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Superconducting Quantum Interference Device (SQUID)
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About Instrument and its applications-
The Quantum Design MPMS3 uses a Superconducting Quantum Interference Device (SQUID) Magnetometer to monitor very small changes in magnetic flux and so discover the magnetic properties of samples. It is extremely sensitive for magnetic measurements and measures the magnetic moment of the sample. From this, the magnetization and magnetic susceptibility can be determined. MPMS3 featured with DC analysis and Vibrating sample magnetometry (VSM). Applications of the SQUID magnetometer include measurements of small quantities of paramagnetic ions, characterization of all kinds of magnetic materials, and quantitative determination of the number of unpaired electrons in samples. The MPMS3 provides solutions for a unique class of sensitive magnetic measurements in key areas such as high-temperature superconductivity, biochemistry, and magnetic recording media. The modular MPMS3 design integrates a SQUID detection system, a precision temperature control unit residing in the bore of a high-field superconducting magnet, and a sophisticated computer operating system. Proprietary software, running within an intuitive MS Windows environment, allows full automation of all system parameters while controlling measurements, making data collection and analysis quick and easy.

General Information-
Make- Quantum Design
Model- MPMS3
Year of Installation- 2021

1) High homogeneity magnet configuration: ± 7.0 Tesla
2) Maximum Sample Size: 9 mm
3) Field Uniformity: 0.01% over 4 cm
4) Temperature Range: 1.8 – 400 K
5) Maximum sensitivity of the instrument is in the range of 10-8 emu.

Sample Requirements-
1) Powder sample: 5 mg to 20 mg
2) Solid sample:
a) 2 mm x 2 mm x 2 mm pellet or thin film form (Perpendicular)
b) 1 mm x 3 mm x 3 mm or 1 mm x 3mm x 4mm pellet or thin film form (Parallel)

Contact Person-
Dr. Vipin Chawla
Technical Officer - III
Tel: +91-1332-284580