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HE-3-SSUHV-SPM/ESR Cryostat for Scanning Probe Microscopy and Electron Spin Resonance - Standard Sample Loading, Sample in UHV

Overview

Click on button below to enlarge view of HE-3-SSUHV-SPM/ESR cryostat for scanning probe microscopy and electron spin resonance, Janis Research, ultra low temperature systems

The model HE-3-SSUHV-SPM/ESR cryostat is designed for versatile applications (such as Scanning Probe Microscopy and Electron Spin Resonance) with sample in UHV environment.

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Standard Configuration

The model HE-3-SSUHV-SPM/ESR cryostat is designed for versatile applications with sample in UHV environment.

Click button below to enlarge view of HE-3-SSUHV-SPM/ESR mechanical drawing, Janis ResearchEnlarge

HE-3-SSUHV-SPM/ESR Cryostat for Scanning Probe Microscopy and Electron Spin Resonance Mechanical Drawing

The system contains two identical He-3 inserts which provide very large cooling power for various types of experiments. A "universal" sample mount made of gold plated OFHC copper is thermally connected to the two He-3 pots. This is used for cooling Scanning Probe Microscope heads, Electron Spin Resonance devices and a variety of other experiments.

A high field superconducting magnet as well as an ESR modulation coil are supplied with the system. The ESR modulation coil can reach a field of 1350 gauss, with a 27 gauss per ampere resolution.

A clear shot access, with a 4.2 K thermal anchor stage, is incorporated into the system so that the cryostat can be turned into a top-loading system with minor modifications. 

This He-3 cryostat includes the following main components:

  • Thermometer and heater on the sample mount
  • Charcoal sorption pumps with heaters and thermometers
  • 1 K pot with thermometers
  • 1 K cold plate for wiring thermal anchor
  • He-3 pot with heaters and thermometers
  • UHV as well as standard vacuum cans
  • Gas handling system
  • Operation test

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Specifications

Performance Specification:

Base Temperature: 340 mK
Holding Time at Base Temperature: 24 hours
Sample Space: up to 10 cm
Temperature Range: 0.30 K - 80 K
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