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Title: Design and performance of closed cycle sample cooling stage for angle resolved photoemission spectroscopy capable of reaching temperatures below 2 K

Abstract

We have designed, constructed, and tested a unique cold finger suitable for angle resolved photoemission spectroscopy. This design is based on in situ helium reliquification and utilizes pulse tube cryocooler. The pulse tube can be removed for baking without breaking Ultra High Vacuum (UHV). This design also allows the use of non-UHV heater that can be replaced without the need to vent the system. The cold finger has minimal vibration, operates over a temperature range of 1.7 K–400 K, and has no measurable residual magnetization. Finally, in continuous mode, it can maintain a sample temperature of 2.6 K, while in single shot mode (by pumping on liquid helium), it can reach temperatures down to 1.8 K for a period of several hours.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States)
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1562681
Alternate Identifier(s):
OSTI ID: 1562131
Report Number(s):
IS-J-10038
Journal ID: ISSN 0034-6748; TRN: US2000761
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 90; Journal Issue: 9; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Schrunk, Benjamin, Huang, Lunan, Wu, Yun, Mou, Daixang, Lee, Kyung chan, Jo, Na Hyun, and Kaminski, Adam. Design and performance of closed cycle sample cooling stage for angle resolved photoemission spectroscopy capable of reaching temperatures below 2 K. United States: N. p., 2019. Web. doi:10.1063/1.5113722.
Schrunk, Benjamin, Huang, Lunan, Wu, Yun, Mou, Daixang, Lee, Kyung chan, Jo, Na Hyun, & Kaminski, Adam. Design and performance of closed cycle sample cooling stage for angle resolved photoemission spectroscopy capable of reaching temperatures below 2 K. United States. doi:10.1063/1.5113722.
Schrunk, Benjamin, Huang, Lunan, Wu, Yun, Mou, Daixang, Lee, Kyung chan, Jo, Na Hyun, and Kaminski, Adam. Sun . "Design and performance of closed cycle sample cooling stage for angle resolved photoemission spectroscopy capable of reaching temperatures below 2 K". United States. doi:10.1063/1.5113722. https://www.osti.gov/servlets/purl/1562681.
@article{osti_1562681,
title = {Design and performance of closed cycle sample cooling stage for angle resolved photoemission spectroscopy capable of reaching temperatures below 2 K},
author = {Schrunk, Benjamin and Huang, Lunan and Wu, Yun and Mou, Daixang and Lee, Kyung chan and Jo, Na Hyun and Kaminski, Adam},
abstractNote = {We have designed, constructed, and tested a unique cold finger suitable for angle resolved photoemission spectroscopy. This design is based on in situ helium reliquification and utilizes pulse tube cryocooler. The pulse tube can be removed for baking without breaking Ultra High Vacuum (UHV). This design also allows the use of non-UHV heater that can be replaced without the need to vent the system. The cold finger has minimal vibration, operates over a temperature range of 1.7 K–400 K, and has no measurable residual magnetization. Finally, in continuous mode, it can maintain a sample temperature of 2.6 K, while in single shot mode (by pumping on liquid helium), it can reach temperatures down to 1.8 K for a period of several hours.},
doi = {10.1063/1.5113722},
journal = {Review of Scientific Instruments},
number = 9,
volume = 90,
place = {United States},
year = {2019},
month = {9}
}

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