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PPMS (Miernik własności fizycznych)

PPMS® z Quantum Design jest unikatowym systemem pomiarowym, który pozwala użytkownikowi na wykonywanie różnorodnych zautomatyzowanych pomiarów. Szeroki zakres temperatury od (0,4 K) 1,9 – 400 K i pola magnetycznego do +/- 16 Tesla sprawia, że PPMS® jest najbardziej wszechstronnym systemem w swoim rodzaju.

Features:

Sealed sample chamber with 26 mm diameter sample access

Novel sample mounts couple easily to the 12 electrical leads built into the cryostat insert

The Model 6000 is a self contained microprocessor-controlled device, eliminating the need to use or purchase external bridges, current or voltage sources or lock-in amplifiers.

Continuous Low-Temperature Control - maintains temperature below 4.2 K for indefinite periods of time and offers smooth temperature transitions when warming and cooling through the 4.2 K

Temperature sweep mode

MulitVu control software

Magnet Options:

7, 9, 14 and new 16 Tesla magnet

Split-coil 7 Tesla transverse magnet

Measurement applications:

Heat Capacity

Heat Capacity Measurement System

- Completely automated relaxation technique from 1.9-400 K

- Integrated data acquisition electronics and analysis software

Helium-3 Refrigerator

- Continuous operation down to 0.5 K (0.4 K in one-shot mode for approx. 0.5 h)

- Designed for heat capacity and resistivity measurements

Magnetometry

Vibrating Sample Magnetometer (VSM)

- RMS Sensitivity: < 10-6 emu with 1 sec averaging

- Optional 1000 K oven

AC Susceptibility & DC Magnetization Option (ACMS)

- Digital signal processing for increased sensitivity: 10-8 emu (AC); 2.5 x 10-5 emu (DC)

- Direct phase nulling technique measures and cancels background AC phase shifts at every measurement

Torque Magnetometry

- Magnetic moment measurements via the magnetic torque = m x B

- Designed to measure moments of very small anisotropic samples

Ultra Low Field (ULF)

- Reduces residual field to < 0.05 G

Electro-transport

DC Resistivity

- Four independent channels for performing dc resistivity

AC Transport

- For performing Hall Effect AC Resistivity, I-V Curve Tracing, and Critical Current measurements

- 1 nV sensitivity, nW resolution at 2 A

- Drive amplitude 10 µA to 2 A – Important information (PDF, 214 KB)

Horizontal & Vertical Sample Rotators

- Thermometer located on rotator platform

- Precision, stepper controlled rotator

Multi-Function Probe

- Direct axial ports to the sample stage are provided to install light pipes, fiber optic cables, microwave guides and/or extra electrical leads.

Thermal Transport

AC Resistivity ρ

- Measured by using precision DSP current source and phase-sensitive voltage detection.

Thermal Conductivity κ

- Measured by applying heat from the heater shoe in order to create a user-specified temperature differential between the two thermometer shoes.

Seebeck Coefficient α

- Measured by creating a specified temperature drop between the two thermometer shoes – just as it does to measure thermal conductivity. However, for Seebeck coefficient the voltage drop created between the thermometer shoes is also monitored.

Thermoelectric Figure of Merit ZT

- Determined here simply as the algebraic combination α2T /(κρ) of the three measured quantities – thermal conductivity, Seebeck coefficient, and AC electrical resistivity.

PDF Download

Physical Property Measurement System (PDF, 695 KB)

Heat Capacity & He-3 (PDF, 181 KB)

Magnetometry (PDF, 304 KB)

AC Susceptibility (PDF, 298 KB)

Electro-Transport (PDF, 301 KB)

Thermal Transport (PDF, 392 KB)

PPMS Evercool™ Dewar (PDF, 77 KB)

PPMS®-16 Tesla (PDF, 138 KB)

High Pressure Cells (PDF, 222 KB)

Pages in this Chapter

PPMS (Miernik własności fizycznych)

16 Tesla PPMS

Vibrating Sample Magnetometer

Model P850

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Your contact:

Henryk Dluzewski
Your contact in Poland
Phone: +48 322445714
Fax: +48 322445714
dluzewski@lot-oriel.com

Dr. Marc Kunzmann
Phone: +49 6151 880646
Fax: +49 6151 896667
kunzmann@lot-oriel.de

Linki:


Quantum Design:
→	www.qd-international.com

Nowości:


→	Spectrum European Edition 11 (June 10) is online!
→	Anasys Instruments: Nanoscale IR spectroscopy and thermal analysis
→	SPM insert for the QD PPMS®


	LOT-Oriel Polska E-mail: kowalczyk@lot-oriel.pl				Szyb Walenty 32 41-700 RUDA SLASKA, POLEN				Phone/Fax: 48 322482048		emotiv design