Beijing

8B, Block A, Yard 6, Longxiang Plate Making Industrial Park, Huilongguan, Changping District

Name： Electrical Transport Properties (Hall Effect) Measurement System

Date：2019-04-30

Electrical Transport Properties (Hall Effect) Measurement System

Product introduction： After more than 10 years of experience, East changing has independently developed a set of widely used ET-9000 series of electrical transport property test system. Its main applications include Hall effect, I-V characteristics, magnetoresistance measurements, etc. It features many magnetic field options, wide measuring resistance range, large variable temperature range, simple operation, stability and reliability, and many other features.

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Overview
Specifications
Parameter

ET9000 series electrical transport property measurement system is a fully automated test system integrating Hall effect, magnetoresistance, variable temperature resistance, I-V characteristics and other tests. The system takes into account the integration, shielding anti-interference ability, test circuit and sample resistance range matching and other issues often overlooked by users. Selected Keithley's electrical measurement instruments, magnetic field according to user needs to use electromagnets or liquid helium-free superconducting magnets, equipped with a dexterous measurement sample rod and rapid insertion and removal of sample cards, coupled with the full automation of the special test software, the operation is more humanized, allowing users to quickly and easily conduct electrical transport test, and obtain accurate and reliable data.

In addition, the ET9000 series of transport properties measurement system has a variety of high and low temperature environment options, is a powerful tool for researchers to study the transport properties of materials.

电输运性质（霍尔效应）测量系统

Functions

Measurements of Hall effect, R-H characteristics, R-T characteristics and I-V characteristics (resistivity) can be performed;

Parameters can be derived: square resistance, resistivity, Hall coefficient, Hall mobility, carrier concentration and conductivity type;

The variation of the above parameters with temperature or magnetic field can be plotted, as well as

I-V characteristics - I-V characteristic curves for different magnetic fields and different temperatures;

R-H characteristics - fixed temperature, the characteristic curve of resistance changes with magnetic field;

R-T characteristic - the characteristic curve of resistance change with temperature for fixed magnetic field.

电输运性质（霍尔效应）测量系统

Key Features

Resistivity, Hall coefficient and Hall mobility testing in accordance with ASTM-F76 standards;

Wide resistance measurement range: 100nΩ (low resistance option) ~ 100GΩ (high resistance system);

The use of plug-in sample card, sample installation is convenient, while providing four-probe card, to a certain extent, to eliminate the trouble of making electrodes;

The standard system can measure 2 samples simultaneously at one time, and 4 samples can be measured simultaneously by adding the option;

Measurement and calculation process is automatically executed by the software, a Hall effect data can be obtained in 3 minutes;

Providing a long time high stability of the magnetic field, 24 hours stability < ± 0.5G, and the magnetic field can be smooth over zero;

The solenoid power supply has a built-in Gaussmeter, and the magnetic field can be controlled within 0.1G from 0 to 1kG in only 20S;

Select the temperature option, you can carry out the Hall effect and resistance measurement under different temperatures.

Selection parameters

电输运性质（霍尔效应）测量系统

Note: In the above three selection tables, under the assumptions of sample thickness of 100 nm, magnetic field size of 10,000 gauss, and a correction factor of 1, the accuracy of resistance testing is 2%, and the accuracy of resistivity, Hall coefficient, carrier concentration, and mobility testing is 5%.

Optional Components

Liquid helium-free superconducting magnetic field cryogenic platform: CFMS series produced by UK Cryogenic Company, with magnetic field range of 5T~18T and temperature range of 1.6K~400K.

Temperature options: liquid nitrogen cartridge, liquid nitrogen thermostat, closed-cycle thermostat, high-temperature furnace.

Optical options: polar head pole with optical path, light shielding box.

Other options: rotating mechanism, vacuum pump, circulating water cooling unit.

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发布时间： 2019 - 12 - 01
Liquid Helium Free Physical Property Measurement System

CFMS Series Comprehensive Physical Measurement System: Cryogenic Limited was founded in 1974 in London, UK and has specialized in the development and production of superconducting magnets for over 40 years. The company successfully launched the first commercialized liquid helium-free superconducting magnets in 1992, and has continued to develop liquid helium-free dry superconducting magnet technology for over 30 years. The company is the industry leader in the application of liquid helium-free superconducting technology and has received numerous awards from the European Union and the United Kingdom government. Oriental Chenjing and Cryogenic Limited entered into a partnership in 2000 to provide Chinese researchers with a comprehensive range of physical property measurement systems. After years of cooperation, the two companies have jointly trained an excellent after-sales service team in China, and have set up an after-sales service center in Beijing. We provide a full range of after-sales service to our customers.Cryogenic Limited is the earliest company in the industry to launch a liquid helium-free comprehensive physical property measurement system, and is currently the only company capable of providing a commercialized liquid helium-free comprehensive physical property measurement system with a magnetic field of more than 16 T. The company's comprehensive physical property measurement system is designed to measure the physical properties of the liquid helium in the liquid helium field. Its comprehensive physical properties measurement system is mainly based on the superconducting cryogenic platform (0-18T, 1.6K-400K), combined with magnetic, electrical, thermal, and very low temperature options (Helium III, dilution chiller) and other optional functions of the comprehensive physical properties measurement system. Main Parameters：

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发布时间： 2019 - 05 - 07
Electrical Transport Properties (Hall Effect) Measurement System

ET9000 series electrical transport property measurement system is a fully automated test system integrating Hall effect, magnetoresistance, variable temperature resistance, I-V characteristics and other tests. The system takes into account the integration, shielding anti-interference ability, test circuit and sample resistance range matching and other issues often overlooked by users. Selected Keithley's electrical measurement instruments, magnetic field according to user needs to use electromagnets or liquid helium-free superconducting magnets, equipped with a dexterous measurement sample rod and rapid insertion and removal of sample cards, coupled with the full automation of the special test software, the operation is more humanized, allowing users to quickly and easily conduct electrical transport test, and obtain accurate and reliable data. In addition, the ET9000 series of transport properties measurement system has a variety of high and low temperature environment options, is a powerful tool for researchers to study the transport properties of materials.FunctionsMeasurements of Hall effect, R-H characteristics, R-T characteristics and I-V characteristics (resistivity) can be performed;Parameters can be derived: square resistance, resistivity, Hall coefficient, Hall mobility, carrier concentration and conductivity type;The variation of the above parameters with temperature or magnetic field can be plotted, as well asI-V characteristics - I-V characteristic curves for different magnetic fields and different temperatures;R-H characteristics - fixed temperature, the characteristic curve of resistance changes with magnetic field;R-T characteristic - the characteristic curve of resistance change with temperature for fixed magnetic field.Key FeaturesResistivity, Hall coefficient and Hall mobility testing in accordance with ASTM-F76 standards;Wide resistance measurement range: 100nΩ (low resistance option) ~ 100GΩ (high resistance system);The use of plug-in sample card, sample installation is convenient, while providing four-probe card, to a certain extent, to eliminate the trouble of making electrodes;The standard system can measure 2 samples simultaneously at one time, and 4 samples can be measured simultaneously by adding the option;Measurement and calculation process is automatically executed by the software, a Hall effect data can be obtained in 3 minutes;Providing a long time high stability of the magnetic field, 24 hours stability The solenoid power supply has a built-in Gaussmeter, and the magnetic field can be controlled within 0.1G from 0 to 1kG in only 20S;Select the temperature option, you can carry out the Hall effect and resistance measurement under different temperatures. Selection parametersNote: In the above three selection tables, under the assumptions of sample thickness of 100 nm, magnetic field size of 10,000 gauss, and a correction factor of 1, the accuracy of resistance testing is 2%, and the accuracy of resistivity, Hall coefficient, carrier concentration, and mobility testing is 5%. Optional ComponentsLiquid helium-free superconducting magnetic field cryogenic platform: CFMS series produced by UK Cryogenic Company, with magnetic field range of 5T~18T and temperature range of 1.6K~400K.Temperature options: liquid nitrogen cartridge, liquid nitrogen thermostat, closed-cycle thermostat, high-temperature furnace.Optical options: polar head pole with optical path, light shielding box.Other options: rotating mechanism, vacuum pump, circulating water cooling unit.

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发布时间： 2019 - 04 - 30