products

products categories

Download

Download Download file and products catalogue for equipment.

contact us

  • If you have questions, please contact us, all questions will be answered
  • Tel : 18030236818
  • Fax : +86-592 5237901
  • Email : dexing@china-dexing.com

hot products

  • Hall Effect Measurement System

    DX-100 Hall Effect Measurement System

  • soft magnetic material coercivity measuring device

    DX-2012HC soft magnetic material coercivity measuring device

  • Fluxgate Magnetometer

    DX-330F 3D Fluxgate Magnetometer

  • Gauss Meter

    DX-180 Gauss Meter

  • Double-Yoke Double-Tuning Adjustable Air Gap Electromagnet

    DXSB Double-Yoke Double-Tuning Adjustable Air Gap Electromagnet

  • 3 Axis Helmholtz Coils

    3 Axis Helmholtz Coils

Products

DX-30 Permanent Magnet Hall Effect Test System

The experimental results are automatically calculated by the software, and the Bulk Carrier Concentration, Sheet Carrier Concentration, Mobility, Resistivity, Hall Coefficient (Hall) can be obtained at the same time. Coefficient), magnetoresistance (Magnetoresistance) and so on.

contact now

DX-30 Permanent Magnet Hall Effect Test System


System composition:

    This instrument system is composed of permanent magnet, high-precision constant current source, high-precision voltmeter, Hall effect sample holder, standard sample, high-precision Gauss meter and system software. The DX-320 effector specially developed for this instrument system integrates a constant current source, a six-and-a-half-digit microvoltmeter and a complex switching relay-switch for Hall measurement into a whole, which greatly reduces the connection and operation of the experiment. DX-320 can be used as a constant current source and a microvoltmeter alone. It is used to measure important parameters such as carrier concentration, mobility, resistivity, and Hall coefficient of semiconductor materials. These parameters must be controlled in advance to understand the electrical characteristics of semiconductor materials. Therefore, the Hall effect test system is to understand and study semiconductor devices. And a necessary tool for the electrical properties of semiconductor materials. The experimental results are automatically calculated by the software, and the Bulk Carrier Concentration, Sheet Carrier Concentration, Mobility, Resistivity, Hall Coefficient (Hall) can be obtained at the same time. Coefficient), magnetoresistance (Magnetoresistance) and so on.


Testable materials:

Physical parameters

Carrier Density

103cm-3  1023cm-3

Mobility

0.1cm2/volt*sec 108cm2/volt*sec

Resistivity

10-7 Ohm*cm1012 Ohm*cm

Hall voltage

1uV ~ 3V

Hall index

10-3  106cm3/C

Testable material type

semiconductors

SiGe, SiC, InAs, InGaAs, InP, AlGaAs, HgCdTe and ferrite materials, etc.

Low impedance material

Graphene, metal, transparent oxide,

Weak magnetic semiconductor materials, TMR materials, etc.

High-impedance material

Semi-insulating GaAs, GaN, CdTe, etc.

Material conductive particles

P-type and N-type testing of materials

Magnetic field environment

Magnet type

Nuclear magnetic resonance NMR series permanent magnets

Magnetic field size

500mT

(The distance between the poles: 18mm)

Optional magnetic environment

Permanent magnets with relevant magnetic sizes can be customized according to customer needs

Electrical parameters

Battery

50.00nA-50.00mA

Current source resolution

0.0001uA

Measuring voltage

0±3V

Voltage measurement resolution

0.0001mV

Temperature environment

Room temperature

Other Accessories

Shading

Externally install shading parts to make the test material more stable

Sample size

Maximum 30mm*30mm

Test sample

Provide Hall Effect from Institute of Semiconductors, Chinese Academy of Sciences

Standard test samples and data: 1 set

(Silicon, germanium, gallium arsenide, indium antimonide)

Making ohmic contacts

Electric soldering iron, indium sheet, solder, enameled wire, etc.


Sample Test Typical Example

11121.png

222250.png


Instrument introduction:

Item No.

Name

Technical Specification

001

DX-100

Electromagnet

1. Both ends are high-stability permanent magnets, and the magnetic field value is: 500mT up and down (the specific value is subject to actual measurement)

2. The distance between the pole heads of the two permanent magnets: 18mm, the pole diameter: 48mm, and the pole face diameter: 33mm

3. The permanent magnet is a nuclear magnetic resonance NMR series permanent magnet with good stability and very uniform magnetic field, ensuring that the uniformity of the uniform zone is 15*10-5

4. Permanent magnets with relevant magnetic sizes can be customized according to customer needs to cooperate with the Hall effect test experiment

002

DX-320

Sample constant current source

1. The basic resolution of current output is 0.0001uA, and the basic resolution of voltage measurement is 0.0001mV

2. Output range: 50.00nA-50.00mA can be continuously adjustable in steps of 0.1nA

3. Measuring voltage: 0~±3V large range test voltage meets the test of high resistance chip

4. Built-in four-phase array card with automatic conversion, which can realize automatic measurement of Hall effect van der Pauw method

5. Good human-computer interaction interface, convenient for users to make manual adjustments

6. Complete host computer instructions, which can communicate with the computer to complete various operations

003

DX-35

Sample stage

1. The sample table can support 30*30mm size samples for testing

2. The pressure point of the four-probe method makes the operation and the contact of the sample more convenient and firm

3. The shading parts are installed outside to make the test material more stable

4. The sample stage is fixed on the permanent magnet bracket, so that the sample is in the same position each time, ensuring better measurement repeatability

5. The pin of the sample stage is connected with the CH-320 instrument through the wire to realize the stable measurement of the Van der Pauw method

004

PC software

1. One-key automatic measurement can be realized. After the test starts, the tester must reverse the polarity of the permanent magnet according to the program prompts to perform the measurement.

2. Carry out the parameter setting of the relevant test samples in the software, and realize the automatic calculation of each parameter after the test is completed

3. I-V curve and B-V curve can be performed in the software

4. The modular design in the software is convenient for customers to use and the development of related functions. 5. After the experimental results are measured, the data will be temporarily stored in the software. If long-term storage is required, the data can be exported to the EXCEL table, which is convenient for later data processing

005

Supporting equipment

1. Permanent magnet fixing device, so that the magnet is fixed in the same position every time you operate

2. Provide Hall-effect standard test samples and data from the Institute of Semiconductors of the Chinese Academy of Sciences: 1 set

3. The corresponding tools for making ohmic contact solder joints on the sample: electric soldering iron, indium sheet, solder, enameled wire, etc.

4. 232 to USB serial line to realize the communication between the test instrument and the host computer software


inquiry now

    We will give you a quotation within 24 hours.

    Contact Us:

    Company:    DEXING MAGNET TECH. CO., LIMITED.

    Tel:    +86-592 5237772
    Email:    dexing@china-dexing.com
Main Products
  • DX-2012HC Soft Magnetic Material Coercivity Measuring Device DX-2012HC Soft Magnetic Material Coercivity Measuring Device

    DX 2012HC soft magnetic material coercivity measuring device is mainly used for rapid measurement of soft materials including: pure iron and carbon steel, soft ferrite, magnetic powder and other regular and irregular open circuit samples, and the test method is reliable.

  • DX-100 Hall Effect Measurement System DX-100 Hall Effect Measurement System

    DX 100 Hall effect test system can be divided into normal temperature, high temperature, low temperature, high and low temperature Hall effect test system; It is used to measure the carrier concentration, mobility, resistivity, Hall coefficient, etc. of semiconductor materials; It is an essential tool for studying the electrical properties of semiconductor materials.

  • DX-9000 Series Vibration Sample Magnetometer DX-9000 Series Vibration Sample Magnetometer

    DX-9000 series vibrating sample magnetometer is a kind of magnetometer developed by Xiamen Dexing Magnet Tech. Co., Ltd. The main research and development of the magnetic material measurement system is a new generation of products based on the electromagnet platform.

  • DX-2100AM Magnetization Angle Measurement System DX-2100AM Magnetization Angle Measurement System

    The DX 2100AM magnetization angle measurement system is connected to the independent three component fluxmeter by a three dimensional Helmholtz coil to form a hardware test part;Through a microcomputer conversion of the test data of three components, a complete magnetization angle measurement system is formed.