A dual functional asymmetric plasmonic silver nanostructure for temperature and magnetic field sensing

S, Simitha; Mohan, Devika; Francis, Shinto M; Ramachandran, Ajith; Jacob, Jesly; Sugunan, Sunish K.

doi:10.1039/d3cp01748f

Phys. Chem. Chem. Phys.

2023

DOI: 10.1039/d3cp01748f

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A dual functional asymmetric plasmonic silver nanostructure for temperature and magnetic field sensing

Simitha S

Devika Mohan

Shinto M Francis³

et al.

Abstract: A geometrically asymmetric plasmonic sensor for the simultaneous and individual detection of multiple parameters with enhanced specificity and accuracy.

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2024

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Cited by 2 publications

References 42 publications

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Highly Reliable Diamond MEMS Dual Sensor for Magnetic Fields and Temperatures with Self‐Recognition Algorithms

Zhang,

Gu,

Chen

et al. 2024

Adv Materials Technologies

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Nearly all sensors inevitably suffer from environmental influence such as temperature fluctuation. To precisely process the external signals, independent temperature compensation devices or electronic circuits are usually required, making the overall system and algorithms sophisticated. Especially, when the environment temperature is as high as over 200 °C, both the sensors and temperature‐compensation devices encounter the reliability problem. In this work, an intelligent multifunctional sensor utilizing single‐crystal diamond (SCD) microelectromechanical (MEMS) resonators is demonstrated that can sense both magnetic fields and temperatures up to 300 °C, independently. The strategy is to integrate a magnetostrictive thin film and a non‐magnetic thin film on different diamond MEMS resonators on the same diamond chip for simultaneous magnetic field sensing and temperature monitoring, respectively. The multi‐resonators based on diamond MEMS offer a promising platform for multi‐parameter sensing immune to environment interference.

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Highly Reliable Diamond MEMS Dual Sensor for Magnetic Fields and Temperatures with Self‐Recognition Algorithms

Zhang,

Gu,

Chen

et al. 2024

Adv Materials Technologies

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Whispering gallery mode based micro-ring resonator for magnetic field sensing

George,

Saritha,

Ramachandran

2024

Appl. Opt.

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This study proposes a whispering gallery mode based micro-ring optical resonator with a simple and integrated structure for magnetic field sensing. The performance of the proposed sensor is studied theoretically with the help of the finite element method. Through an in-depth investigation into the sensitivity and reliability of the proposed sensor, the capability to sense a uniform magnetic field is established. In addition to detecting a uniform magnetic field, the sensor is also capable of estimating the spatial inhomogeneity of the applied magnetic field, provided the presence of such inhomogeneity is already known. Furthermore, it possesses the ability to determine the direction of the applied magnetic field. The results highlight the versatility of the proposed sensor in meeting various magnetic field sensing needs, and we anticipate that such a micro-cavity sensor will have promising applications in highly sensitive optical sensing.

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A dual functional asymmetric plasmonic silver nanostructure for temperature and magnetic field sensing

Abstract: A geometrically asymmetric plasmonic sensor for the simultaneous and individual detection of multiple parameters with enhanced specificity and accuracy.

Cited by 2 publications

References 42 publications

Highly Reliable Diamond MEMS Dual Sensor for Magnetic Fields and Temperatures with Self‐Recognition Algorithms

Highly Reliable Diamond MEMS Dual Sensor for Magnetic Fields and Temperatures with Self‐Recognition Algorithms

Whispering gallery mode based micro-ring resonator for magnetic field sensing

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