General Properties Suitable for Hall Effect studies AHE (Anomalous Hall Effect) property, Sample holder PCBs suitable for working temperatures ranging from 300K to 4K, Hall bar, Vander Pauw sample geometries. Sample sizes of 10 mm × 10 mm, (Bigger sizes are optional) 4 or 6 contacts to the sample Wide measurement capability, Hall voltage measurement, IV Curve Measurement, Resistance measurement, Magnetoresistance measurement, Anomalous Hall Effect measurement, Carrier Concentration measurement, Hall Mobility measurement, Magneto transport measurement, Four-point resistance measurement, Semiconductor amplification systems (CVD, MBE, MOCVD) grown semiconductors impurity level measurements, Workable Material Waulth: Semiconductor materials such as pure and doped Si, Ge Compound semiconductor materials like SiGe, SiC, GaAs, AlGaAs, InAs, InGaAs, InP, AlGaAs, and CdTe HgCdTe (including thin films for solar cell/photovoltaics) Organic semiconductors and nano-materials Low resistance materials including metals, transparent oxides, highly doped semiconductor materials, high temperature superconductors, dilute magnetic semiconductors, GMR/TMR materials, and graphene-based materials Semi-insulating GaAs and GaN, and CdT GaAs-based materials (FETs MESFETs HEMTs pHEMTs HBTs), InP, InAs, GaN and AIN-based materials, a-Si, Si, Ge, SiC, Si, insulating materials, HgCdTd, ZnO, SiGe-based materials, MnGaAs, ZnO, infrared applications (LEDs, laser diodes, detectors), Metal oxides, Organic, inorganic conductors, OLED structures, High-temperature superconductors. Measureables Carrier mobility (µ) and concentration (n) Hall voltage Hall coefficient Conductivity type (n or p) Resistivity Magneto-resistance Resistance vs. Temperature I-V curves etc. Electromagnet: ± 2.5 T @ 8mm gap with 25mm pole face, ± 2.0 T @ 15mm gap with 50mm pole face, ± 1.5 T @ 20mm gap with 50mm pole face, ± 1.0 T @ 30mm gap with 50mm pole face, Other fields are available at different airgap and pole face. Field uniformity is 0.1% with 25mm pole face; 0.18% with 50mm pole face over 1cm3 volume Temperature & water flow interlock for the system safety, Closed-loop water cooling, Magnet Power Supply Bipolar Power Supply Standard Measurement Packages Mid Range: 100mΩ to 1MΩ Low to Mid-High Range: 1µâ„¦ to 100 MΩ Extended Measurement Packages Low to High Range: 1µâ„¦ to 100 GΩ Low to Super High Range: 100mΩ to 10TΩ Low Temperature Options Closed cycle cryostat, 1W cooling power at 4.2K Closed cycle cryostat, 0.2W cooling power at 4.2K Closed cycle cryostat, 0.13W cooling power at 4.2K 80K-500K measurement option with liquid nitrogen 80K-750K measurement option with liquid nitrogen High Temperature Options 300K-1273K oven option 300K-750K oven option Attachment/Upgrade Options Vibrating Sample Magnetometer (VSM) attachment AC Hall Effect option

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