CMT-1000T Dual-Temperature Hall Effect Test System

1. Product Overview

The CMT-1000T Dual-Temperature Hall Effect Test System is a fully integrated platform for advanced semiconductor characterization. It combines high-precision electrical instruments, electromagnets, temperature control systems, and intelligent software to measure key parameters such as carrier concentration, mobility, resistivity, and Hall coefficient.

With automated data acquisition and curve plotting, the system simplifies complex experimental procedures and ensures accuracy, making it an indispensable tool for semiconductor research and material property evaluation.

2. Key Features

• Integrated CMT-320 Effector: constant current source, 6½-digit microvoltmeter, and switching relay for Hall measurements
• Capable of measuring carrier concentration, mobility, resistivity, and Hall coefficient
• Automated calculation of experimental results, including: Bulk and sheet carrier concentration Hall mobility and Hall coefficient Resistivity and magnetoresistance
• Wide testable material range: semiconductors, metals, oxides, graphene, and high-resistance compounds
• I-V and I-R curve measurements under varying magnetic fields and temperatures
• One-key fully automated testing with continuous measurement capabilities
• Stable long-term magnetic field with uniformity control

3. Technical Specifications

• Magnetic field: 2T (10 mm pole gap), 1T (30 mm pole gap)
• Sample current: 0.05 μA – 50 mA, adjustable (0.1 nA resolution)
• Measuring voltage: 0.1 μV – 30 V
• Resistivity range: 1×10⁻⁷ – 1×10¹² Ω·cm
• Resistance range: 10 mΩ – 6 MΩ
• Carrier concentration: 10³ – 10²³ cm⁻³
• Mobility: 0.1 – 1×10⁸ cm²/V·s
• Temperature range: 77 K – 470 K, adjustment resolution 0.1 K
• Minimum resolution: 0.1 GS
• Automated measurement: Hall coefficient and carrier concentration vs. temperature curves
• Curve outputs: I-V, I-R, R-T, and magnetoresistance

4. Testable Samples & Applications

• Semiconductor materials: SiGe, SiC, InAs, InGaAs, InP, AlGaAs, HgCdTe, ferrite materials
• Low-impedance materials: graphene, metals, transparent oxides, weakly magnetic semiconductors, TMR materials
• High-resistance materials: semi-insulating GaAs, GaN, CdTe

5. System Configuration

Main Components

• High-precision electromagnet Pole diameter: 100 mm Max field: 20,000 Gs (10 mm gap), 13,000 Gs (20 mm gap), 10,000 Gs (30 mm gap) Uniform area: 10 mm diameter at 60 mm spacing, ±1% uniformity Weight: 210 kg (with bracket and wheels)
• High-precision bipolar constant current power supply Output: ±10 A / ±80 V, 800 W Four-quadrant operation, suitable for inductive loads Zero-crossing without switching Stability: ±25 ppm/h (standard), ±5 ppm/h (high stability) Resolution: 20-bit (e.g., 0.03 mA at 15 A)
• High-precision gauss meter Accuracy: ±0.30% of reading Range: 0–3 T, resolution: 0.01 mT Probe thickness: 1.0 mm, length: 100 mm RS-232 interface, GP3 probe included Non-magnetic aluminum probe holder, adjustable 5–70 mm
• High and low temperature thermostat Range: 80 K – 470 K TESTIK301 controller (65 K – 600 K) K25 vacuum pump
• Constant current source and test table Current range: ±50 nA – ±50 mA, resolution 0.1 nA Voltage range: 0.1 μV – 30 V, accuracy 0.01% Built-in test matrix conversion card Ohmic contact kit (customizable per material)

6. Software Functions

• Automated calculation of Hall parameters and resistivity
• Real-time plotting of I-V, I-R, R-T, and R-H curves
• Continuous measurement capability at fixed temperature or magnetic field conditions
• Data export functions for further analysis and reporting

7. Why Choose Cryomagtech

• Advanced Integration: Combines electromagnet, power supply, gauss meter, and thermostat in one system
• High Accuracy: 20-bit resolution and ppm-level stability
• Flexibility: Wide temperature range and support for diverse sample types
• Efficiency: Fully automated testing and curve plotting reduce experiment time
• Global Support: Trusted by research institutions and semiconductor laboratories worldwide

8. Contact & Inquiry

For product details, customization requests, or quotations, please contact:

Cryomagtech

🌐 Website: www.cryomagtech.com

📧 Email: edaystore@outlook.com