Xi'an University goes further in the field of flexible wearable devices research
Recently, Jia Chunlin's scientist studio of Xi'an Jiaotong University successfully prepared high-quality (111)-oriented CoFe2O4 epitaxial nano-array on flexible mica substrate by chemical etching self-assembled 1-3 nanocomposite film. The magnetic properties were studied. The above research results were published in the material journal Materials Horizons and were recommended as cover articles for the current period. Let's take a look at the related content with Xiaobian.
From technology giants to startups, they are full of flaws in flexible wearables. In the medical field, the development and application of flexible electronics is the mainstream direction of people's future life health monitoring and treatment. Therefore, flexible materials have received wide attention from scientists due to their unique bending properties and potential applications in flexible wearable electronic devices. Magnetic materials, especially one-dimensional nanostructures with high orientation, are also the focus of research by researchers because of their important applications in high-density magnetic storage and sensors.
In the preparation process, the researchers observed the volume increase effect of the cell structure negative Poisson's ratio in the CoFe2O4 nano-array by high-resolution X-ray diffractometry. The nano-array prepared by this method has better crystal quality and The magnetic properties maintain considerable ferromagnetism even at very small scales. In the bent state, the hysteresis loop of the nano-array exhibits a trend dominated by magnetocrystalline anisotropy and shape factors, which provides a new idea for the design of magnetic flux sensing devices and magnetic control devices in the future. The researchers observed the volume increase effect of the cell structure negative Poisson's ratio in the CoFe2O4 nano-array by high-resolution X-ray diffractometry. The nano-array prepared by this method not only has excellent crystal quality and magnetic properties, but also In the bent state, the hysteresis loop of the nano-array exhibits a trend dominated by magnetocrystalline anisotropy and shape factors, which provides a new idea for the design of magnetic magnetic sensing devices and magnetic control devices in the future. This achievement brings devices such as wearable electronic devices with high performance and flexibility and flexibility to the manufacturing stage.
The research was supported by the National Natural Science Foundation's major special projects and face projects, the national “973†project, the postdoctoral fund, the national basic research development plan, and the basic research business fees of the central universities.
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