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

被引：12

作者：

Podlesnyak, A. ^{[1
]}

Loguillo, M. ^{[1
]}

Rucker, G. M. ^{[1
]}

Haberl, B. ^{[1
]}

Boehler, R. ^{[1
]}

Ehlers, G. ^{[2
]}

Daemen, L. L. ^{[1
]}

Armitage, D. ^{[1
]}

Frontzek, M. D. ^{[1
]}

Lumsden, M. ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Neutron Scattering Div, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Neutron Technol Div, Oak Ridge, TN 37831 USA

来源：

HIGH PRESSURE RESEARCH | 2018年 / 38卷 / 04期

关键词：

neutron scattering; pressure measurements; clamp cell; fluorescence; OPTICAL SENSOR; RUBY; CALIBRATION; DIFFRACTION; DEPENDENCE; TRANSITION; GAUGE; STATE; LINE;

D O I：

10.1080/08957959.2018.1519560

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A clamp pressure cell for neutron scattering experiments at low temperatures and in external magnetic fields under pressure up to 2GPa 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. A new calibration curve of the pressure-induced shift of the D-7(0) - F-5(0) (0-0) line in the fluorescent spectrum of SrB4O7:Sm2+ for moderate pressures, P <= 2 GPa, is given.

引用

页码：482 / 492

页数：11

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