German Phystech RH2035 Room Temperature Hall Effect Instrument

• 详细介绍
• 详细参数

• 详细介绍

  Product principle:

  The Hall effect is a kind of electromagnetic effect. This phenomenon was discovered by the American physicist E.H. Hall (1855-1938) in 1879 when he was studying the conductive mechanism of metals. [1] When the current passes through the semiconductor perpendicular to the external magnetic field, the carriers are deflected, and an additional electric field is generated perpendicular to the direction of the current and the magnetic field, resulting in a potential difference between the two ends of the semiconductor. This phenomenon is the Hall effect. The potential difference is also called the Hall potential difference. The Hall effect is judged using the left-hand rule.

  
  

  Product application:

  Research the electrical characteristics of semiconductor devices and semiconductor materials, and accurately measure the carrier concentration, mobility, resistivity, Hall coefficient and other important parameters of semiconductor materials

  
  

  Technical features:

  √ Fast, simple and desktop type.

  √ 77K and 300K

  √Current resolution: 25pA

• 详细参数

  1. Magnetic field strength: 0.45T

  2. Magnetic field type: permanent magnet magnet

  3. Magnetic field uniformity: Magnetic field non-uniformity＜±1%

  4. Temperature zone: 77K and room temperature

  5. Range of resistivity: 1 µ Ohm*cm ~10 M Ohm*cm

  6. Resistance range: 0.1 m Ohms ~10 G Ohms

  7. Carrier concentration: 107~1021cm-3

  8. Mobility: 10-2~107 cm2/volt*sec

  9. Current resolution: 2.5 pA (lowest range)

  10. Voltage range: ±10V

  11. Voltage resolution: 1μV

• 产品特色

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• 详细介绍

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