PHYS TECH GmbH RH2035霍尔效应测试仪器
| 1. | 设备名称９/strong> | 霍尔效应测试?/strong> |
| 2. | 功能描述９/strong> | 测量半导体薄膜中载流子类型、载流子浓度、迁移率、电阻率、霍尔系数等参数 |
| 3. | 技术参数： | |
| 3-1 | 测试范围９/strong> | Si SiGe SiC GaAs InGaAs InP GaN (N Type & P Type)等材质的半导体薄膜中载流子类型、载流子浓度、迁移率、电阻率、霍尔系数等参数 |
| 3-2 | 磁场９/strong> | |
| 3-2-1 | 磁场强度９/strong> | 1T 电磁佒/strong> |
| 3-2-2 | 磁场类型９/strong> | 电磁佒/strong> |
| 3-2-3 | 磁场均匀性： | 磁场不均匀性＜1 % 10年内磁场变化?#177;0.2% |
| 3-3 | 度： | |
| 3-3-1 | 温度区域９/strong> | 77K(液氮温度)或室?/strong> |
| 3-4 | 电阻率范围： | 1 ? Ohm*cm ~10 M Ohm*cm |
| 3-5 | 电阻范围９/strong> | 0.1 m Ohms ~10 G Ohms |
| 3-6 | 载流子浓度： | 107~1021cm-3 |
| 3-7 | 迁移率： | 10-2~107cm2/volt*sec |
| 3-8 | 输入电流９/strong> | |
| 3-8-1 | 电流范围９/strong> | 1000 pA~10mA |
| 3-8-2 | 电流解析度： | 25 pA (lowest range) |
| 3-8-3 | 电流精度９/strong> | 2% |
| 3-9 | 输入电压９/strong> | |
| 3-9-1 | 电压范围９/strong> | 10V |
| 3-9-2 | 电压分辨率： | 1V |
| 4. | 仪器特点９/strong> | |
| 4-1 | Automatic contact check 自动接触检?欧姆接触) |
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| 4-2 | Routine and enhanced software 常规和增强软仵/strong> |
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| 4-3 | Differential resistivity measurements by I/V-curves I/V曲线测试电阻率差弁/strong> |
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| 4-4 | Misalignment voltage compensation 失调电压补偿 |
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| 4-5 | Correction of slow sample drift voltage especially for ZnO＋/p> 修正慢样品漂移电压，特别是氧化锌 |
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| 4-6 | Automatic field calibration 自动现场标定 |
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| 4-7 | Large concentration and resistivity range 大浓度和电阻率范図/strong> |
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| 4-8 | Flexible modular hardware 灵活的模块化硬件 |
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| 4-9 | Support of various magnets for example BioRad HL 5200 支持多样磁场 |
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| 4-10 | Support of various temperature controllers 支持各种温度控制?支持客户自行升级变温系统) |
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| 5 | 硬件 | |
| 5-1 | The standard system consists of a bench top electronic system a small magnet and a sample stage for room temperature and LN2 measurements. 标准系统包含电子测试系统、磁场和两个温度区域的测试平台（室温和液氮温度） |
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| 5-2 | The electronics include the current source the voltage measurement part the contact switching module and the IEEE or RS232 interface. It is completely micro processor controlled. 电子测试系统包括由单片机控制的电流源、电压测试、接触开关模块、IEEE或RS232接口 |
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| 5-3 | The contact switching module is designed to allow all possible measurement configurations. 接触开关模块支持所有用户用于其他的配置(用户可以采用制冷机做变温霍尔测试) |
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| 5-4 | The current source has adjustable limits for voltage and/or power. {+++} 电流源具有可调电压和/或电源的限制 |
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| 5-5 | Voltage measurement provides different input amplifiers optimized for either low current or low voltage applications. 电压测量提供了不同的输入放大器或低电流或低电压应用的优化、/strong> |
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