A Novel Dual Magnetodiode for Wireless Sensor Networks

Authors

  • Chalin Sutthinet Department of Electronics, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
  • Amporn Poyai Thai Microelectronics Center, Design & Engineering Consulting Service Center (DECC), National Science and Technology Development Agency (NSTDA), Thailand
  • Toempong Phetchakul Department of Electronics, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand https://orcid.org/0000-0002-9114-3730

DOI:

https://doi.org/10.13052/jmm1550-4646.16122

Keywords:

p–n junction, magnetic sensor, carrier deflection, diode, magnetodiode, Lorentz’s force, TCAD

Abstract

This paper presents a new magnetodiode, the so-called dual magnetodiode, for wireless sensor application. The device is a current mode which can be integrated with a chip compatible with modern low power, low voltage integrated circuit (IC). The structure and operation are completely different from a conventional magnetodiode. The structure is composed of two p–n junctions in that one region is common and the others are split terminals for output of differential current. The underlying mechanism is carrier deflection by induced force from a magnetic field. The carriers are injected from the common region by forward bias. The defection carriers diffuse, deflect, and recombine along substrate through split terminals according to direction and density of the magnetic field linearly and symmetrically. From the comparison of complementary structure of the split cathode and the split anode structure of LD = 50 μm, the bias current 1 mA and magnetic field 0.5 T, the relative sensitivities (SR) are 11.01 and 11.19 T−1, respectively. This device is a simple p–n junction structure which is compatible with all micro/nanotechnology.

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Author Biographies

Chalin Sutthinet, Department of Electronics, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand

Chalin Sutthinet received his B.S. degree in electronic engineering from the Southeast Asia University, Bangkok, Thailand in 1995 and the M.S. degree in microelectronics engineering from the King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand in 2013.

His research interest areas are automation control engineering, internet of things, data science, artificial intelligence, virtual reality, semiconductor devices, and sensors.

Amporn Poyai, Thai Microelectronics Center, Design & Engineering Consulting Service Center (DECC), National Science and Technology Development Agency (NSTDA), Thailand

Amporn Poyai received his B.Sc. degree in physics from the Silpakorn University, Bangkok, Thailand in 1991, the M.S. degree in electrical engineering from the King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand in 1994, and the Ph.D. degree in electrical engineering from the Katholieke University of Leuven, Leuven, Belgium in 2002.

His research is emphasized on design, simulation, fabrication and characterization of semiconductor device, microfabrication technology, and integrated circuit. He worked at the Thai Microelectronics Center (TMEC) and now is currently working at the Design & Engineering Consulting Service Center (DECC) as part of the National Science and Technology Development Agency (NSTDA), Thailand.

Toempong Phetchakul, Department of Electronics, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand

Toempong Phetchakul received his B.S. degree in electronic engineering, the M.S. degree in electrical engineering from the King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand, and the D.Eng degree in solid state device engineering from the Tokai University, Japan.

His research interests are in design, simulation, fabrication and characterization of semiconductor device, and semiconductor sensors on integrated circuit. He is currently working at the Department of Electronics, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand

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Published

2020-08-17

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Section

Smart Innovative Technology for Future Industry and Multimedia Applications

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