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Title: New experimental perspectives for soft x-ray absorption spectroscopies at ultra-low temperatures below 50 mK and in high magnetic fields up to 7 T

Abstract

A new ultra-low temperature experiment including a superconducting vector magnet has been developed for soft x-ray absorption spectroscopy experiments at third generation synchrotron light sources. The sample is cooled below 50 mK by a cryogen free {sup 3}He-{sup 4}He dilution refrigerator. At the same time, magnetic fields of up to ±7 T in the horizontal direction and ±0.5 T in the vertical direction can be applied by a superconducting vector magnet. The setup allows to study ex situ and in situ prepared samples, offered by an attached UHV preparation chamber with load lock. The transfer of the prepared samples between the preparation section and the dilution refrigerator is carried out under cryogenic temperatures. First commissioning studies have been carried out at the Variable Polarization XUV Beamline P04 at PETRA III and the influence of the incident photon beam to the sample temperature has been studied.

Authors:
; ; ; ; ;  [1];  [2]
  1. Physik-Department E20, Technische Universität München, James-Franck-Straße 1, 85748 Garching (Germany)
  2. Walther-Meißner-Institute, Walther-Meißner-Straße 8, 85748 Garching (Germany)
Publication Date:
OSTI Identifier:
22597146
Resource Type:
Journal Article
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 4; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0034-6748
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION; ABSORPTION SPECTROSCOPY; CRYOGENIC FLUIDS; DILUTION; EXTREME ULTRAVIOLET RADIATION; HELIUM 3; HELIUM 4; LIGHT SOURCES; MAGNETIC FIELDS; MAGNETS; PHOTON BEAMS; POLARIZATION; REFRIGERATORS; SOFT X RADIATION; SYNCHROTRONS; TEMPERATURE RANGE 0065-0273 K; VECTORS; X-RAY SPECTROSCOPY

Citation Formats

Beeck, T., E-mail: torben.beeck@desy.de, Baev, I., Gieschen, S., Meyer, H., Meyer, S., Palutke, S., Martins, M., E-mail: michael.martins@desy.de, Feulner, P., Uhlig, K., Wurth, W., E-mail: wilfried.wurth@desy.de, and DESY Photon Science, Notkestraße 85, 22607 Hamburg. New experimental perspectives for soft x-ray absorption spectroscopies at ultra-low temperatures below 50 mK and in high magnetic fields up to 7 T. United States: N. p., 2016. Web. doi:10.1063/1.4947516.
Beeck, T., E-mail: torben.beeck@desy.de, Baev, I., Gieschen, S., Meyer, H., Meyer, S., Palutke, S., Martins, M., E-mail: michael.martins@desy.de, Feulner, P., Uhlig, K., Wurth, W., E-mail: wilfried.wurth@desy.de, & DESY Photon Science, Notkestraße 85, 22607 Hamburg. New experimental perspectives for soft x-ray absorption spectroscopies at ultra-low temperatures below 50 mK and in high magnetic fields up to 7 T. United States. https://doi.org/10.1063/1.4947516
Beeck, T., E-mail: torben.beeck@desy.de, Baev, I., Gieschen, S., Meyer, H., Meyer, S., Palutke, S., Martins, M., E-mail: michael.martins@desy.de, Feulner, P., Uhlig, K., Wurth, W., E-mail: wilfried.wurth@desy.de, and DESY Photon Science, Notkestraße 85, 22607 Hamburg. Fri . "New experimental perspectives for soft x-ray absorption spectroscopies at ultra-low temperatures below 50 mK and in high magnetic fields up to 7 T". United States. https://doi.org/10.1063/1.4947516.
@article{osti_22597146,
title = {New experimental perspectives for soft x-ray absorption spectroscopies at ultra-low temperatures below 50 mK and in high magnetic fields up to 7 T},
author = {Beeck, T., E-mail: torben.beeck@desy.de and Baev, I. and Gieschen, S. and Meyer, H. and Meyer, S. and Palutke, S. and Martins, M., E-mail: michael.martins@desy.de and Feulner, P. and Uhlig, K. and Wurth, W., E-mail: wilfried.wurth@desy.de and DESY Photon Science, Notkestraße 85, 22607 Hamburg},
abstractNote = {A new ultra-low temperature experiment including a superconducting vector magnet has been developed for soft x-ray absorption spectroscopy experiments at third generation synchrotron light sources. The sample is cooled below 50 mK by a cryogen free {sup 3}He-{sup 4}He dilution refrigerator. At the same time, magnetic fields of up to ±7 T in the horizontal direction and ±0.5 T in the vertical direction can be applied by a superconducting vector magnet. The setup allows to study ex situ and in situ prepared samples, offered by an attached UHV preparation chamber with load lock. The transfer of the prepared samples between the preparation section and the dilution refrigerator is carried out under cryogenic temperatures. First commissioning studies have been carried out at the Variable Polarization XUV Beamline P04 at PETRA III and the influence of the incident photon beam to the sample temperature has been studied.},
doi = {10.1063/1.4947516},
url = {https://www.osti.gov/biblio/22597146}, journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 4,
volume = 87,
place = {United States},
year = {2016},
month = {4}
}