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Physical Properties Measurement System (PPMS)

A Physical Properties Measurement system (PPMS) is a flexible, open architecture instrument containing a number of physical property measurement techniques in one integrated casing, capable of simulating variable temperature/variable pressure/variable magnetic and electric field environments.

cogsHow does it work?

Typically, the PPMS is able to conduct a variety of measurements, by containing a number of different experimental technologies. A typical PPMS is able to conduct simultanoues thermal, magnetometry and electro-transport measurements by containing a temperature controllable refrigerator, magnetometer, AC transport and resistivity, multi-function probe, and a number of optical and surface microscopes, for example confocal, scanning probe, atomic force and scanning hall probe microscopes.


Applications:

Automated simultaneous measurement of variety of functional properties, for example resistivity as a function of temperature (from 4.3K to 400K) or magnetic field strength, or specific heat capacity, or magnetic properties.

Sample handling requirements:

Sample must be interested into sample insert which contains pre-wired electronics in order to measure functional properties. Typically a number of sample holders are available (see example pictures), dependent on the measurement to be conducted. Samples less than 2mm x 2mm or 500mg mass are normally required.

Complementary techniques:

Differential Scanning Calorimeter, Confocal Microscopy, Atomic Force Microscopy.

Warwick Capability:

Quantum Design Inc. PPM.

Contact:

Dr Ian Hancox, 024 76 150380 email i dot hancox at warwick dot ac dot uk

Physical Properties Measurement System equipment

Typical results format, and sample:


PPMS Magnetic Field properties output spectrum

PPMS Electro Transport Holder

PPMS Magnetometry Measurement Holder

Status
Availability
green_tick.gif Warwick collect/analyse data
green_tick.gif Warwick collect data
 green_tick.gif Available to user with expertise/ contribution
 green_tick.gif Spare capacity for collaborative research
 

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