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The work we do is focused on the fabrication, imaging, and characterization of nanoscale devices. Please click on the thumbnail below for a photo gallery and detailed description of the specific equipment.

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This 3-Tesla iron core magnet from Walker Scientific allows magnetic characterization of nanomaterials. The magnet power supply is interfaced with LabVIEW via GPIB (IEEE 488.2) and can provide accurate magnetic field scans over wide ranges. The LakeShore Cryotronics resistance bridge allows 1 part per million change in resistance of the device. The following equipment is used at this station:

1. Walker Scientific HV-7H Laboratory Electromagnet

Capable of magnetic fields up to 3 Tesla Variable air gap, from 0.0625" to 7.25" for maximum flexibility

2. Walker Scientific HS-1050-4SS Power Supply

Power supply for HV-7H electromagnet Capable of up to 50 A and 100 V

3. Lakeshore Model 370 AC Resistance Bridge with 3716 16-channel scanner

Designed for precise, accurate, low noise, low excitation power AC resistance measurements Resistance measurement ranges from 2 milliohm to 2 megohm

4. Walker Scientific MG-10D Gaussmeter

Uses Hall effect to measure magnetic fields Resolution of 1 mT (10 mG)

5. Thermo NESLAB HX-300 Recirculating Chiller

Temperature range of +5°C to +35°C

6. Workstation with LabVIEW automation software and GPIB interface card

Interfaces directly with power supply, resistance bridge, and gaussmeter for control and data acquisition

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