Quantum Design Inc. Magnetic Property Measurement System (MPMS-3)

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The Quantum Design Inc. Magnetic Property Measurement System (MPMS-3) is a state-of-the-art SQUID (Superconducting Quantum Interference Device) magnetometer designed for highly sensitive magnetic characterization across a broad range of research and industrial applications. Built upon decades of innovation in SQUID magnetometry, the system combines accurate magnetic field control, rapid temperature regulation, and flexible measurement modes within a fully automated platform. Its intuitive MultiVu software simplifies complex experimental sequences by allowing users to program sophisticated temperature and magnetic field profiles with minimal manual intervention. As a cryogen-free instrument equipped with advanced cooling technology, the MPMS-3 delivers reliable long-term operation while reducing maintenance requirements, making it an ideal solution for laboratories requiring high-precision magnetic measurements.

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Key FeaturesTechnical SpecificationsApplications
  • Ultra-high SQUID sensitivity capable of detecting extremely small magnetic signals.
  • Multiple measurement modes, including DC magnetization, Vibrating Sample Magnetometer (VSM), and AC magnetic susceptibility.
  • 7 Tesla superconducting magnet with QuickSwitch™ technology for rapid and efficient magnetic field control.
  • Rapid temperature control with standard measurements from 1.8 K to 400 K, enabling fast transitions between experimental conditions.
  • Cryogen-free EverCool® technology, eliminating routine liquid helium handling while ensuring stable, continuous operation.
ParameterSpecification
Magnetic SensitivityApproximately 1 × 10-8 emu
Standard Temperature Range1.8 K – 400 K
Optional Oven ModeRoom temperature to 1000 K
Maximum Magnetic Field7 Tesla (70,000 Oe)
Magnetic Field Ramp Rate4–700 Oe/s
Field Uniformity0.01% across 4 cm
Measurement ModesDC Magnetization, VSM, AC Susceptibility
AC Frequency Range0.1–1000 Hz
AC Field Amplitude0.1–10 Oe
Vibration Amplitude (VSM)0.5–8 mm
DC Scan Length3–6 cm

The Quantum Design MPMS-3 supports comprehensive magnetic characterization for both fundamental research and advanced materials development. It is widely applied to investigate superconductors, magnetic alloys, permanent magnets, spintronic materials, nanoparticles, thin films, geological specimens, and functional magnetic materials. Typical measurements include:

  • Field-Cooled (FC) and Zero-Field-Cooled (ZFC) Measurements: Evaluate temperature-dependent magnetic behavior and magnetic phase transitions through FC and ZFC magnetization curves.
  • Magnetic Hysteresis Loop Measurements: Characterize coercivity, remanence, saturation magnetization, and other magnetic properties under magnetic fields up to 7 T at variable temperatures.
  • RT-SIRM Measurements: Perform room-temperature saturation isothermal remanent magnetization (RT-SIRM) analysis for remanence characterization.
  • Temperature-Dependent Magnetic Susceptibility: Measure changes in magnetic susceptibility as a function of temperature to investigate magnetic transitions and material behavior.
  • Frequency-Dependent AC Susceptibility: Analyze dynamic magnetic responses by measuring AC magnetic susceptibility across different excitation frequencies.
  • Field-Dependent Susceptibility Measurements: Determine magnetic susceptibility under varying applied magnetic fields for comprehensive magnetic characterization.
  • Magnetic Moment vs. Angle Measurements: Investigate magnetic anisotropy by measuring the magnetic moment at different sample orientations.
  • Magnetic Mineral Identification: Identify magnetic minerals through low-temperature crystallographic transitions, including characteristic transitions such as the Verwey transition in magnetite.
  • Particle Size Distribution Characterization: Assess particle size distributions in samples containing ultrafine-grained or superparamagnetic particles based on their magnetic properties.

The addition of the Quantum Design Inc. Magnetic Property Measurement System (MPMS-3) significantly strengthens laboratory's capability in precision magnetic property characterization. Its combination of SQUID-level sensitivity, wide temperature range, high magnetic field strength, and multiple measurement techniques enables comprehensive analysis of materials exhibiting both strong and extremely weak magnetic responses. It supports customers across industries including advanced materials, electronics, energy storage, superconductivity, nanotechnology, geology, and academic research.

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