material whose direction of polarization can be changed under the action of an applied electric field, such as lead titanate, barium titanate and other materials. The ferroelectric memory has the advantages of low power consumption, fast read and write speed, long service life, and strong radiation resistance, but it cannot achieve a very small memory cell, and it is difficult to meet the demand for high-density storage. Ma Xiuliang’s research team proposed a method to overcome the spontaneous strain of ferroelectric materials and overcome the lattice distortion of ferroelectric materials by introducing additional strain. "Lattice distortion refers to the deformation of the crystal lattice." Ma Xiuliang said that a crystal is a solid with a well-defined diffraction pattern, and its spatial arrangement of atoms in the crystal is called a lattice. Based on the above design ideas, the research team used pulsed laser deposition to prepare a series of lead titanate ferroelectric multilayer films with different thicknesses on a germanate substrate, using aberration-corrected electron microscopy with atomic-scale resolving power. Not only the full closed domain structure of flux and its novel atomic configuration maps were discovered, but large-scale periodic arrays composed of alternate arrangements of clockwise and counterclockwise closed structures were observed. On this basis, they revealed the regularity of the formation of periodic closed structures. Ye Hengqiang, an academician of the Chinese Academy of Sciences, believes: “The discovery of fully closed domain structures and related domain arrays in ferroelectric materials reflects breakthroughs in the frontier areas in two aspects. One is that the flux of the multiferroic material is fully closed and may result in high The density information storage function, and the low energy consumption of this storage, is a potential way to solve the high energy consumption of ultra-high integration microelectronics chips.The experimental results of this closed structure have been found to be of great significance.The second is that this kind of structure is used to have The aberration-corrected electron microscopy of Ariel's resolving power is presented in an intuitive form that opens up people's horizons and is a powerful characterization tool for scientists to understand the laws of nature.†(Reporter Ma Aiping) For different application scenarios of customers, our R&D department independently designed and developed a variety of Peristaltic Pump heads with different sizes, different appearances, different flow rates, and different types. Support the customization of the number of pump head rollers and the installation shaft. It can be used with the customer's motor and drive. The Peristaltic Pump Head of the peristaltic pump can be customized with different pump head connection brackets and so on according to the needs of customers. Micro Flow Pump Head,Multichannel Pump Head,Industrial Pump Head,Peristaltic Pump Heads Baoding Chuangrui Precision Pump Co., Ltd. , https://www.crperistalticpump.com
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