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Materials Characterization Laboratory
The Materials Characterization Laboratory (MAC Lab) is a multiuser research facility allowing access to a variety of sophisticated instruments to allow the characterization of materials. The facility is well equipped to carry out magnetic property measurements (SQUID, EPR), thermal analysis (DSC & TGA), and atomic force microscopy. These instruments can be used by internal or external researchers after sufficient training or via sample submission (contact Dr. Winfred).
| Phone | Location | Hours | Facility Director |
| (850) 644-3468 | 1008, 1011, 116 CSL | 8:00-5:00 M-F | Dr. J.S. Raaj Vellore Winfred |
Laboratory Instruments
Quantum Design MPMS3 Squid Magnetometer
Magnetometer using superconducting magnetic loops containing Josephson junctions to measure very low magnetic fields. It’s equipped with an Evercool liquid helium compressor. (SQUID = superconducting quantum interference device; MPMS = magnetic properties measuring system)
Specifications:
- Model: MPMS 3
- Magnetic field range: H = −7 to 7 T
- Temperature Range: 1.8-400 K; 30 K/min (300 K to 10 K), 10 K/min (10 K to 1.8 K)
- SQUID Modes: DC and Vibrating Sample Magnetometer (VSM)
- Accessories: Fiber Optic Sample Holder (FOSH)
Rate:
Internal: $12/day
External (academic): $35/day
External (commercial): $70/day
Location:
CSL 1008
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A Instruments SDT: Simultaneous DSC & TGA
Description:
The SDT is capable of collecting both differential scanning calorimetry (DSC) and Thermogravimetric analysis (TGA) data at the same time by measuring the heat flow and weight changes associated with phase transitions and reactions in samples in the temperature range from room temperature to 1500°C. The SDT uses 90 µl alumina sample cups (supplied by the user) to hold samples and for the reference beam.
Specifications:
- Model: Q600
- Temperature range: ambient to 1500°C
- Maximum heating rate: 100°C/min to 1000°C; 25°C/min to 1500°C
Rate:
Internal: $13/hour
External (academic): $38/hour
External (commercial): $76/hour
Location:
CSL 116
Micromeritics ASAP 2020 Plus Surface Area and Porosity Analyzer
The High-performance physical sorption analyzer, is used for determining specific surface area, pore size, and pore volume of powders and porous materials. The instrument is ideally suited for gas adsorption analysis of microporous and mesoporous materials. Two independent vacuum systems permit simultaneous preparation of two samples while analyzing another.
Specifications:
- Analysis Gas: Nitrogen
- Surface Area Range: 0.01 m²/g and up
- Pore Diameter: 17 – 5000 Å
Rate: Internal: $25/day
External (academic): $73/day
External (commercial): $146/day
Location:
CSL 116
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TA Instruments TGA 550
The thermogravimetric analysis (TGA) is a thermal weight-change analysis instrument using a platinum pan to hold the sample suspended in a furnace. A liquid heat exchanger dissipates heat from the furnace. The attached quadrupole mass spectrometer can be used for evolved gas analysis.
Specifications:
- Temperature Range: Ambient to 1000 °C
- Temperature Accuracy: ±1 °C
- Temperature Precision: ±0.1 °C
- Heating Rate (Linear): 0.1 to 100 °C/min
- Sample Weight Capacity: 1000 mg
- Weighing Precision: ±0.01 %
- Resolution: 0.1 µg
- MS Mass Range: 1 – 300 amu
Rate:
Internal: $9/hour
External (academic): $27/hour
External (commercial): $54/hour
Location:
CSL 116
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