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China Wholesale Ramsauer Townsen Effect Factories – LADP-8 Magnetoresistance & Giant Magnetoresistance Effect – Labor Featured Image
  • China Wholesale Ramsauer Townsen Effect Factories – LADP-8 Magnetoresistance & Giant Magnetoresistance Effect – Labor

China Wholesale Ramsauer Townsen Effect Factories – LADP-8 Magnetoresistance & Giant Magnetoresistance Effect – Labor

Short Description:

Note: oscilloscope not included

The device is simple in structure and rich in content. It uses two kinds of sensors: GaAs Hall sensor to measure the magnetic induction intensity, and to study the resistance of InSb magnetoresistance sensor under different magnetic induction intensity. Students can observe the Hall effect and magnetoresistance effect of semiconductor, which are characterized by research and design experiments.


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China Wholesale Ramsauer Townsen Effect Factories – LADP-8 Magnetoresistance & Giant Magnetoresistance Effect – Labor Detail:

Experiments

1. Understand magneto-resistance effects and measure the magnetic resistance Rb of three different materials.

2. Plot diagram of Rb/R0 with B and find the max value of resistance relative change (Rb-R0)/R0.

3. Learn how to calibrate magneto-resistance sensors & calculate the sensitivity of three magneto-resistance sensors.

4. Measure the output voltage and the current of three magneto-resistance sensors.

5. Plot the magnetic hysteresis loop of a spin-valve GMR.

Specifications

Description Specifications
Multilayer GMR sensor linear range: 0.15 ~ 1.05 mT; sensitivity: 30.0 ~ 42.0 mV/V/mT
Spin valve GMR sensor linear range: -0.81 ~ 0.87 mT; sensitivity: 13.0 ~ 16.0 mV/V/mT
Anisotropic magnetoresistance sensor linear range: -0.6 ~ 0.6 mT; sensitivity: 8.0 ~ 12.0 mV/V/mT
Helmholtz coil number of turns: 200 per coil; radius: 100 mm
Helmholtz coil constant current source 0 – 1.2 A adjustable
Measurement constant current source 0 – 5 A adjustable
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China Wholesale Ramsauer Townsen Effect Factories – LADP-8 Magnetoresistance & Giant Magnetoresistance Effect – Labor detail pictures

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