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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 MPMS 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: MPMSXL-7
- Temperature Range: 1.9-400 K; 0.001 – 10 K/min sweeps
- Superconducting magnet strength: 7 Tesla
Rate:
Internal: $30/day
External: $230/day
Liquid Helium Rate:
Internal: $140/day
External: $700/day
Location:
CSL 1008
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Asylum Research AFM
Atomic force microscope (AFM) using a dual view base for both opaque and transparent samples, PEEK cantilever holder, (TLP)-SA Base-3D-Dual View, piezo actuators to move the sample in X & Y (100 µm with flexure amplification), to move the cantilever in Z (16 µm) and to oscillate the cantilever for AC mode, Bioheater and Polymer Heater.
Specifications:
- Model MFP-3D
- AC Mode (tapping) 50-300 kHz
- Contact Mode
- Resolution depends on the mode and cantilever tip used/li>
Rate:
Internal Users: $5/hr
External Users: $25/hr
Location:
CSL 1008B
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TA Instruments SDT: Simultaneous DSC & TGA
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: $6/hr
External: $30/hr
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: $30/day
External: $100/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: $12/hr
External: $30/hr
Location:
CSL 116
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