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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
The magnetometer employs SQUID (Superconducting Quantum Interference Device) to study magnetic properties of materials with wide ranging applications from Physics to Biology. MPMS can resolve magnetic moment changes as small as 10 -8 emu over a wide range of temperatures and applied magnetic fields. All these capabilities are fully automated for precise control and user friendly operation.
Specifications:
- Model: MPMS 3
- Maximum DC Moment: 10 emu
- Magnetic Field Range: H = −7 to 7 T
- Field Uniformity: 0.01% over 4 cm
- Temperature Range: 1.8-400 K
- Cooling Rate: 30 K/min (300 K to 10 K), 10 K/min (10 K to 1.8 K)
- Temperature Stability: ±0.5%
- SQUID Modes: DC ,Vibrating Sample Magnetometer (VSM) and AC Susceptibility
- Accessories: Magneto-Optic measurement option to study photo-induced magnetization
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 across a wide temperature range. . DSC heat flow data is dynamically normalized using the instantaneous sample weight at any given temperature.
Specifications:
- Model: Q600
- Temperature range: ambient to 1500°C
- Maximum heating rate: 100°C/min to 1000°C; 25°C/min to 1500°C
- Purge gas: Argon, Air and Nitrogen
Rate:
Internal: $13/hour
External (academic): $38/hour
External (commercial): $76/hour
Location:
CSL 1008
TA Instruments DSC 250
The Differential Scanning Calorimeter (DSC) measures temperatures and heat flows associated with various thermal transitions in materials. Properties measured by DSC 250 include glass transitions, “cold” crystallization, phase changes, melting, crystallization, product stability, cure / cure kinetics, and oxidative stability. The instrument can also perform Modulated DSC (MDSC®) for improved sensitivity and resolution. The two cooling accessories (RCS 90 and LN2) can be used to provide a wide temperature range for the measurements.
Specifications:
- Temperature Range: -180 °C to 550 °C
- Temperature Accuracy: ±0.05 °C
- Temperature Precision: ±0.008 °C
- Heating Rate (Linear): 2 °C/min to 100 °C/min
- Baseline Flatness (-50 °C to 300 °C ): < 10 µW
- Baseline Repeatability (-50 °C to 300 °C ): < 20 µW
Rate:
Internal: $5/hour ($7.50/hour with LN2 accessory)
External (academic): $15/hour ($22.50/hour with LN2 accessory)
External (commercial): $30/hour ($45/hour with LN2 accessory)
Location:
CSL 116
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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 1008
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TA Instruments TGA 550
The thermogravimetric analysis (TGA) is a thermal weight-change analysis instrument. The instrument is capable of Hi-Res TGA where the heating rate is controlled by the decomposition rate of the sample. Thermal decomposition of solid, liquid and powder samples can be studied using this instrument. 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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