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Physical Property Measurement System – Quantum Design PPMS® VersaLab™

Physical Property Measurement System

Quantum Design PPMS® VersaLab

Quantum Design’s PPMS VersaLab is a portable, cryogen-free cryocooler-based material characterization platform. With a temperature range of 50 – 400 K, this 3 tesla platform is perfect for accomplishing many types of materials characterization in a limited space.

As with all Quantum Design instruments, the PPMS VersaLab is a fully automated turnkey system with a user-friendly interface. It is specifically designed for material characterization up to 3 tesla and over a wide temperature range without the need of liquid cryogens or high power infrastructure. This makes the PPMS VersaLab perfect for small laboratories where space is at a premium, as well as educational labs that might not have the full facilities of major laboratories.

Features

  • Compact size and portability requires less lab space
  • No need for liquid cryogens
  • Runs almost all PPMS measurement options
  • No high power requirement for operation
  • A perfect solution for physics education classes and labs

 

Quantum Design Education

PPMS VersaLab and Education

Quantum Design Education is a website dedicated to the use of the PPMS VersaLab for education and research. This site offers free experimental modules highlighting the measurement options available on this platform.

 

Available Measurement Options

PPMS Options Compatibility Table

AC Resistance (ETO)

Quantum Design PPMS Electrical Transport Option

The Electrical Transport Option (ETO) enables AC resistance measurements of samples using a 4-probe lead configuration. For samples with higher resistances, a 2-probe high impedance mode is also available. Signals from two channels can be collected simultaneously.

  • Measure resistances of 10 μΩ – 10 MΩ in a standard 4-probe configuration
  • Resistances of 2 MΩ – 5 GΩ can be measured in the high-impedance 2-probe configuration
  • Automated I-V curve collection can be used to screen for ohmic contacts

AC Resistance ETO Brochure

DC Resistance

Quantum Design PPMS Resistivity Electrical Transport Option Puck

DC resistance on up to three channels using a standard puck can be measured using the DC Resistivity Option.

  • Measure resistances of 10 μΩ – 5 MΩ in a standard 4-probe configuration
  • Source currents between 2 nA – 8 mA
  • Configurable bridge parameters to limit the voltage, current, or power at the sample for protecting sensitive devices, films, etc.

DC Resistance Brochure

van der Pauw – Hall Transport

Quantum Design VersaLab van der Pauw – Hall Transport box

Improved accuracy in both resistivity and Hall coefficient measurements is possible using the van der Pauw technique. This Option utilizes a switching controller to automatically collect data necessary to accurately calculate parameters such as carrier concentration and sheet resistance for a uniformly thick sample of arbitrary shape.

  • Configurable MultiVu sequence commands automatically source current and measure voltage for a series of lead permutations, in either the standard van der Pauw or Hall geometries
  • An integrated IV-Curve utility allows the user to confirm Ohmic nature of contacts as needed during a measurement

van der Pauw – Hall Transport Brochure

Horizontal Rotator

Quantum Design PPMS Horizontal Rotator with Sample Boards

The Horizontal Rotator enables a transport sample to be rotated over a full 360° in the presence of an applied magnetic field. An automated indexing procedure and encoder ensures accurate angular positions and the on-board thermometer monitors the temperature in close proximity to the sample.

  • Rotate a sample between -10° – 370° to change the orientation of the applied magnetic field relative to the installed sample
  • Motor available in Standard Resolution (0.0133°/step) and High Resolution (0.0011°/step) versions

Horizontal Rotator Brochure

Pressure Cell (Transport)

Quantum Design PPMS Transport Pressure Cell Option

The Transport Pressure Cell Option for the PPMS is manufactured by ElectroLab, a leading Japanese supplier of pressure cells. It enables up to two 4-probe measurements (typically for the sample and a manometer) of electrical transport at pressures as high as 2.7 GPa.

  • Includes manometer materials of tin and lead
  • Data can be collected with any PPMS-compatible QD transport option

Pressure Cell (Transport) Brochure

Vibrating Sample Magnetometer (VSM)

Quantum Design PPMS VSM Coil Set and Linear Transport Motor

The VSM enables measurement of a sample's magnetic moment as a function of temperature or magnetic field. Magnetic phase transitions and hysteretic behavior are quickly resolved with typical acquisition times for a single datum around 1 second.

  • Noise levels of less than 6·10-7 emu at 300 K are achieved using a lock-in measurement technique to isolate the sample signal from external mechanical and electronic noise
  • A temperature sensor integrated within the coil set provides local sample thermometry via exchange gas coupling
  • The optional Large Bore Coil Set enables an even wider variety of sample holders with minimal loss of sensitivity

Vibrating Sample Magnetometer (VSM) Brochure

VSM Oven

Quantum Design PPMS VSM Oven Heater Stick on Mounting Station

The VSM Oven allows for conventional VSM measurements in the temperature range of 300 – 1000 K. A special alumina sample holder with an integrated resistive heater and temperature sensor locally heat and sense the sample temperature.

  • User kit comes standard with high temperature Zircar cement and copper radiation shields for sample mounting
  • Noise levels are less than 6·10-6 emu at 300 K

VSM Oven Brochure

AC Susceptibility (ACMS II)

Quantum Design PPMS ACMS II Coil Set

The AC Measurement System (ACMS II) utilizes a mutual induction-based technique to determine a sample's dynamic (AC) susceptibility. The system also enables the user to perform DC magnetization measurements without any changes to the hardware configuration for unparalleled convenience.

  • AC moment sensitivity of 1·10-8 emu is achieved by a multi-point automated nulling procedure to minimize the contribution of background signal
  • AC excitation fields of 0.05 – 15 Oe are available at frequencies from 10 Hz – 10 kHz
  • Automated touch-down procedure preserves sample centering across large changes in temperature
  • Capability to record higher harmonic data is available as an optional upgrade

AC Susceptibility (ACMS II) Brochure

First Order Reversal Curve (FORC) Software for VSM

Quantum Design PPMS First Order Reversal Curve (FORC) Distribution Plot

First Order Reversal Curve (FORC) measurements and their subsequent analysis provide additional insights into the magnetic reversal mechanisms of samples that conventional major hysteresis loops cannot. The families of curves generated can reveal signatures of particular magnetic reversal mechanisms.

  • Compatible with any Quantum Design VSM configuration
  • FORC distributions can be displayed in real-time during a measurement

First Order Reversal Curve (FORC) Software for VSM Brochure

Pressure Cell (Magnetometry)

Quantum Design PPMS High Pressure Cell Main KitQuantum Design PPMS High Pressure Cell

The pressure cell option for magnetometry is manufactured by HMD, a leading Japanese supplier of pressure cells. A simplified design requires neither copper sealing rings or a hydraulic press to achieve the maximum available pressure of 1.3 GPa.

  • Included manometer materials are tin and lead
  • BeCu construction affords a minimal, uniform magnetic background

Pressure Cell (Magnetometry) Brochure

Torque Magnetometry

Quantum Design PPMS Torque Magnetometry Option

The torque magnetometer measures a sample's magnetic moment through the application of a static magnetic field to generate a torque on a small cantilever. The torsion is measured using piezoresistive elements to study the moment as a function of magnetic field strength, temperature, or angular orientation with respect to the field.

  • Noise levels in the measured torque are 1·10-9 N·m (high sensitivity cantilever)
  • Integrated calibration loop on the cantilever chip

Torque Magnetometry Brochure

Heat Capacity

Quantum Design PPMS Heat Capacity Mounting Station

High-precision microcalorimetry experiments can be performed using the Heat Capacity option to measure a sample's heat capacity as a function of temperature. Measurements in a static applied magnetic field are also possible using the automated field calibration function of the software.

  • Typical addenda signal of 0.2 μJ/K at 2 K, where signal resolution is 2 nJ/K
  • Software automates the collection of addenda (background) signal and performs the necessary subtraction for determining the sample's heat capacity
  • Integrated data post-processing tools enable high-resolution sampling of sharp first-order transitions

Heat Capacity Brochure

Thermal Transport Option (TTO)

Quantum Design PPMS Thermal Transport Option on Mounting Station

Thermoelectric materials can be rapidly characterized using the TTO to simultaneously measure a sample's thermal conductivity, Seebeck coefficient, and electrical resistivity. A continuous data acquisition mode allows for higher density curves to be collected in less time to increase throughput for a typically time-consuming measurement.

  • The thermoelectric figure of merit ZT is automatically calculated for fast and convenient data evaluation
  • Included sample mounting supplies allow for a wide variety of materials to be measured

Thermal Transport Option (TTO) Brochure

Multi-Function Probes

Quantum Design PPMS Multi-Function Probes Type A, Type M and CryoFMR with Inplane Board

For advanced users looking to build custom experiments inside the PPMS, QD's MFPs provide an interface with the integrated chamber wiring and also simplify the process of bringing external connections (electrical, optical, etc.) in from the top of the probe. A number of variants are available:

  • Types A, B, and M provide different socket configurations for electrical access
  • Type C only includes the probe with baffles and no electrical interface
  • CryoFMR Variant works with the NanOsc CryoFMR Spectrometer

Multi-Function Probes Brochure

Optical Multi-Function Probe (OMFP)

Quantum Design PPMS Optical Multi-Function Probe (OMFP)

Optical access to the sample chamber of the PPMS is readily attained using the OMFP. An integrated camera imaging system and pizeo-positioner capsule make identifying and navigating to a region of interest on the sample straightforward.

  • Camera can resolve features less than 5 μm in size
  • Positioning capsule allows for movement in the x, y, and z axes with a full range of 3 mm in each direction
  • Two four-probe channels available for correlating optical data with electrical transport measurements

Optical Multi-Function Probe (OMFP) Brochure

Raman Spectroscopy System

Quantum Design PPMS Raman and Luminescence Spectroscopy System

Raman spectra from samples in the variable temperature and magnetic field environment of the PPMS are readily captured using MultiVu. Integrated optics reduce elastic scattering signal to resolve signal in the low-wavenumber regime with the included imaging spectrograph.

  • 532 nm laser excitation wavelength
  • Used in conjunction with the OMFP for sample position control

Raman Spectroscopy System Brochure

NanOsc FMR Spectrometers

Quantum Design, Inc. - Products - NanOsc FMR Spectrometers

Broadband FMR spectroscopy allows for measurements continuously spanning several 10's of GHz. Measurements over a wide frequency range allow for significant improvements in accurately extracting a variety of material parameters not accessible by static measurement techniques.

  • Turn-key FMR spectrometer with easy to use software interface
  • Calculates the effective magnetization (Meff), anisotropy (K), gyromagnetic ratio (γ), damping (α), and inhomogeneous broadening (ΔHO)
  • Enables the user to extract the exchange stiffness (A) and inverse spin Hall effect ISHE

NanOsc FMR Spectrometers Brochure

More information »

Optical Multi-Function Probe (OMFP)

Quantum Design PPMS Optical Multi-Function Probe (OMFP)

Optical access to the sample chamber of the PPMS is readily attained using the OMFP. An integrated camera imaging system and pizeo-positioner capsule make identifying and navigating to a region of interest on the sample straightforward.

  • Camera can resolve features less than 5 μm in size
  • Positioning capsule allows for movement in the x, y, and z axes with a full range of 3 mm in each direction
  • Two four-probe channels available for correlating optical data with electrical transport measurements

Optical Multi-Function Probe (OMFP) Brochure

Light Sources

TLS120Xe High Power Tuneable Light Source

For experiments requiring illumination inside the PPMS sample space, two broadband xenon light sources are available:

  • The TLX120Xe utilizes a 100 W source and integrates a motorized monochromator such that the light wavelength can be selected using a sequence command in MultiVu
  • The MLS 300 W source includes a manual selection filter wheel for passing pre-determined wavelengths of light

Light Sources Brochure

Optix Breadboard

VersaLab Optix breadboard

When custom user experiments require the integration of table-top optical elements a breadboard option can be added to the PPMS base cryostat.

  • 1-inch grid of 1/4"– 20 mounting holes
  • Integrated vibration dampening mechanism

Optix Brochure

Videos

The Ease of Switching PPMS Measurement Options

VSM Webinar

Resources