Magnetic Sensors for Proximity Detection

Intelligent Sensing and Secure Communications

A dual-sensor technology combining high-performance thermal sensors and ultra-sensitive magnetic field detectors—giving precise, flexible sensing for everything from navigation to advanced electronics.

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Institute:
IIT Delh

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PI Name:
Prof. Pintu Das

Technology Readiness Level (TRL)
3-4

Problem
Addressed

Current magnetic sensing technologies often lack the
precision. adaptability, and integration capabilities
required for advanced applications like robotics and
healthcare. There’s a growing need for compact,
durable, and high-sensitivity sensors that can function
in diverse environments and on flexible surfaces.

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About the
Technology

This innovation includes two major sensor types:
  • Hard Sensors based on III-V semiconductors, offering high electron mobility and thermal stability
  • Flexible Magnetic Field Sensors, which detect magnetic fields in the millitesla range and are responsive to geomagnetic signals (~50μT).
  • High electron mobility and robust performance in hard sensors.
  • Flexible magnetic sensors that are lightweight and suitable for wearable or deformable integration.
  • Precise magnetic field detection capabilities.
  • Developed by Quantum Materials and Devices Lab, IIT Delhi.

Application Areas & Use Cases

  • Industrial robotics and collaborative robots (cobots).
  • Augmented reality systems.
  • Wearable health monitoring devices.
  • Soft robotic systems and medical devices require precise field sensing.
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Sensor sensitivity ~50 microtesla (μT).
Operation range Millitesla.
Material base III-V semiconductors, Py (20 nm), and gold (Au) contacts.