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High magnetomechanical coupling on magnetic microwire for sensors with biological applications

机译:磁性微线上的高磁机械耦合,用于生物应用的传感器

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摘要

In this letter, we report the experimental work carried out to study and improve the magnetomechanical coupling on magnetic microwires. A good magnetoelastic response, with magnetoelastic coupling factor k=0.43, has been obtained by control of both wire diameter and sample microstructure. The study addresses two following aspects: (a) analysis of the suitability of amorphous magnetoelastic microwire as promising tiny sensor element to be used as wireless biosensors as well as environment detectors. In particular, its potential as liquids viscosity sensor has been confirmed. (b) Study, as the first time in this kind of magnetic microwire, of the effects of nanocrystallization on the sample magnetoelastic behavior.
机译:在这封信中,我们报告了为研究和改善磁性微线上的磁机械耦合而进行的实验工作。通过控制线径和样品微观结构,已经获得了良好的磁弹性响应,磁弹性耦合系数k = 0.43。该研究从以下两个方面着手:(a)分析非晶态磁弹性微线作为有前途的微型传感器元件的适用性,该元件将用作无线生物传感器以及环境探测器。特别地,已经证实了其作为液体粘度传感器的潜力。 (b)作为这种磁性微线的首次研究,纳米晶化对样品磁弹性行为的影响。

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