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Title: Clamp cell with in situ pressure monitoring for low-temperature neutron scattering measurements

Journal Article · · High Pressure Research

In this study, a clamp pressure cell for neutron scattering experiments at low temperatures and in external magnetic fields under pressure up to 2 GPa has been fabricated and tested. The cell provides optical access to the sample space that allows instantaneous pressure determination during sample loading, cooling and measuring using ruby and/or samarium doped strontium tetraborate fluorescence monitoring. Additionally, a new calibration curve of the pressure-induced shift of the 7D0-5F0 (0-0) line in the fluorescent spectrum of SrB4O7:Sm2+ for moderate pressures, P≤2 GPa, is given.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1474603
Journal Information:
High Pressure Research, Journal Name: High Pressure Research Journal Issue: 4 Vol. 38; ISSN 0895-7959
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English

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